Claude Sonnet 5

{
  "id": "anthropic/claude-sonnet-5",
  "name": "Claude Sonnet 5",
  "description": "Everyday Claude agent model for coding, planning, browsing, and general work",
  "family": "claude-sonnet",
  "last_updated": "2026-06-30",
  "knowledge": "2026-01-31",
  "attachment": true,
  "reasoning": true,
  "tool_call": true,
  "temperature": false,
  "modalities": {
    "input": [
      "text",
      "image",
      "pdf"
    ],
    "output": [
      "text"
    ]
  },
  "limit": {
    "context": 1000000,
    "output": 128000
  },
  "benchmarks": [
    {
      "name": "SWE-Bench Verified",
      "score": 85.2,
      "source": "https://www.anthropic.com/news/claude-sonnet-5",
      "metric": "resolved",
      "date": "2026-06-30"
    },
    {
      "name": "SWE-Bench Pro",
      "score": 63.2,
      "source": "https://www.anthropic.com/news/claude-sonnet-5",
      "metric": "resolve rate",
      "date": "2026-06-30"
    },
    {
      "name": "SWE-Bench Multilingual",
      "score": 78.3,
      "source": "https://www.anthropic.com/news/claude-sonnet-5",
      "metric": "resolve rate",
      "date": "2026-06-30"
    },
    {
      "name": "Terminal-Bench",
      "score": 80.4,
      "source": "https://www.anthropic.com/news/claude-sonnet-5",
      "metric": "success rate",
      "harness": "Terminus-2",
      "version": "2.1",
      "date": "2026-06-30"
    },
    {
      "name": "OSWorld-Verified",
      "score": 81.2,
      "source": "https://www.anthropic.com/news/claude-sonnet-5",
      "metric": "success rate",
      "date": "2026-06-30"
    },
    {
      "name": "BrowseComp",
      "score": 84.7,
      "source": "https://www.anthropic.com/news/claude-sonnet-5",
      "metric": "accuracy",
      "variant": "single agent",
      "date": "2026-06-30"
    },
    {
      "name": "FrontierCode",
      "score": 38.8,
      "source": "https://www.anthropic.com/news/claude-sonnet-5",
      "metric": "pass rate",
      "version": "v1",
      "date": "2026-06-30"
    }
  ],
  "release_date": "2026-06-30",
  "open_weights": false
}