DeepSeek V4.1-Flash model update
For users of the previous V4-Pro model, the new V4.1-Flash is a direct upgrade with better performance and lower costs.
DeepSeek AI has released V4.1-Flash, a new version of its multimodal AI model on its API. The new model is faster and cheaper than the previous V4-Pro version. All V4-Pro requests will be redirected to V4.1-Flash starting September 14, 2026. Partners like WorkBuddy and opencode now support the new model.
⚡ V4.1-Flash is now live on the DeepSeek API with native multimodal support. Set your model to deepseek-flash. 🔹 V4-Flash & V4-Flash-Vision-Exp are retired. For compatibility, deepseek-v4-flash and deepseek-v4-flash-vision-exp temporarily route to V4.1-Flash. 🔹 Tests by multiple parties put V4.1-Flash ahead of V4-Pro on performance, cost, speed & total runtime. We’re phasing out V4-Pro. 🔹 Starting at 04:00 UTC on Sept 14, 2026, all deepseek-v4-pro requests will route to V4.1-Flash at V4.1-Flash rates. This will continue until V4.1-Pro launches. 🤝 Official partners @WorkBuddy_AI (including Codebuddy) & @opencode now fully support V4.1-Flash. Try it today! 4/6 💬 6 🔄 6 ❤️ 175 👀 9756 📊 20 ⚡