I've been previewing this in Codex for a few weeks - it's very good! Had some great results from it...
Had some great results from it having it run security reviews against code written using other models" / X
Simon Willison on X: "I've been previewing this in Codex for a few weeks - it's very good! Had some great results from it having it run security reviews against code written using other models" / X
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I've been previewing this in Codex for a few weeks - it's very good! Had some great results from it having it run security reviews against code written using other models
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OpenAI
@OpenAI
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7h
Introducing GPT-5.5 A new class of intelligence for real work and powering agents, built to understand complex goals, use tools, check its work, and carry more tasks through to completion. It marks a new way of getting computer work done. Now available in ChatGPT and Codex.
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-  Simon Willison @simonw Follow Click to Follow simonw Creator @datasetteproj , co-creator Django. PSF board. Hangs out with @natbat . He/Him. Mastodon: https://fedi.simonwillison.net/@simon Bsky: http://simonwillison.net
-  OpenAI @OpenAI Follow Click to Follow OpenAI OpenAI’s mission is to ensure that artificial general intelligence benefits all of humanity. We’re hiring: http://openai.com/jobs
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