--- title: "Last Week in AI #241 - Opus 4.7, Muse Spark, GPT-5.4-Cyber, HY-World 2.0" source_name: "Last Week in AI" original_url: "https://www.youtube.com/watch?v=cLkSuTJ-_S4" canonical_url: "https://www.traeai.com/articles/5d5460f3-94c7-4e77-8abe-0eb3db970650" content_type: "video" language: "中文" score: 5 tags: [] published_at: "2026-04-23T07:35:34+00:00" created_at: "2026-04-24T23:09:47.643646+00:00" --- # Last Week in AI #241 - Opus 4.7, Muse Spark, GPT-5.4-Cyber, HY-World 2.0 Canonical URL: https://www.traeai.com/articles/5d5460f3-94c7-4e77-8abe-0eb3db970650 Original source: https://www.youtube.com/watch?v=cLkSuTJ-_S4 ## Summary traeai 为开发者、研究员和内容团队筛选高质量 AI 技术内容，提供摘要、评分、趋势雷达与一键内容产出。 ## Key Takeaways - - - ## Content Title: Last Week in AI #241 - Opus 4.7, Muse Spark, GPT-5.4-Cyber, HY-World 2.0 URL Source: http://www.youtube.com/watch?v=cLkSuTJ-_S4 Markdown Content: # Last Week in AI #241 - Opus 4.7, Muse Spark, GPT-5.4-Cyber, HY-World 2.0 - YouTube Back [![Image 1: Meet the line dancing community](https://www.gstatic.com/youtube/img/promos/462a7de0c39c428280f60a340dfcf2cf243600396c1f2a6cb8087b91f29140f4_122x56.webp)](http://www.youtube.com/ "Meet the line dancing community") Skip navigation Search Search with your voice [](http://www.youtube.com/watch?v=cLkSuTJ-_S4) [Sign in](https://accounts.google.com/ServiceLogin?service=youtube&uilel=3&passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Faction_handle_signin%3Dtrue%26app%3Ddesktop%26hl%3Den%26next%3Dhttps%253A%252F%252Fwww.youtube.com%252Fwatch%253Fv%253DcLkSuTJ-_S4&hl=en&ec=65620) [![Image 2: Meet the line dancing community](https://www.gstatic.com/youtube/img/promos/462a7de0c39c428280f60a340dfcf2cf243600396c1f2a6cb8087b91f29140f4_122x56.webp)](http://www.youtube.com/ "Meet the line dancing community") [](http://www.youtube.com/watch?v=cLkSuTJ-_S4) [](http://www.youtube.com/watch?v=cLkSuTJ-_S4) [](http://www.youtube.com/watch?v=cLkSuTJ-_S4) [](http://www.youtube.com/watch?v=cLkSuTJ-_S4) [Last Week in AI #241 - Opus 4.7, Muse Spark, GPT-5.4-Cyber, HY-World 2.0](http://www.youtube.com/watch?v=cLkSuTJ-_S4) [](http://www.youtube.com/watch?v=cLkSuTJ-_S4) Tap to unmute 2x [![Image 3](http://www.youtube.com/watch?v=cLkSuTJ-_S4)](http://www.youtube.com/watch?v=cLkSuTJ-_S4) ## Last Week in AI #241 - Opus 4.7, Muse Spark, GPT-5.4-Cyber, HY-World 2.0 Last Week in AI 323 views 1 day ago [](http://www.youtube.com/watch?v=cLkSuTJ-_S4) Search Copy link Info Shopping ![Image 4](http://www.youtube.com/watch?v=cLkSuTJ-_S4) [![Image 5](http://www.youtube.com/watch?v=cLkSuTJ-_S4)](http://www.youtube.com/watch?v=cLkSuTJ-_S4) If playback doesn't begin shortly, try restarting your device. • You're signed out Videos you watch may be added to the TV's watch history and influence TV recommendations. 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Recorded on 04/18/2026…...more ...more How this was made Auto-dubbed Audio tracks for some languages were automatically generated. [Learn more](http://support.google.com/youtube/answer/15569972?hl=en) ## Key moments View all [![Image 8](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Intro / Banter #### Intro / Banter 0:10](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=10s) #### [Intro / Banter](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=10s) 0:10 [![Image 9](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### News Preview #### News Preview 3:43](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=223s) #### [News Preview](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=223s) 3:43 [![Image 10](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Response to listener comments #### Response to listener comments 4:14](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=254s) #### [Response to listener comments](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=254s) 4:14 [![Image 11](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Anthropic releases Claude Opus 4.7, narrowly retaking lead for most powerful generally available LLM | VentureBeat #### Anthropic releases Claude Opus 4.7, narrowly retaking lead for most powerful generally available LLM | VentureBeat 