Anthropic Claude End of Life (EOL) Dates and End of Support (EOS) Dates
27 Anthropic Claude versions have reached End of Life (EOL) and End of Support (EOS), including Anthropic Claude Claude Opus 4.1 (EOL date: Aug 05, 2026) — no longer receiving security updates or patches. Anthropic Claude Claude Sonnet 4.5 reaches its End of Support date on Sep 29, 2026 — plan your upgrade path now. Anthropic Claude Claude Opus 5 is the current supported release, with support through Jul 24, 2027 — 17 versions in active support. Also see Azure Kubernetes Service end of support life for related end-of-life information.
Currently Supported Anthropic Claude Releases - Active EOS/EOSL Support (17)
| Release | Recommended Replacement | Released | Deprecated support | Active support | Latest |
|---|---|---|---|---|---|
| Claude Opus 5 | N/A | (4 weeks and 2 days ago) | (in 11 months) | Active | - |
| Claude Sonnet 5 | N/A | (1 month and 3 weeks ago) | (in 10 months) | Active | - |
| Claude Fable 5 | N/A | (2 months ago) | (in 9 months) | Active | - |
| Claude Mythos 5 | N/A | (2 months ago) | Active | Active | - |
| Claude Opus 4.8 | N/A | (2 months ago) | (in 9 months) | Active | - |
| Claude Opus 4.7 | N/A | (4 months ago) | (in 7 months) | Active | - |
| Claude Sonnet 4.6 | N/A | (6 months ago) | (in 5 months) | Active | - |
| Claude Sonnet 4.6 | N/A | (6 months ago) | Active | Active | claude-sonnet-4-6 (6 months ago) |
| Claude Opus 4.6 | N/A | (6 months ago) | (in 5 months) | Active | - |
| Claude Opus 4.6 | N/A | (6 months ago) | Active | Active | claude-opus-4-6 (6 months ago) |
| Claude Opus 4.5 | N/A | (8 months ago) | (in 3 months) | Active | - |
| Claude Opus 4.5 | N/A | (8 months ago) | Active | Active | claude-opus-4-5-20251101 (8 months ago) |
| Claude Haiku 4.5 | N/A | (10 months ago) | Active | Active | claude-haiku-4-5-20251001 (10 months ago) |
| Claude Sonnet 4.5 | N/A | (10 months ago) | Active | Active | claude-sonnet-4-5-20250929 (10 months ago) |
| Claude Opus 4.1 | N/A | (1 year ago) | Active | Active | claude-opus-4-1-20250805 (1 year ago) |
| Claude Opus 4 | N/A | (1 year and 3 months ago) | Active | Active | claude-opus-4-20250514 (1 year and 3 months ago) |
| Claude Sonnet 4 | N/A | (1 year and 3 months ago) | Active | Active | claude-sonnet-4-20250514 (1 year and 3 months ago) |
Anthropic Claude Releases Nearing End of Life - Support Ending Soon (2)
| Release | Recommended Replacement | Released | Deprecated support | Active support | Latest |
|---|---|---|---|---|---|
| Claude Sonnet 4.5 | N/A | (10 months ago) | (in 1 month and 6 days) | Active | - |
| Claude Haiku 4.5 | N/A | (10 months ago) | (in 1 month and 3 weeks) | Active | - |
Anthropic Claude End of Life (EOL) Releases - No Longer Supported (27)
| Release | Recommended Replacement | Released | Deprecated support | Active support | Latest |
|---|---|---|---|---|---|
| Claude Opus 4.1 | claude-opus-4-8 | (1 year ago) | (2 weeks and 4 days ago) | (2 months ago) | - |
| Claude Opus 4 | claude-opus-4-8 | (1 year and 3 months ago) | (2 months ago) | (4 months ago) | - |
| Claude Sonnet 4 | claude-sonnet-4-6 | (1 year and 3 months ago) | (2 months ago) | (4 months ago) | - |
| Claude Sonnet 3.7 | claude-sonnet-4-6 | (1 year and 5 months ago) | (6 months ago) | (9 months ago) | - |
| Claude Sonnet 3.7 | claude-opus-4-6 | (1 year and 5 months ago) | (6 months ago) | (9 months ago) | claude-3-7-sonnet-20250219 (1 year and 5 months ago) |
| Claude Sonnet 3.5 (20241022) | claude-sonnet-4-6 | (1 year and 10 months ago) | (9 months ago) | (1 year ago) | - |
| Claude Haiku 3.5 | claude-haiku-4-5-20251001 | (1 year and 10 months ago) | (6 months ago) | (8 months ago) | - |
| Claude Haiku 3.5 | claude-haiku-4-5-20251001 | (1 year and 10 months ago) | (6 months ago) | (8 months ago) | claude-3-5-haiku-20241022 (1 year and 10 months ago) |
