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DeepSeek announced on 2026-07-31 that DeepSeek-V4-Flash Official API is live in…

2026-07-31 · 06:56 UTC ·@deepseek_ai ·0 min read

Brief

DeepSeek-V4-Flash, announced 2026-07-31 by @deepseek_ai, entered public beta as an official API offering. The team claims substantial Agent capability improvements with benchmark results exceeding the prior V4-Pro-Preview, and notes native support for the Responses API format plus full adaptation for Codex. Technical configuration is available in their API documentation.

Why it matters

DeepSeek announced on 2026-07-31 that DeepSeek-V4-Flash Official API is live in public beta under the @deepseek_ai account

Key details

  • They claim major Agent capability upgrades with benchmark scores now surpassing V4-Pro-Preview and state V4-Flash natively supports the Responses API format and is fully adapted for Codex
  • Configuration and integration details are published in their API docs at api-docs.deepseek.com/quick_…
Source evidence

🚀 DeepSeek-V4-Flash Official API is now LIVE in public beta!

🔷 We’ve massively upgraded its Agent capabilities—benchmark scores are now far surpassing the V4-Pro-Preview. Check out the massive performance leap below! 👇
🔷 The official V4-Flash now natively supports the Responses API format and is fully adapted for Codex!

Check out the configuration details in our official API docs: api-docs.deepseek.com/quick_…