DeepSeek V4 Flash 0731

{
  "id": "deepseek/deepseek-v4-flash-0731",
  "name": "DeepSeek V4 Flash 0731",
  "description": "Official DeepSeek V4 Flash release with enhanced agentic capabilities and integrated DSpark speculative decoding",
  "family": "deepseek-flash",
  "last_updated": "2026-07-31",
  "knowledge": "2025-05",
  "attachment": false,
  "reasoning": true,
  "tool_call": true,
  "structured_output": true,
  "temperature": true,
  "modalities": {
    "input": [
      "text"
    ],
    "output": [
      "text"
    ]
  },
  "limit": {
    "context": 1000000,
    "output": 384000
  },
  "benchmarks": [
    {
      "name": "Terminal-Bench",
      "score": 82.7,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash-0731",
      "metric": "pass@1",
      "variant": "max",
      "version": "2.1"
    },
    {
      "name": "NL2Repo",
      "score": 54.2,
      "source": "https://api-docs.deepseek.com/updates/",
      "metric": "resolve rate",
      "harness": "DeepSeek Harness minimal mode",
      "variant": "max effort",
      "date": "2026-07-31"
    },
    {
      "name": "CyberGym",
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      "source": "https://api-docs.deepseek.com/updates/",
      "metric": "score",
      "harness": "DeepSeek Harness minimal mode",
      "variant": "max effort",
      "date": "2026-07-31"
    },
    {
      "name": "DeepSWE",
      "score": 54.4,
      "source": "https://api-docs.deepseek.com/updates/",
      "metric": "resolve rate",
      "harness": "DeepSeek Harness minimal mode",
      "variant": "max effort",
      "date": "2026-07-31"
    },
    {
      "name": "Toolathlon-Verified",
      "score": 70.3,
      "source": "https://api-docs.deepseek.com/updates/",
      "metric": "score",
      "harness": "DeepSeek Harness minimal mode",
      "variant": "max effort",
      "date": "2026-07-31"
    },
    {
      "name": "Agents' Last Exam",
      "score": 25.2,
      "source": "https://api-docs.deepseek.com/updates/",
      "metric": "score",
      "harness": "DeepSeek Harness minimal mode",
      "variant": "max effort",
      "date": "2026-07-31"
    },
    {
      "name": "AutomationBench",
      "score": 25.1,
      "source": "https://api-docs.deepseek.com/updates/",
      "metric": "success rate",
      "variant": "max effort",
      "dataset": "public",
      "date": "2026-07-31"
    },
    {
      "name": "DSBench-FullStack",
      "score": 68.7,
      "source": "https://api-docs.deepseek.com/updates/",
      "metric": "score",
      "variant": "max effort",
      "dataset": "internal",
      "date": "2026-07-31"
    },
    {
      "name": "DSBench-Hard",
      "score": 59.6,
      "source": "https://api-docs.deepseek.com/updates/",
      "metric": "score",
      "variant": "max effort",
      "dataset": "internal",
      "date": "2026-07-31"
    }
  ],
  "release_date": "2026-07-31",
  "open_weights": true,
  "license": "MIT",
  "weights": [
    {
      "label": "Hugging Face",
      "url": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash-0731"
    }
  ]
}