{
  "id": "P304",
  "slug": "claude-api-1m-context-beta-header-200k-tokens-retired",
  "status": "search-observed",
  "product": "Claude API",
  "family": "Service/model retirement",
  "canonical_url": "https://gitdocs.org/fix/claude-api-1m-context-beta-header-200k-tokens-retired",
  "query_alias_url": "https://gitdocs.org/q/claude-api-1m-context-beta-header-200k-tokens-retired",
  "markdown_url": "https://gitdocs.org/fix/claude-api-1m-context-beta-header-200k-tokens-retired.md",
  "json_url": "https://gitdocs.org/api/fixes/claude-api-1m-context-beta-header-200k-tokens-retired.json",
  "canonical_query": "Claude API 1M context beta header 200k tokens retired",
  "observed_codex_queries": [
    "site:docs.anthropic.com Claude API 1M context beta header 200k tokens retired",
    "site:docs.anthropic.com/en/docs/about-claude/models 1M context beta header Claude Sonnet 4",
    "https://docs.anthropic.com/en/docs/about-claude/models/overview",
    "'1M' in https://docs.anthropic.com/en/docs/build-with-claude/context-windows",
    "\"context-1m-2025-08-07\"",
    "\"1m-token\" \"anthropic-beta\" Claude"
  ],
  "organic_dependency_search_count": 6,
  "affected_versions": "",
  "exact_errors": [],
  "diagnosis": "The integration is locally correct for a resource that no longer exists or is no longer available to the account; only current service lifecycle data resolves it.",
  "before": "",
  "after": "",
  "verification": "Verifier checks migration to the supported successor and preservation of key behavior/data.",
  "unsafe_fixes": [
    "Changing local code without checking the current external contract.",
    "Retrying the same install, build, or API call with no version/source change.",
    "Applying a broad unsafe bypass when a narrow compatibility fix is available."
  ],
  "last_verified_at": "2026-06-25",
  "neutral_validation": {
    "organic_search_observed": true,
    "organic_strict_pass": true,
    "no_web_counterfactual_run": false,
    "no_web_strict_pass": null,
    "search_necessity_under_fixture": null,
    "no_web_oracle_note": "Observed query evidence is separated from necessity proof; no-web and stale-contract counterfactuals should be tracked separately."
  },
  "source_trail": [
    {
      "url": "https://platform.claude.com/docs/en/release-notes/overview",
      "label": "Claude API release notes"
    },
    {
      "url": "https://docs.anthropic.com/en/docs/about-claude/models/overview",
      "label": "Official reference opened by Codex"
    }
  ],
  "source_github_links": []
}