5:30](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=330s) #### [Anthropic releases Claude Opus 4.7, narrowly retaking lead for most powerful generally available LLM | VentureBeat](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=330s) 5:30 [![Image 12](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Meta debuts the Muse Spark model in a 'ground-up overhaul' of its AI | TechCrunch #### Meta debuts the Muse Spark model in a 'ground-up overhaul' of its AI | TechCrunch 24:15](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=1455s&pp=0gcJCREDDuyUWbzu) #### [Meta debuts the Muse Spark model in a 'ground-up overhaul' of its AI | TechCrunch](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=1455s&pp=0gcJCREDDuyUWbzu) 24:15 [![Image 13](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams #### OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams 34:23](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2063s) #### [OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2063s) 34:23 [![Image 14](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### OpenAI’s big Codex update is a direct shot at Claude Code | The Verge #### OpenAI’s big Codex update is a direct shot at Claude Code | The Verge 39:44](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2384s&pp=0gcJCREDDuyUWbzu) #### [OpenAI’s big Codex update is a direct shot at Claude Code | The Verge](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2384s&pp=0gcJCREDDuyUWbzu) 39:44 [![Image 15](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Anthropic launches Claude Design, a new product for creating quick visuals #### Anthropic launches Claude Design, a new product for creating quick visuals 42:10](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2530s) #### [Anthropic launches Claude Design, a new product for creating quick visuals](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2530s) 42:10 Explore the podcast [![Image 16](http://www.youtube.com/watch?v=cLkSuTJ-_S4)208 episodes 208 episodes](http://www.youtube.com/playlist?list=PLM-oLAM5uh0nDfcweJYejeAdGzPCuh8KP) Last Week in AI Last Week in AI [![Image 17](http://www.youtube.com/watch?v=cLkSuTJ-_S4) Podcasts](http://www.youtube.com/podcasts) ## Music 1 songs [![Image 18](http://www.youtube.com/watch?v=cLkSuTJ-_S4) # Deliberate Thought #### Kevin Macleod Light Electronic](http://www.youtube.com/watch?v=N2Q4sipep4o&pp=0gcJCZgAkZFA-ciq) [Music](http://www.youtube.com/channel/UC-9-kyTW8ZkZNDHQJ6FgpwQ) Transcript Follow along using the transcript. Show transcript [![Image 19](http://www.youtube.com/watch?v=cLkSuTJ-_S4) ### Last Week in AI 5.64K subscribers](http://www.youtube.com/@lastweekinai) [Videos](http://www.youtube.com/channel/UCKARTq-t5SPMzwtft8FWwnA/videos)[About](http://www.youtube.com/channel/UCKARTq-t5SPMzwtft8FWwnA/about)[![Image 20](http://www.youtube.com/watch?v=cLkSuTJ-_S4) Facebook](https://www.youtube.com/redirect?event=Watch_SD_EP&redir_token=QUFFLUhqa2hJZ1doUWtJN1JUV0lLOUxINjFuRVoxcFlHZ3xBQ3Jtc0tueERYU0NPcmRvTHFYemo1NE5OMjhCdk94TDVTUTVkYTVaSDVtSUZWejRfY3hrSk1VeXExR25Uem85WGZfRGxrRmlvaDQtaFVXMjQ4SWhuZWQ2bHYyNl9qMUFfbW9pOG9HeTcxUFJ0RnZBUmVTUW1rQQ&q=https%3A%2F%2Fwww.facebook.com%2FLastWeekInAI) Show less [](http://www.youtube.com/playlist?list=PLM-oLAM5uh0nDfcweJYejeAdGzPCuh8KP)[Last Week in AI](http://www.youtube.com/playlist?list=PLM-oLAM5uh0nDfcweJYejeAdGzPCuh8KP) # Last Week in AI [#241](http://www.youtube.com/hashtag/241) - Opus 4.7, Muse Spark, GPT-5.4-Cyber, HY-World 2.0 323 views 323 views Apr 23, 2026 8 Share Save Download Download ## Comments 1 [Top Show featured comments](http://www.youtube.com/watch?v=cLkSuTJ-_S4)[Newest Show recent comments, including potential spam](http://www.youtube.com/watch?v=cLkSuTJ-_S4) ## In this video Timeline Transcript ## Key moments [![Image 21](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Intro / Banter #### Intro / Banter 0:10](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=10s) #### [Intro / Banter](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=10s) 0:10 [![Image 22](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### News Preview #### News Preview 