{
  "$schema": "https://modeldeprecations.dev/api/v1/schema.json",
  "provider": "anthropic",
  "model": "claude-3-7-sonnet-20250219",
  "name": "Claude Sonnet 3.7",
  "aliases": [
    "claude-3-7-sonnet-latest"
  ],
  "description": "The first Claude with extended thinking, and the release that made a visible reasoning budget a mainstream API feature. It was retired in February 2026, almost exactly a year after launch.",
  "released_on": "2025-02-19",
  "deprecated_on": "2025-10-28",
  "shutdown_on": "2026-02-19",
  "status": "retired",
  "replacements": [
    {
      "provider": "anthropic",
      "model": "claude-sonnet-4-6",
      "recommended": true,
      "note": "Sonnet 4.6 uses adaptive thinking rather than an explicit budget, so the thinking.budget_tokens field Sonnet 3.7 introduced no longer applies.",
      "external": false
    }
  ],
  "sources": [
    {
      "url": "https://platform.claude.com/docs/en/about-claude/model-deprecations",
      "title": "Anthropic model deprecations",
      "accessed": "2026-07-30"
    }
  ],
  "last_verified": "2026-07-30",
  "computed_status": "retired",
  "asOf": "2026-07-30"
}