DeepSeek-V4-Pro GA Release | DeepSeek API Docs

We’re launching DeepSeek-V4-Pro today! 🚀

🔷 Major Agent upgrades with strong production gains!

🔷 Flexible reasoning effort for V4-Pro & V4-Flash: low for simple tasks, high for daily Agent workflows, max for complex tasks.

🔷 Native OpenAI Responses API support, optimized for Codex with one-click setup.

V4 Pro is now available on app/web. Try it via “Expert Mode”.

V4 Pro is also available via API. Model names remain unchanged—please refer to the API docs for setup details.

API pricing update 💰​

With the V4 lineup release, we’re updating our API pricing and introducing peak and off-peak rates. Off-peak rates are 50% lower than peak, enabling more flexible workload scheduling. 📉

New pricing takes effect at 16:00 UTC, Aug 16, 2026 🕒