3:43](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=223s) #### [News Preview](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=223s) 3:43 [![Image 23](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Response to listener comments #### Response to listener comments 4:14](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=254s) #### [Response to listener comments](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=254s) 4:14 [![Image 24](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Anthropic releases Claude Opus 4.7, narrowly retaking lead for most powerful generally available LLM | VentureBeat #### Anthropic releases Claude Opus 4.7, narrowly retaking lead for most powerful generally available LLM | VentureBeat 5:30](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=330s) #### [Anthropic releases Claude Opus 4.7, narrowly retaking lead for most powerful generally available LLM | VentureBeat](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=330s) 5:30 [![Image 25](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Meta debuts the Muse Spark model in a 'ground-up overhaul' of its AI | TechCrunch #### Meta debuts the Muse Spark model in a 'ground-up overhaul' of its AI | TechCrunch 24:15](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=1455s) #### [Meta debuts the Muse Spark model in a 'ground-up overhaul' of its AI | TechCrunch](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=1455s) 24:15 [![Image 26](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams #### OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams 34:23](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2063s) #### [OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2063s) 34:23 [![Image 27](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### OpenAI’s big Codex update is a direct shot at Claude Code | The Verge #### OpenAI’s big Codex update is a direct shot at Claude Code | The Verge 39:44](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2384s) #### [OpenAI’s big Codex update is a direct shot at Claude Code | The Verge](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2384s) 39:44 [![Image 28](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Anthropic launches Claude Design, a new product for creating quick visuals #### Anthropic launches Claude Design, a new product for creating quick visuals 42:10](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2530s&pp=0gcJCREDDuyUWbzu) #### [Anthropic launches Claude Design, a new product for creating quick visuals](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2530s&pp=0gcJCREDDuyUWbzu) 42:10 [![Image 29](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Anthropic’s New Product Aims to Handle the Hard Part of Building AI Agents | WIRED #### Anthropic’s New Product Aims to Handle the Hard Part of Building AI Agents | WIRED 42:30](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2550s) #### [Anthropic’s New Product Aims to Handle the Hard Part of Building AI Agents | WIRED](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2550s) 42:30 [![Image 30](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Canva’s AI 2.0 update goes all in on prompt-powered design tools | The Verge #### Canva’s AI 2.0 update goes all in on prompt-powered design tools | The Verge 42:54](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2574s) #### [Canva’s AI 2.0 update goes all in on prompt-powered design tools | The Verge](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2574s) 42:54 [![Image 31](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Adobe’s new AI Assistant marks a ‘fundamental shift’ in creative work | The Verge #### Adobe’s new AI Assistant marks a ‘fundamental shift’ in creative work | The Verge 43:06](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2586s) #### [Adobe’s new AI Assistant marks a ‘fundamental shift’ in creative work | The Verge](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2586s) 43:06 [![Image 32](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Gemini can now pull from Google Photos to generate personalized images | The Verge #### Gemini can now pull from Google Photos to