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deepseek-v4.1-flash API

DeepSeek V4.1 Flash — new Flash generation (10 Sep 2026), the vendor claims it beats the previous V4 Pro at Flash pricing · via OpenRouter from third-party providers of the model · vision and tool calls measured on live requests · premium wallet model · pay per token from balance · 1M context · ⚠ third-party provider: requests are processed by an external upstream

Requests to this model are processed outside Russia.

How to connect: change one line — base_url. Get an sk- key in the dashboard.

curl https://api.neuraldeep.ru/v1/chat/completions \
  -H "Authorization: Bearer $NEURALDEEP_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"deepseek-v4.1-flash","messages":[{"role":"user","content":"Hello"}]}'

https://neuraldeep.ru/en/models/deepseek-v4-1-flash