Claude Opus 5

{
  "id": "anthropic/claude-opus-5",
  "name": "Claude Opus 5",
  "description": "Strongest Claude Opus model for coding, agents, and professional work",
  "family": "claude-opus",
  "last_updated": "2026-07-24",
  "knowledge": "2026-05",
  "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": 96,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "resolved",
      "date": "2026-07-24"
    },
    {
      "name": "SWE-Bench Pro",
      "score": 79.2,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "resolve rate",
      "date": "2026-07-24"
    },
    {
      "name": "SWE-Bench Multilingual",
      "score": 89.5,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "resolve rate",
      "date": "2026-07-24"
    },
    {
      "name": "SWE-Bench Multimodal",
      "score": 59.4,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "resolve rate",
      "date": "2026-07-24"
    },
    {
      "name": "DeepSWE",
      "score": 68.8,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "resolve rate",
      "version": "1.1",
      "date": "2026-07-24"
    },
    {
      "name": "FrontierCode",
      "score": 53.4,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "mean@5",
      "variant": "medium effort",
      "dataset": "Main",
      "version": "1.1",
      "date": "2026-07-24"
    },
    {
      "name": "Frontier-Bench",
      "score": 43.3,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "mean reward",
      "harness": "mini-SWE-agent",
      "variant": "max effort",
      "version": "v0.1",
      "date": "2026-07-24"
    },
    {
      "name": "BrowseComp",
      "score": 90.8,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "accuracy",
      "variant": "single agent",
      "date": "2026-07-24"
    },
    {
      "name": "Humanity's Last Exam",
      "score": 56.3,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "accuracy",
      "variant": "no tools",
      "date": "2026-07-24"
    },
    {
      "name": "Humanity's Last Exam",
      "score": 64.7,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "accuracy",
      "variant": "with tools",
      "date": "2026-07-24"
    },
    {
      "name": "DeepSearchQA",
      "score": 95,
      "source": "https://www.anthropic.com/news/claude-opus-5",
      "metric": "F1",
      "variant": "max effort",
      "date": "2026-07-24"
    },
    {
      "name": "OSWorld",
      "score": 70.6,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "success rate",
      "version": "2.0",
      "date": "2026-07-24"
    },
    {
      "name": "GDPval-AA",
      "score": 1861,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "Elo",
      "variant": "max effort",
      "version": "v2",
      "date": "2026-07-24"
    },
    {
      "name": "AA-Briefcase",
      "score": 1720,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "Elo",
      "variant": "max effort",
      "date": "2026-07-24"
    },
    {
      "name": "AutomationBench",
      "score": 26,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "success rate",
      "variant": "max effort",
      "date": "2026-07-24"
    },
    {
      "name": "ARC-AGI-1",
      "score": 97.5,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "accuracy",
      "variant": "max effort",
      "date": "2026-07-24"
    },
    {
      "name": "ARC-AGI-2",
      "score": 90.4,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "accuracy",
      "variant": "max effort",
      "date": "2026-07-24"
    },
    {
      "name": "ARC-AGI-3",
      "score": 30.2,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "RHAE",
      "variant": "high effort",
      "date": "2026-07-24"
    },
    {
      "name": "HealthBench Professional",
      "score": 59.8,
      "source": "https://www.anthropic.com/claude-opus-5-system-card",
      "metric": "score",
      "variant": "max effort",
      "date": "2026-07-24"
    }
  ],
  "release_date": "2026-07-24",
  "open_weights": false
}