generate personalized images | The Verge 43:38](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2618s) #### [Gemini can now pull from Google Photos to generate personalized images | The Verge](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2618s) 43:38 [![Image 33](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Google rolls out a native Gemini app for Mac | TechCrunch #### Google rolls out a native Gemini app for Mac | TechCrunch 43:52](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2632s) #### [Google rolls out a native Gemini app for Mac | TechCrunch](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2632s) 43:52 [![Image 34](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Chrome now lets you turn AI prompts into repeatable ‘Skills’ | The Verge #### Chrome now lets you turn AI prompts into repeatable ‘Skills’ | The Verge 44:04](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2644s) #### [Chrome now lets you turn AI prompts into repeatable ‘Skills’ | The Verge](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2644s) 44:04 [![Image 35](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Anthropic loses appeals court bid to temporarily block Pentagon blacklisting #### Anthropic loses appeals court bid to temporarily block Pentagon blacklisting 44:22](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2662s) #### [Anthropic loses appeals court bid to temporarily block Pentagon blacklisting](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2662s) 44:22 [![Image 36](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Jeff Bezos’ AI lab poaches xAI cofounder Kyle Kozic from OpenAI. | The Verge #### Jeff Bezos’ AI lab poaches xAI cofounder Kyle Kozic from OpenAI. | The Verge 49:07](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2947s) #### [Jeff Bezos’ AI lab poaches xAI cofounder Kyle Kozic from OpenAI. | The Verge](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2947s) 49:07 [![Image 37](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Perplexity's Shift to AI Agents Boosts Revenue 50 #### Perplexity's Shift to AI Agents Boosts Revenue 50 51:39](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=3099s) #### [Perplexity's Shift to AI Agents Boosts Revenue 50](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=3099s) 51:39 [![Image 38](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Anthropic Agrees to Rent CoreWeave AI Capacity to Power Claude #### Anthropic Agrees to Rent CoreWeave AI Capacity to Power Claude 53:53](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=3233s) #### [Anthropic Agrees to Rent CoreWeave AI Capacity to Power Claude](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=3233s) 53:53 [![Image 39](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Canada’s Cohere, Germany’s Aleph Alpha reportedly in merger talks #### Canada’s Cohere, Germany’s Aleph Alpha reportedly in merger talks 57:32](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=3452s) #### [Canada’s Cohere, Germany’s Aleph Alpha reportedly in merger talks](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=3452s) 57:32 [![Image 40](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### ChatGPT has a new $100 per month Pro subscription | The Verge #### ChatGPT has a new $100 per month Pro subscription | The Verge 1:04:23](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=3863s) #### [ChatGPT has a new $100 per month Pro subscription | The Verge](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=3863s) 1:04:23 [![Image 41](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### OpenAI has bought AI personal finance startup Hiro | TechCrunch #### OpenAI has bought AI personal finance startup Hiro | TechCrunch 1:05:10](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=3910s) #### [OpenAI has bought AI personal finance startup Hiro | TechCrunch](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=3910s) 1:05:10 [![Image 42](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Allbirds announced a switch from shoes to AI and its stock jumped 600 percent | The Verge #### Allbirds announced a switch from shoes to AI and its stock