How to call DeepSeek V4.1 Flash beta: model name and rate limits revealed

赛博禅心 · wechat · 2026-09-08

A repost of the DeepSeek V4.1 Flash mid-cycle beta notice: new architecture, native multimodal support, claiming stronger capability, faster speed, and lower cost.

Calling details: same baseurl, set model name to deepseek-v4.1-flash-expires-on-0910; pricing matches deepseek-v4-flash with a 20 concurrent-request cap per account.

Related event: DeepSeek Quietly Tests V4.1 Flash Interim Build with Native Multimodality(10 posts)→

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