---
title: "🚀 DeepSeek-V4 Preview is officially live & open-sourced! Welcome to the era of cost-effective 1M co..."
source_name: "DeepSeek(@deepseek_ai)"
original_url: "https://x.com/deepseek_ai/status/2047516922263285776"
canonical_url: "https://www.traeai.com/articles/d76c1d6b-5798-409d-a6dc-9e58ddbc828b"
content_type: "tweet"
language: "中文"
score: 5
tags: []
published_at: "2026-04-24T03:24:09+00:00"
created_at: "2026-04-24T11:36:36.180509+00:00"
---

# 🚀 DeepSeek-V4 Preview is officially live & open-sourced! Welcome to the era of cost-effective 1M co...

Canonical URL: https://www.traeai.com/articles/d76c1d6b-5798-409d-a6dc-9e58ddbc828b
Original source: https://x.com/deepseek_ai/status/2047516922263285776

## Summary

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## Content

Title: DeepSeek on X: "🚀 DeepSeek-V4 Preview is officially live & open-sourced! Welcome to the era of cost-effective 1M context length.

🔹 DeepSeek-V4-Pro: 1.6T total / 49B active params. Performance rivaling the world's top closed-source models.
🔹 DeepSeek-V4-Flash: 284B total / 13B active params. https://t.co/n1AgwMIymu" / X

URL Source: http://x.com/deepseek_ai/status/2047516922263285776

Published Time: Fri, 24 Apr 2026 11:08:08 GMT

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[DeepSeek](https://x.com/deepseek_ai)

[@deepseek_ai](https://x.com/deepseek_ai)

![Image 1: 🚀](https://abs.twimg.com/emoji/v2/svg/1f680.svg)DeepSeek-V4 Preview is officially live & open-sourced! Welcome to the era of cost-effective 1M context length. ![Image 2: 🔹](https://abs.twimg.com/emoji/v2/svg/1f539.svg)DeepSeek-V4-Pro: 1.6T total / 49B active params. Performance rivaling the world's top closed-source models. ![Image 3: 🔹](https://abs.twimg.com/emoji/v2/svg/1f539.svg)DeepSeek-V4-Flash: 284B total / 13B active params. Your fast, efficient, and economical choice. Try it now at [chat.deepseek.com](https://t.co/GCdiMzk1Dl) via Expert Mode / Instant Mode. API is updated & available today! ![Image 4: 📄](https://abs.twimg.com/emoji/v2/svg/1f4c4.svg) Tech Report: [huggingface.co/deepseek-ai/De](https://t.co/drlDrxkYtp)![Image 5: 🤗](https://abs.twimg.com/emoji/v2/svg/1f917.svg) Open Weights: [huggingface.co/collections/de](https://t.co/T13Y8i7SDM) 1/n

[![Image 6: Image](https://pbs.twimg.com/media/HGo9ronbUAAKlRk?format=jpg&name=small)](https://x.com/deepseek_ai/status/2047516922263285776/photo/1)

[3:24 AM · Apr 24, 2026](https://x.com/deepseek_ai/status/2047516922263285776)

[2.8M Views](https://x.com/deepseek_ai/status/2047516922263285776/analytics)

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