deepseek-v4-flash (0731) — API, Pricing & Context Window | Vivgrid

deepseek-v4-flash (0731) upgrade to 0731 version https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash-0731, with significantly enhanced agent capabilities is the fast, ultra-affordable member of the DeepSeek V4 family. It keeps the line's standout 1M-token context window and 384K-token max output while pricing input and output tokens at a fraction of frontier models.

DeepSeek-V4-Flash-0731 outperforms DeepSeek-V4-Pro (Preview) on benchmarks listed below despite its far smaller activated parameter count, and is broadly competitive with the strongest proprietary models available.

Vivgrid serves deepseek-v4-flash (0731) through its unified, OpenAI-compatible API, making it a compelling default for high-volume, cost-sensitive workloads.

API surfaces

The Vivgrid Console catalogs deepseek-v4-flash on one surface, all behind the same API key. The endpoint shown is the one the Console previews for that surface.

Quick start

Get an API key from the Vivgrid Console, then call deepseek-v4-flash directly.

curl https://api.vivgrid.com/v1/chat/completions \
  -H "Authorization: Bearer $VIVGRID_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-flash",
    "messages": [
      { "role": "user", "content": "Say hello in English, Chinese and Spanish." }
    ],
    "stream": true
  }'

Ideal use cases

• Very high-volume, cost-sensitive agent traffic
• Long-context summarization and extraction
• Large-output generation at minimal cost
• First-pass steps in multi-model pipelines

Related models

• gpt-6-astra — OpenAI's frontier gpt-6 coding model
• deepseek-v4.1-flash — the V4.1 successor, with image input and Responses API support
• deepseek-v4-pro-0813 — the latest flagship V4 release