jumped 600 percent | The Verge 1:07:03](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=4023s) #### [Allbirds announced a switch from shoes to AI and its stock jumped 600 percent | The Verge](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=4023s) 1:07:03 [![Image 43](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### HY-World 2.0: A Multi-Modal World Model for Reconstructing, Generating, and Simulating 3D Worlds + Lyra 2.0: Explorable Generative 3D Worlds #### HY-World 2.0: A Multi-Modal World Model for Reconstructing, Generating, and Simulating 3D Worlds + Lyra 2.0: Explorable Generative 3D Worlds 1:07:26](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=4046s) #### [HY-World 2.0: A Multi-Modal World Model for Reconstructing, Generating, and Simulating 3D Worlds + Lyra 2.0: Explorable Generative 3D Worlds](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=4046s) 1:07:26 [![Image 44](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Daniel Moreno-Gama is facing federal charges for attacking Sam Altman’s home and OpenAI’s HQ | The Verge #### Daniel Moreno-Gama is facing federal charges for attacking Sam Altman’s home and OpenAI’s HQ | The Verge 1:19:12](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=4752s) #### [Daniel Moreno-Gama is facing federal charges for attacking Sam Altman’s home and OpenAI’s HQ | The Verge](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=4752s) 1:19:12 [![Image 45](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Duo accused of shooting at Sam Altman’s house are freed; no charges filed #### Duo accused of shooting at Sam Altman’s house are freed; no charges filed 1:20:15](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=4815s) #### [Duo accused of shooting at Sam Altman’s house are freed; no charges filed](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=4815s) 1:20:15 [![Image 46](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### The Iranian Lego AI video creators credit their virality to ‘heart’ | The Verge #### The Iranian Lego AI video creators credit their virality to ‘heart’ | The Verge 1:24:50](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=5090s) #### [The Iranian Lego AI video creators credit their virality to ‘heart’ | The Verge](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=5090s) 1:24:50 [![Image 47](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Hundreds of Fake Pro-Trump Avatars Emerge on Social Media - The New York Times #### Hundreds of Fake Pro-Trump Avatars Emerge on Social Media - The New York Times 1:27:19](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=5239s) #### [Hundreds of Fake Pro-Trump Avatars Emerge on Social Media - The New York Times](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=5239s) 1:27:19 [![Image 48](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### The AI images Trump can’t get enough of | Donald Trump | The Guardian #### The AI images Trump can’t get enough of | Donald Trump | The Guardian 1:27:31](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=5251s) #### [The AI images Trump can’t get enough of | Donald Trump | The Guardian](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=5251s) 1:27:31 [![Image 49](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Automated Weak-to-Strong Researcher #### Automated Weak-to-Strong Researcher 1:29:25](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=5365s) #### [Automated Weak-to-Strong Researcher](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=5365s) 1:29:25 [![Image 50](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Reproducing steering against evaluation awareness in a large open-weight model #### Reproducing steering against evaluation awareness in a large open-weight model 1:43:51](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=6231s) #### [Reproducing steering against evaluation awareness in a large open-weight model](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=6231s) 1:43:51 [![Image 51](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Iran threatens ‘complete and utter annihilation’ of OpenAI's $30B Stargate AI data center in Abu