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[ARTICLE · art-123081] src=news.ycombinator.com ↗ pub= topic=artificial-intelligence verified=true sentiment=↑ positive

DeepSeek v4.1 Flash is now available for internal beta testing

DeepSeek has released DeepSeek v4.1 Flash for internal beta testing, featuring a new model architecture with native multimodal support, stronger capabilities, faster speed, and lower cost. Developers can access it by keeping the base_url unchanged and setting the model name to 'deepseek-v4.1-flash-expires-on-0910', with pricing identical to 'deepseek-v4-flash' and an account-level rate limit of 20 concurrent requests.

read1 min views1 publishedSep 8, 2026

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|  |  | [DeepSeek v4.1 Flash is now available for internal beta testing](item?id=49607094) |

| | | 3 points by dares257326 minutes ago |hide |past |favorite |discuss | | | | DeepSeek V4.1 Flash is now available for internal beta testing. It uses a new model architecture, with native multimodal support, stronger capabilities, faster speed, and lower cost. Keep the base_url unchanged and set the model name to deepseek-v4.1-flash-expires-on-0910 to use it. Pricing is currently the same as deepseek-v4-flash, with an account-level rate limit of 20 concurrent requests. |

source & further reading
news.ycombinator.com — original article Show HN: Froogle – a search engine portal in one HTML file Ask HN: Simple Question Ask HN: How do you know a prompt is "complex" for an AI model?
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