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.

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