Dhabi — regime posts video with satellite imagery of ChatGPT-maker's premier 1GW data center #### Iran threatens ‘complete and utter annihilation’ of OpenAI's $30B Stargate AI data center in Abu Dhabi — regime posts video with satellite imagery of ChatGPT-maker's premier 1GW data center 1:49:53](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=6593s) #### [Iran threatens ‘complete and utter annihilation’ of OpenAI's $30B Stargate AI data center in Abu Dhabi — regime posts video with satellite imagery of ChatGPT-maker's premier 1GW data center](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=6593s) 1:49:53 [![Image 52](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Wall Street Banks Try Out Anthropic’s Mythos as US Urges #### Wall Street Banks Try Out Anthropic’s Mythos as US Urges 1:53:57](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=6837s) #### [Wall Street Banks Try Out Anthropic’s Mythos as US Urges](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=6837s) 1:53:57 Sync to video time ## Description Last Week in AI [#241](http://www.youtube.com/hashtag/241) - Opus 4.7, Muse Spark, GPT-5.4-Cyber, HY-World 2.0 8 Likes 323 Views Apr 23 2026 Our 241st episode with a summary and discussion of last week's big AI news! Recorded on 04/18/2026 Hosted by Andrey Kurenkov and Jeremie Harris Feel free to email us your questions and feedback at andreyvkurenkov@gmail.com and/or hello@gladstone.ai Read out our text newsletter and comment on the podcast at [https://lastweekin.ai/](https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa3cxWldYVmJwZnVmMTNTRXdFYjJiU0tIU3VOZ3xBQ3Jtc0tuMTJqZU44LXpFal9PdUhncnNIbTRZMnctMGctV2lBZFBkSGk4Z3JVSzQtbXBvYTA1dmwzQTBWLW16bmx6NjB3cFZoZXlhSDlLdENlWUxlQXFwREZTZmdKR0FqUFFqQjl2UFZINjZzSXN5VlNnczZsNA&q=https%3A%2F%2Flastweekin.ai%2F&v=cLkSuTJ-_S4) In this episode: Anthropic released Claude Opus 4.7 with improved benchmark performance, new reasoning controls, better vision and memory, and a detailed system card discussing deception risk, evaluation-awareness steering, and a training bug that accidentally supervised chain-of-thought in 7–8% of episodes. Meta unveiled its closed Muse Spark model and “contemplating mode,” highlighting test-time scaling, thought compression, large infrastructure plans like the Hyperion data center, and findings that it shows unusually high evaluation awareness. OpenAI introduced limited-access GPT 5.4 Cyber for defensive security teams and rolled major Codex updates including computer use, browser and plugins, image generation, and long-horizon task scheduling; competing agent products also launched from Anthropic, Canva, and Adobe. Business, policy, and safety news included continued government blacklisting litigation affecting Anthropic, CoreWeave compute deals, Perplexity revenue growth tied to agents, a potential Cohere–Aleph Alpha merger, attacks targeting Sam Altman and OpenAI, AI propaganda trends, and new alignment research on automated weak-to-strong supervision and steering evaluation awareness. Timestamps: ([00:00:10](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=10s)) Intro / Banter ([00:03:43](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=223s)) News Preview ([00:04:14](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=254s)) Response to listener comments Tools & Apps ([00:05:30](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=330s)) Anthropic releases Claude Opus 4.7, narrowly retaking lead for most powerful generally available LLM | VentureBeat ([00:24:15](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=1455s)) Meta debuts the Muse Spark model in a 'ground-up overhaul' of its AI | TechCrunch ([00:34:23](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2063s)) OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams ([00:39:44](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2384s)) OpenAI’s big Codex update is a direct shot at Claude Code | The Verge ([00:42:10](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2530s)) Anthropic launches Claude Design, a new product for creating quick visuals ([00:42:30](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2550s)) Anthropic’s