{
  "name": "ChangelogRadar — AI model retirements",
  "license": "CC-BY-4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "attribution": "ChangelogRadar (changelogradar) — please link back when you reuse this data.",
  "notes": "Dates as published by each vendor on its official changelog or post (source_url). Check the source before acting.",
  "updated": "2026-11-06",
  "models": [
    {
      "provider": "Mistral",
      "surface": "Mistral API",
      "model": "mistral-ocr-4-0",
      "deprecated_on": "2026-09-29",
      "retires_on": "2026-09-30",
      "replacement": "mistral-ocr-4-1 or mistral-ocr-latest",
      "source_url": "https://docs.mistral.ai/resources/changelogs#date-2026-09-29"
    },
    {
      "provider": "GitHub",
      "surface": "GitHub Copilot",
      "model": "GPT-5 mini",
      "deprecated_on": "2026-10-19",
      "retires_on": "2026-10-19",
      "replacement": "GPT-6.1 Sol or GPT-6 Luna",
      "note": "Left most Copilot experiences; Enterprise admins may need to enable the alternatives in model policies.",
      "source_url": "https://github.blog/changelog/2026-10-19-github-copilot-models-deprecated-on-october-19-2026"
    },
    {
      "provider": "GitHub",
      "surface": "GitHub Copilot",
      "model": "GPT-5.4",
      "deprecated_on": "2026-10-19",
      "retires_on": "2026-10-19",
      "replacement": "GPT-6.1 Sol or GPT-6 Luna",
      "note": "Left most Copilot experiences; Enterprise admins may need to enable the alternatives in model policies.",
      "source_url": "https://github.blog/changelog/2026-10-19-github-copilot-models-deprecated-on-october-19-2026"
    },
    {
      "provider": "GitHub",
      "surface": "GitHub Copilot",
      "model": "GPT-5.4 mini",
      "deprecated_on": "2026-10-19",
      "retires_on": "2026-10-19",
      "replacement": "GPT-6.1 Sol or GPT-6 Luna",
      "note": "Left most Copilot experiences; Enterprise admins may need to enable the alternatives in model policies.",
      "source_url": "https://github.blog/changelog/2026-10-19-github-copilot-models-deprecated-on-october-19-2026"
    },
    {
      "provider": "GitHub",
      "surface": "GitHub Copilot",
      "model": "GPT-5.5",
      "deprecated_on": "2026-10-19",
      "retires_on": "2026-10-19",
      "replacement": "GPT-6.1 Sol or GPT-6 Luna",
      "note": "Left most Copilot experiences; Enterprise admins may need to enable the alternatives in model policies.",
      "source_url": "https://github.blog/changelog/2026-10-19-github-copilot-models-deprecated-on-october-19-2026"
    },
    {
      "provider": "GitHub",
      "surface": "GitHub Copilot",
      "model": "Gemini 3.7 Flash",
      "deprecated_on": "2026-10-19",
      "retires_on": "2026-10-19",
      "replacement": "Gemini 3.8 Flash",
      "note": "Left most Copilot experiences; Enterprise admins may need to enable the alternatives in model policies.",
      "source_url": "https://github.blog/changelog/2026-10-19-github-copilot-models-deprecated-on-october-19-2026"
    },
    {
      "provider": "GitHub",
      "surface": "GitHub Copilot",
      "model": "Grok 4.5",
      "deprecated_on": "2026-10-19",
      "retires_on": "2026-10-19",
      "replacement": "Grok 4.7",
      "note": "Left most Copilot experiences; Enterprise admins may need to enable the alternatives in model policies.",
      "source_url": "https://github.blog/changelog/2026-10-19-github-copilot-models-deprecated-on-october-19-2026"
    },
    {
      "provider": "Google",
      "surface": "Gemini API",
      "model": "deep-research-pro-preview-12-2025",
      "deprecated_on": "2026-10-08",
      "retires_on": "2026-10-23",
      "replacement": "deep-research-preview-04-2026 or deep-research-max-preview-04-2026",
      "source_url": "https://ai.google.dev/gemini-api/docs/changelog#10-08-2026"
    },
    {
      "provider": "Google",
      "surface": "Gemini API",
      "model": "gemini-embedding-2-preview",
      "deprecated_on": "2026-11-06",
      "retires_on": "2026-11-06",
      "replacement": "gemini-embedding-2",
      "note": "Requests are auto-routed to the replacement; same API schema, pricing and embedding space, so no re-indexing.",
      "source_url": "https://aistudio.google.com/docs/changelog#11-06-2026"
    },
    {
      "provider": "GitHub",
      "surface": "GitHub Copilot",
      "model": "Claude Opus 4.8",
      "deprecated_on": "2026-10-15",
      "retires_on": "2026-11-16",
