DeepSeek V4 Flash 0423

{
  "id": "deepseek/deepseek-v4-flash",
  "name": "DeepSeek V4 Flash",
  "description": "Fast DeepSeek V4 lane for economical reasoning, coding, and long-context work",
  "family": "deepseek-flash",
  "last_updated": "2026-04-24",
  "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": "SWE-Bench Verified",
      "score": 79,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "resolved"
    },
    {
      "name": "MMLU-Pro",
      "score": 86.2,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "EM",
      "variant": "preview checkpoint; max effort"
    },
    {
      "name": "SimpleQA-Verified",
      "score": 34.1,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "pass@1",
      "variant": "preview checkpoint; max effort"
    },
    {
      "name": "Chinese SimpleQA",
      "score": 78.9,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "pass@1",
      "variant": "preview checkpoint; max effort"
    },
    {
      "name": "GPQA Diamond",
      "score": 88.1,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "pass@1",
      "variant": "preview checkpoint; max effort"
    },
    {
      "name": "Humanity's Last Exam",
      "score": 34.8,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "pass@1",
      "variant": "preview checkpoint; max effort; without tools"
    },
    {
      "name": "LiveCodeBench",
      "score": 91.6,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "pass@1",
      "variant": "preview checkpoint; max effort"
    },
    {
      "name": "Codeforces",
      "score": 3052,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "rating",
      "variant": "preview checkpoint; max effort"
    },
    {
      "name": "HMMT",
      "score": 94.8,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "pass@1",
      "variant": "preview checkpoint; max effort",
      "dataset": "February 2026"
    },
    {
      "name": "IMOAnswerBench",
      "score": 88.4,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "pass@1",
      "variant": "preview checkpoint; max effort"
    },
    {
      "name": "MathArena Apex",
      "score": 33,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "pass@1",
      "variant": "preview checkpoint; max effort"
    },
    {
      "name": "MathArena Apex Shortlist",
      "score": 85.7,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "pass@1",
      "variant": "preview checkpoint; max effort"
    },
    {
      "name": "MRCR",
      "score": 78.7,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "MMR",
      "variant": "preview checkpoint; max effort",
      "dataset": "1M context"
    },
    {
      "name": "CorpusQA",
      "score": 60.5,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "accuracy",
      "variant": "preview checkpoint; max effort",
      "dataset": "1M context"
    },
    {
      "name": "Terminal-Bench",
      "score": 56.9,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "accuracy",
      "variant": "preview checkpoint; max effort",
      "version": "2.0"
    },
    {
      "name": "SWE-Bench Pro",
      "score": 52.6,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "resolved",
      "variant": "preview checkpoint; max effort"
    },
    {
      "name": "SWE-Bench Multilingual",
      "score": 73.3,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "resolved",
      "variant": "preview checkpoint; max effort"
    },
    {
      "name": "BrowseComp",
      "score": 73.2,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "pass@1",
      "variant": "preview checkpoint; max effort"
    },
    {
      "name": "Humanity's Last Exam",
      "score": 45.1,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "pass@1",
      "variant": "preview checkpoint; max effort; with tools"
    },
    {
      "name": "MCP Atlas",
      "score": 69,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "pass@1",
      "variant": "preview checkpoint; max effort",
      "dataset": "public"
    },
    {
      "name": "GDPval-AA",
      "score": 1395,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "Elo",
      "variant": "preview checkpoint; max effort"
    },
    {
      "name": "Toolathlon",
      "score": 47.8,
      "source": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash",
      "metric": "pass@1",
      "variant": "preview checkpoint; max effort"
    }
  ],
  "release_date": "2026-04-24",
  "open_weights": true,
  "weights": [
    {
      "label": "Hugging Face",
      "url": "https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash"
    }
  ]
}