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

22 points by dares2573 26d ago

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.

carlailab2025 26d ago
[dead]
GilbertWong 26d ago
Where can I test it ?
- vinya4486 26d ago
  Get an account at platform.deepseek.com and configure your agent with the model name deepseek-v4.1-flash-expires-on-0910, you have to manually configure the model, it does not automatically show up.
  - Tejush 26d ago
    based
theodordiaconu 26d ago
[dead]
lalitmadan 26d ago
can't wait to test it out :P
dyl000 26d ago
lower cost lol how -- effective price is like 4 cents / m in on openrouter with cache hits.
- mydreamof 25d ago
  It is more token efficient I believe
damanamathos 26d ago
Wow, it's fast.
- MoneyLovesSpeed 25d ago
  speed matters way more than ppl think tbh id take a slightly worse model thats 2x faster for most product use cases
kinderjaje 24d ago
[flagged]