      "replacement": "Claude Opus 5.5",
      "note": "Exception for individual annual-plan subscribers; see the official post.",
      "source_url": "https://github.blog/changelog/2026-10-15-upcoming-deprecation-of-selected-github-copilot-models-in-mid-november"
    },
    {
      "provider": "GitHub",
      "surface": "GitHub Copilot",
      "model": "Claude Opus 5",
      "deprecated_on": "2026-10-15",
      "retires_on": "2026-11-16",
      "replacement": "Claude Opus 5.5",
      "source_url": "https://github.blog/changelog/2026-10-15-upcoming-deprecation-of-selected-github-copilot-models-in-mid-november"
    },
    {
      "provider": "GitHub",
      "surface": "GitHub Copilot",
      "model": "GPT-5.6 Terra",
      "deprecated_on": "2026-10-15",
      "retires_on": "2026-11-16",
      "replacement": "GPT-6.1 Sol or GPT-6 Luna",
      "source_url": "https://github.blog/changelog/2026-10-15-upcoming-deprecation-of-selected-github-copilot-models-in-mid-november"
    },
    {
      "provider": "Anthropic",
      "surface": "Claude API",
      "model": "claude-opus-4-8 (fast mode)",
      "deprecated_on": "2026-10-30",
      "retires_on": "2026-11-30",
      "replacement": "Claude Opus 5.5 (fast mode)",
      "note": "Only fast mode is removed; standard Opus 4.8 requests are unaffected.",
      "source_url": "https://platform.claude.com/docs/en/release-notes/overview#october-30-2026"
    },
    {
      "provider": "Anthropic",
      "surface": "Claude API",
      "model": "claude-sonnet-4-5-20250929",
      "deprecated_on": "2026-09-30",
      "retires_on": "2026-11-30",
      "replacement": "Claude Sonnet 5.5",
      "source_url": "https://platform.claude.com/docs/en/release-notes/overview#september-30-2026"
    },
    {
      "provider": "Google",
      "surface": "Gemini API",
      "model": "gemini-2.5-flash",
      "deprecated_on": "2026-11-02",
      "retires_on": "2026-12-01",
      "replacement": "gemini-3.5-flash-lite",
      "note": "From the retirement date requests are auto-routed to the replacement and billed at its rates.",
      "source_url": "https://aistudio.google.com/docs/changelog#11-02-2026"
    },
    {
      "provider": "Google",
      "surface": "Gemini API",
      "model": "gemini-2.5-pro",
      "deprecated_on": "2026-11-02",
      "retires_on": "2026-12-01",
      "replacement": "gemini-3.8-flash",
      "note": "From the retirement date requests are auto-routed to the replacement and billed at its rates.",
      "source_url": "https://aistudio.google.com/docs/changelog#11-02-2026"
    },
    {
      "provider": "Google",
      "surface": "Gemini API",
      "model": "gemini-omni-1.1-flash",
      "deprecated_on": "2026-11-05",
      "retires_on": "2026-12-03",
      "replacement": "gemini-omni-1.2-flash",
      "note": "From the retirement date requests are auto-routed to the replacement and billed at its rates.",
      "source_url": "https://aistudio.google.com/docs/changelog#11-05-2026"
    },
    {
      "provider": "Google",
      "surface": "Gemini API",
      "model": "Antigravity agent 05-2026",
      "deprecated_on": "2026-09-17",
      "retires_on": null,
      "replacement": "antigravity-preview-09-2026",
      "note": "Local tool runners must adapt: built-in tools were renamed.",
      "source_url": "https://ai.google.dev/gemini-api/docs/changelog#09-17-2026"
    },
    {
      "provider": "Google",
      "surface": "Gemini API",
      "model": "gemini-3.1-flash-image",
      "deprecated_on": "2026-10-06",
      "retires_on": null,
      "replacement": "gemini-nano-banana-2.1",
      "note": "No shutdown date announced.",
      "source_url": "https://ai.google.dev/gemini-api/docs/changelog#10-06-2026"
    },
    {
      "provider": "Google",
      "surface": "Gemini API",
      "model": "gemini-3.5-flash",
      "deprecated_on": "2026-10-08",
      "retires_on": null,
      "replacement": "gemini-3.6-flash",
      "note": "Requests are auto-routed to the replacement.",
      "source_url": "https://ai.google.dev/gemini-api/docs/changelog#10-08-2026"
    },
    {
      "provider": "Google",
      "surface": "Gemini API",
      "model": "gemini-3.7-flash",
      "deprecated_on": "2026-10-08",
      "retires_on": null,
      "replacement": "gemini-3.8-flash",
      "note": "Requests are auto-routed to the replacement.",
      "source_url": "https://ai.google.dev/gemini-api/docs/changelog#10-08-2026"
    }
  ]
}