DeepSeek Flash 4.1 internal beta via API

DeepSeek opened internal beta testing for deepseek-v4.1-flash (expires-on-0910), a new-architecture intermediate V4.1 Flash with native multimodal support, faster speed and lower cost. Pricing matches deepseek-v4-flash and the rate limit is 20 concurrent requests per account. The announcement was posted by Chubby on X.

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