| Claude Sonnet 3.5 (20240620) | claude-sonnet-4-6 | (2 years and 2 months ago) | (9 months ago) | (1 year ago) | - |
| Claude Sonnet 3.5 | claude-opus-4-6 | (2 years and 2 months ago) | (9 months ago) | (1 year ago) | claude-3-5-sonnet-20241022 (1 year and 10 months ago) |
| Claude Haiku 3 | claude-haiku-4-5-20251001 | (2 years and 5 months ago) | (4 months ago) | (6 months ago) | - |
| Claude Haiku 3 | claude-haiku-4-5-20251001 | (2 years and 5 months ago) | (4 months ago) | (6 months ago) | claude-3-haiku-20240307 (2 years and 5 months ago) |
| Claude Sonnet 3 | claude-sonnet-4-6 | (2 years and 5 months ago) | (1 year and 1 month ago) | (1 year and 7 months ago) | - |
| Claude Opus 3 | claude-opus-4-8 | (2 years and 5 months ago) | (7 months ago) | (1 year and 1 month ago) | - |
| Claude Sonnet 3 | claude-opus-4-6 | (2 years and 5 months ago) | (1 year and 1 month ago) | (1 year and 7 months ago) | claude-3-sonnet-20240229 (2 years and 5 months ago) |
| Claude Opus 3 | claude-opus-4-6 | (2 years and 5 months ago) | (7 months ago) | (1 year and 1 month ago) | claude-3-opus-20240229 (2 years and 5 months ago) |
| Claude 2.1 | claude-opus-4-8 | (2 years and 9 months ago) | (1 year and 1 month ago) | (1 year and 7 months ago) | - |
| Claude Instant 1.2 | claude-haiku-4-5-20251001 | (3 years ago) | (1 year and 9 months ago) | (1 year and 9 months ago) | - |
| Claude Instant 1 | claude-haiku-4-5-20251001 | (3 years ago) | (1 year and 9 months ago) | (1 year and 11 months ago) | claude-instant-1.2 |
| Claude 2.0 | claude-opus-4-8 | (3 years and 1 month ago) | (1 year and 1 month ago) | (1 year and 7 months ago) | - |
| Claude 1.3 | claude-haiku-4-5-20251001 | (3 years and 4 months ago) | (1 year and 9 months ago) | (1 year and 11 months ago) | - |
| Claude Instant 1.1 | claude-haiku-4-5-20251001 | (3 years and 4 months ago) | (1 year and 9 months ago) | (1 year and 9 months ago) | - |
| Claude 1.0 | claude-haiku-4-5-20251001 | (3 years and 5 months ago) | (1 year and 9 months ago) | (1 year and 11 months ago) | - |
| Claude Instant 1.0 | claude-haiku-4-5-20251001 | (3 years and 5 months ago) | (1 year and 9 months ago) | (1 year and 11 months ago) | - |
| Claude 1.1 | claude-haiku-4-5-20251001 | (3 years and 5 months ago) | (1 year and 9 months ago) | (1 year and 11 months ago) | - |
| Claude 1.2 | claude-haiku-4-5-20251001 | (3 years and 5 months ago) | (1 year and 9 months ago) | (1 year and 11 months ago) | - |
| Claude 1 | claude-haiku-4-5-20251001 | (3 years and 5 months ago) | (1 year and 9 months ago) | (1 year and 11 months ago) | claude-1.3 |
Anthropic Claude End of Life & Support Summary
Which Anthropic Claude Versions Are Currently Supported?
Anthropic Claude currently has 17 supported releases. Anthropic Claude Claude Opus 5 is the latest, with active support through Jul 24, 2027. Anthropic Claude Claude Sonnet 5 is also supported until Jun 30, 2027. Note that Anthropic Claude Claude Sonnet 4.5 support ends on Sep 29, 2026 — plan your upgrade before then. Also see GitHub Actions Runner Images end of life for related end-of-life information.
Anthropic Claude Versions Nearing End of Life
2 Anthropic Claude releases are reaching End of Life (EOL) within 6 months. Anthropic Claude Claude Sonnet 4.5 support ends on Sep 29, 2026. Anthropic Claude Claude Haiku 4.5 follows on Oct 15, 2026. Upgrade to Anthropic Claude Claude Opus 5 to stay on a supported release.
Anthropic Claude End of Life (EOL) Version History
27 Anthropic Claude releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Anthropic Claude Claude Opus 4.1 reached EOL on Aug 05, 2026. Anthropic Claude Claude Opus 5 is the recommended upgrade for users still on End of Life versions.