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OpenRouter free DeepSeek V4 Flash and Qwen3.8 27B endpoints

#OpenRouter#DeepSeek#Qwen#Free

OpenRouter lists free endpoints for DeepSeek V4 Flash and Qwen3.8 27B. Calls are not charged per token, but the shared free pool has rate and daily limits and may return 429 errors during busy periods.

The briefing

OpenRouter currently lists two :free endpoints for lightweight testing: DeepSeek V4 Flash and Qwen3.8 27B.

Endpoints

  • deepseek/deepseek-v4-flash:free
  • qwen/qwen3.8-27b:free
  • Registration and an OpenRouter API key are required; the free endpoints do not require an initial deposit
  • Free traffic is rate-limited and can return 429 when the shared pool is busy

How to use them

  1. Register at openrouter.ai and create an API key.
  2. Confirm that the model page still shows Free.
  3. Use https://openrouter.ai/api/v1 as the OpenAI-compatible base URL.
  4. Start with low traffic and switch models if the free pool is saturated.

See the DeepSeek V4 Flash and Qwen3.8 27B model pages for current limits.

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