DeepSeek: DeepSeek V4 Flash 0731 — pricing & benchmarks

By deepseek · Updated 2026-10-06 · Open weights · mitlong-context / RAGcheap high-volumestep-by-step reasoningopen weights / self-hostable

What DeepSeek: DeepSeek V4 Flash 0731 is used for

DeepSeek: DeepSeek V4 Flash 0731 is best suited for long-context / RAG, cheap high-volume, step-by-step reasoning, open weights / self-hostable. Access it through one Appmo API key alongside 458 other models — Appmo's optimizer can route to it automatically when it is the best value for a request. Weights: huggingface.co/deepseek-ai/DeepSeek-V4-Flash-0731.

Use it via the Appmo API (OpenAI-compatible)

curl https://appmo.com/v1/chat/completions \
  -H "Authorization: Bearer $APPMO_KEY" \
  -d '{"model":"deepseek/deepseek-v4-flash-0731","messages":[{"role":"user","content":"Hello"}]}'

FAQ

How much does DeepSeek: DeepSeek V4 Flash 0731 cost?
DeepSeek: DeepSeek V4 Flash 0731 costs $0.0152 per 1M input tokens and $1.28 per 1M output tokens ($0.331 blended), as of 2026-10-06. Prices are expected to fall as competition increases.

What is DeepSeek: DeepSeek V4 Flash 0731 best for?
DeepSeek: DeepSeek V4 Flash 0731 is best suited for long-context / RAG, cheap high-volume, step-by-step reasoning, open weights / self-hostable.

How do I use DeepSeek: DeepSeek V4 Flash 0731?
Send requests to Appmo's OpenAI-compatible endpoint with model id "deepseek/deepseek-v4-flash-0731" and one API key — no separate provider account needed.

Is DeepSeek: DeepSeek V4 Flash 0731 open source?
Yes — its weights are public on Hugging Face (deepseek-ai/DeepSeek-V4-Flash-0731) under the mit license; check the license terms before commercial use.

Can DeepSeek: DeepSeek V4 Flash 0731 create images?
No, DeepSeek: DeepSeek V4 Flash 0731 works with text.