DeepSeek 在 API 上线 V4.1-Flash，支持原生多模态，调用时将模型设为 deepseek-flash；V4-Flash 与 V4-Flash-Vision-Exp 退役，对应的旧模型名暂时路由到 V4.1-Flash。
官方给出 V4.1-Flash 与 V4-Pro 在性能、成本、速度和总运行时间上的比较结论及旧模型的迁移时间表，可供选择接入版本时参考。
⚡ 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!
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来源：@deepseek_ai · x.com