New Product Aims to Handle the Hard Part of Building AI Agents | WIRED ([00:42:54](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2574s)) Canva’s AI 2.0 update goes all in on prompt-powered design tools | The Verge ([00:43:06](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2586s)) Adobe’s new AI Assistant marks a ‘fundamental shift’ in creative work | The Verge ([00:43:38](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2618s)) Gemini can now pull from Google Photos to generate personalized images | The Verge ([00:43:52](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2632s)) Google rolls out a native Gemini app for Mac | TechCrunch ([00:44:04](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2644s)) Chrome now lets you turn AI prompts into repeatable ‘Skills’ | The Verge Applications & Business ([00:44:22](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2662s)) Anthropic loses appeals court bid to temporarily block Pentagon blacklisting ([00:49:07](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=2947s)) Jeff Bezos’ AI lab poaches xAI cofounder Kyle Kozic from OpenAI. | The Verge ([00:51:39](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=3099s)) Perplexity's Shift to AI Agents Boosts Revenue 50% ([00:53:53](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=3233s)) Anthropic Agrees to Rent CoreWeave AI Capacity to Power Claude ([00:57:32](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=3452s)) Canada’s Cohere, Germany’s Aleph Alpha reportedly in merger talks ([01:04:23](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=3863s)) ChatGPT has a new $100 per month Pro subscription | The Verge ([01:05:10](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=3910s)) OpenAI has bought AI personal finance startup Hiro | TechCrunch ([01:07:03](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=4023s)) Allbirds announced a switch from shoes to AI and its stock jumped 600 percent | The Verge Projects & Open Source ([01:07:26](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=4046s)) HY-World 2.0: A Multi-Modal World Model for Reconstructing, Generating, and Simulating 3D Worlds + Lyra 2.0: Explorable Generative 3D Worlds Policy & Safety ([01:19:12](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=4752s)) Daniel Moreno-Gama is facing federal charges for attacking Sam Altman’s home and OpenAI’s HQ | The Verge ([01:20:15](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=4815s)) Duo accused of shooting at Sam Altman’s house are freed; no charges filed ([01:24:50](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=5090s)) The Iranian Lego AI video creators credit their virality to ‘heart’ | The Verge ([01:27:19](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=5239s)) Hundreds of Fake Pro-Trump Avatars Emerge on Social Media - The New York Times ([01:27:31](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=5251s)) The AI images Trump can’t get enough of | Donald Trump | The Guardian ([01:29:25](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=5365s)) Automated Weak-to-Strong Researcher ([01:43:51](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=6231s)) Reproducing steering against evaluation awareness in a large open-weight model ([01:49:53](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=6593s)) Iran threatens ‘complete and utter annihilation’ of OpenAI's $30B Stargate AI data center in Abu Dhabi — regime posts video with satellite imagery of ChatGPT-maker's premier 1GW data center ([01:53:57](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=6837s)) Wall Street Banks Try Out Anthropic’s Mythos as US Urges…...more ...more Show less How this was made Auto-dubbed Audio tracks for some languages were automatically generated. [Learn more](http://support.google.com/youtube/answer/15569972?hl=en) ## Key moments View all [![Image 53](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Intro / Banter #### Intro / Banter 0:10](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=10s) #### [Intro / Banter](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=10s) 0:10 [![Image 