{
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  "_file": "compute/models/model-issue-532.yaml",
  "_cluster": "compute",
  "attributes": {
    "displayName": "Claude Opus 4.8",
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    "kind": "chat",
    "contextWindowTokens": 1000000,
    "maxOutputTokens": 128000,
    "costPerMTokInput": 5,
    "costPerMTokCachedInput": 0.5,
    "costPerMTokCacheWrite5m": 6.25,
    "costPerMTokCacheWrite1h": 10,
    "costPerMTokOutput": 25,
    "supportsExtendedThinking": false,
    "supportsAdaptiveThinking": true,
    "supportsThinking": true,
    "supportsThinkingBudgetTokens": false,
    "modalities": [
      "text",
      "image"
    ],
    "modalityDirections": [
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        "kind": "text",
        "direction": "input"
      },
      {
        "kind": "image",
        "direction": "input"
      },
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        "direction": "output"
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    ],
    "releaseDate": "2026-05-28",
    "lifecycleStatus": "ga",
    "lifecycleStatusChangedAt": "2026-05-28",
    "knowledgeCutoffDate": "2026-01-01",
    "modelCardUrl": "https://www.anthropic.com/claude-opus-4-8-system-card",
    "supportsFineTuning": false,
    "regions": [
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    "providerModelIds": [
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      "anthropic.claude-opus-4-8",
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        "provider": "provider:anthropic",
        "status": "ga",
        "announcedAt": "2026-05-28",
        "modelId": "claude-opus-4-8",
        "evidenceSourceIds": [
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      },
      {
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        "status": "ga",
        "announcedAt": "2026-05-28",
        "modelId": "anthropic.claude-opus-4-8",
        "transport": "model-transport:anthropic-messages",
        "evidenceSourceIds": [
          "evidence:anthropic-bedrock-claude-opus-4-8-issue-532"
        ],
        "notes": "Anthropic documents Opus 4.8 on the Messages-API Bedrock endpoint,\nnot the legacy ARN-versioned InvokeModel/Converse table.\n"
      },
      {
        "provider": "provider:gcp-vertex",
        "status": "ga",
        "announcedAt": "2026-05-28",
        "modelId": "claude-opus-4-8",
        "transport": "model-transport:vertex-anthropic-messages",
        "evidenceSourceIds": [
          "evidence:anthropic-vertex-claude-opus-4-8-issue-532"
        ]
      }
    ],
    "releaseDateNotes": "Anthropic announced Claude Opus 4.8 on 2026-05-28 and states it is\navailable everywhere today. The model deprecations page lists the\ncurrent Opus alias as Active, with retirement not sooner than\n2027-05-28.\n"
  },
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