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DeepSeek V4 Flash

DeepSeek V4 Flash is the efficiency-optimized member of DeepSeek's V4 family, released open-source under the MIT license on April 24, 2026. Per its model card, it is a Mixture-of-Experts model with 284B total and 13B active parameters, sharing the V4 hybrid CSA plus HCA attention architecture and a reported 1M-token context window. It supports Non-think, Think High and Think Max reasoning modes and posts strong agentic and coding results, with reported scores of 79.0% on SWE-Bench Verified and 56.9% on Terminal-Bench 2.0. Ideal for fast, high-throughput, cost-sensitive workloads needing solid reasoning and coding.

Input

Prompt

Top p

Reasoning

Temperature

Max completion tokens

1200000

Ready to generate

API Reference

POSThttps://api.token360.ai/v1/chat/completions

curl https://api.token360.ai/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer your-api-key" \
  -d '{
  "model": "deepseek-v4-flash",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ],
  "temperature": 0.7,
  "top_p": 1,
  "max_completion_tokens": 4096
}'