54](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### News Preview #### News Preview 3:43](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=223s) #### [News Preview](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=223s) 3:43 [![Image 55](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Response to listener comments #### Response to listener comments 4:14](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=254s) #### [Response to listener comments](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=254s) 4:14 [![Image 56](http://www.youtube.com/watch?v=cLkSuTJ-_S4) #### Anthropic releases Claude Opus 4.7, narrowly retaking lead for most powerful generally available LLM | VentureBeat #### Anthropic releases Claude Opus 4.7, narrowly retaking lead for most powerful generally available LLM | VentureBeat 5:30](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=330s) #### [Anthropic releases Claude Opus 4.7, narrowly retaking lead for most powerful generally available LLM | VentureBeat](http://www.youtube.com/watch?v=cLkSuTJ-_S4&t=330s) 5:30 Explore the podcast [![Image 57](http://www.youtube.com/watch?v=cLkSuTJ-_S4)208 episodes 208 episodes](http://www.youtube.com/playlist?list=PLM-oLAM5uh0nDfcweJYejeAdGzPCuh8KP) Last Week in AI Last Week in AI [![Image 58](http://www.youtube.com/watch?v=cLkSuTJ-_S4) Podcasts](http://www.youtube.com/podcasts) ## Music 1 songs [![Image 59](http://www.youtube.com/watch?v=cLkSuTJ-_S4) # Deliberate Thought #### Kevin Macleod Light Electronic](http://www.youtube.com/watch?v=N2Q4sipep4o&pp=0gcJCZgAkZFA-ciq) [Music](http://www.youtube.com/channel/UC-9-kyTW8ZkZNDHQJ6FgpwQ) Transcript Follow along using the transcript. Show transcript [![Image 60](http://www.youtube.com/watch?v=cLkSuTJ-_S4) ### Last Week in AI 5.64K subscribers](http://www.youtube.com/@lastweekinai) [Videos](http://www.youtube.com/channel/UCKARTq-t5SPMzwtft8FWwnA/videos)[About](http://www.youtube.com/channel/UCKARTq-t5SPMzwtft8FWwnA/about)[![Image 61](http://www.youtube.com/watch?v=cLkSuTJ-_S4) Facebook](https://www.youtube.com/redirect?event=Watch_SD_EP&redir_token=QUFFLUhqa2hJZ1doUWtJN1JUV0lLOUxINjFuRVoxcFlHZ3xBQ3Jtc0tueERYU0NPcmRvTHFYemo1NE5OMjhCdk94TDVTUTVkYTVaSDVtSUZWejRfY3hrSk1VeXExR25Uem85WGZfRGxrRmlvaDQtaFVXMjQ4SWhuZWQ2bHYyNl9qMUFfbW9pOG9HeTcxUFJ0RnZBUmVTUW1rQQ&q=https%3A%2F%2Fwww.facebook.com%2FLastWeekInAI) ## Transcript NaN / NaN [![Image 62](https://i.ytimg.com/vi/acjs8sDZDro/hqdefault.jpg?v=6931a68c&sqp=-oaymwEmCKgBEF5IWvKriqkDGQgBFQAAiEIYAdgBAeIBCggYEAIYBjgBQAE=&rs=AOn4CLBrx8-Hk2dbfFR3-8QrR42sFeELiA) LIVE](http://www.youtube.com/watch?v=acjs8sDZDro) ![Image 63](http://www.youtube.com/watch?v=cLkSuTJ-_S4) ### [Work Music for Deep Focus and Hyper Efficient](http://www.youtube.com/watch?v=acjs8sDZDro) Chill Music Lab 126 watching [![Image 64](https://i.ytimg.com/vi/sSZHkUdsXQM/hqdefault.jpg?sqp=-oaymwEmCKgBEF5IWvKriqkDGQgBFQAAiEIYAdgBAeIBCggYEAIYBjgBQAE=&rs=AOn4CLA6GVn3nfA4jlt2AVGwHVzXgfGOeA) 48:36](http://www.youtube.com/watch?v=sSZHkUdsXQM&pp=ugUHEgVlbi1VUw%3D%3D) ![Image 65](http://www.youtube.com/watch?v=cLkSuTJ-_S4) ### [Politics Chat, April 21, 2026](http://www.youtube.com/watch?v=sSZHkUdsXQM&pp=ugUHEgVlbi1VUw%3D%3D) Heather Cox Richardson 439K views • Streamed 2 days ago New [![Image 66](https://i.ytimg.com/vi/WX4rp-vP3zo/hqdefault.jpg?sqp=-oaymwEmCKgBEF5IWvKriqkDGQgBFQAAiEIYAdgBAeIBCggYEAIYBjgBQAE=&rs=AOn4CLBjSWzTErig4DVKkXCchEL27diqMA) 19:33](http://www.youtube.com/watch?v=WX4rp-vP3zo&pp=ugUEEgJlbg%3D%3D) ![Image 67](http://www.youtube.com/watch?v=cLkSuTJ-_S4) ### [I Tested GPT 5.5 vs Opus 4.7: What You Need to Know](http://www.youtube.com/watch?v=WX4rp-vP3zo&pp=ugUEEgJlbg%3D%3D) Nate Herk | AI Automation 88K views • 1 day ago New [![Image 68](https://i.ytimg.com/vi/Bj0i-yvIUQs/hqdefault.jpg?sqp=-oaymwEmCKgBEF5IWvKriqkDGQgBFQAAiEIYAdgBAeIBCggYEAIYBjgBQAE=&rs=AOn4CLActW-jvAbjzo7oVcgjaVH8iuFxNQ) 2:33:40](http://www.youtube.com/watch?v=Bj0i-yvIUQs) ![Image 69](http://www.youtube.com/watch?v=cLkSuTJ-_S4) ### [Elon's $60B Cursor Bet, Claude kills SaaS, and OpenAI's Mass Departures | EP #249](http://www.youtube.com/watch?v=Bj0i-yvIUQs) Peter H. 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