Anthropic Claude End of Life (EOL), End of Support (EOS), EOSL, EOSS, and EOSM Dates
9 Anthropic Claude versions have reached End of Life (EOL) and End of Support (EOS), including Anthropic Claude Claude Sonnet 3.7 (EOL date: Feb 19, 2026) — no longer receiving security updates or patches. Anthropic Claude Claude Haiku 3 reaches its End of Support date on Apr 20, 2026 — plan your upgrade path now. Anthropic Claude claude-sonnet-4-6 is the current supported release — 8 versions in active support.
Currently Supported Anthropic Claude Releases - Active EOS/EOSL Support (8)
| Release | Released | Deprecated | Retired | Latest | Recommended Replacement | LTS |
|---|---|---|---|---|---|---|
| Claude Sonnet 4.6 | (2 months ago) | - | - | claude-sonnet-4-6 (2 months ago) | N/A | - |
| Claude Opus 4.6 | (2 months ago) | - | - | claude-opus-4-6 (2 months ago) | N/A | - |
| Claude Opus 4.5 | (4 months ago) | - | - | claude-opus-4-5-20251101 (4 months ago) | N/A | - |
| Claude Haiku 4.5 | (6 months ago) | - | - | claude-haiku-4-5-20251001 (6 months ago) | N/A | - |
| Claude Sonnet 4.5 | (6 months ago) | - | - | claude-sonnet-4-5-20250929 (6 months ago) | N/A | - |
| Claude Opus 4.1 | (8 months ago) | - | - | claude-opus-4-1-20250805 (8 months ago) | N/A | - |
| Claude Opus 4 | (10 months ago) | - | - | claude-opus-4-20250514 (10 months ago) | N/A | - |
| Claude Sonnet 4 | (10 months ago) | - | - | claude-sonnet-4-20250514 (10 months ago) | N/A | - |
Anthropic Claude Releases Nearing End of Life - Support Ending Soon (1)
| Release | Released | Deprecated | Retired | Latest | Recommended Replacement | LTS |
|---|---|---|---|---|---|---|
| Claude Haiku 3 | (2 years and 1 month ago) | (2 months ago) | (in 1 day) | claude-3-haiku-20240307 (2 years and 1 month ago) | claude-haiku-4-5-20251001 | - |
Anthropic Claude End of Life (EOL) Releases - No Longer Supported (9)
| Release | Released | Deprecated | Retired | Latest | Recommended Replacement | LTS |
|---|---|---|---|---|---|---|
| Claude Sonnet 3.7 | (1 year and 1 month ago) | (5 months ago) | (2 months ago) | claude-3-7-sonnet-20250219 (1 year and 1 month ago) | claude-opus-4-6 | - |
| Claude Haiku 3.5 | (1 year and 5 months ago) | (4 months ago) | (2 months ago) | claude-3-5-haiku-20241022 (1 year and 5 months ago) | claude-haiku-4-5-20251001 | - |
| Claude Sonnet 3.5 | (1 year and 9 months ago) | (8 months ago) | (5 months ago) | claude-3-5-sonnet-20241022 (1 year and 5 months ago) | claude-opus-4-6 | - |
| Claude Sonnet 3 | (2 years and 1 month ago) | (1 year and 2 months ago) | (8 months ago) | claude-3-sonnet-20240229 (2 years and 1 month ago) | claude-opus-4-6 | - |
| Claude Opus 3 | (2 years and 1 month ago) | (9 months ago) | (3 months ago) | claude-3-opus-20240229 (2 years and 1 month ago) | claude-opus-4-6 | - |
| Claude 2.1 | (2 years and 4 months ago) | (1 year and 2 months ago) | (8 months ago) | claude-2.1 | claude-opus-4-6 | - |
| Claude Instant 1 | (2 years and 8 months ago) | (1 year and 7 months ago) | (1 year and 5 months ago) | claude-instant-1.2 | claude-haiku-4-5-20251001 | - |
| Claude 2.0 | (2 years and 9 months ago) | (1 year and 2 months ago) | (8 months ago) | claude-2.0 | claude-opus-4-6 | - |
| Claude 1 | (3 years and 1 month ago) | (1 year and 7 months ago) | (1 year and 5 months ago) | claude-1.3 | claude-haiku-4-5-20251001 | - |
Anthropic Claude End of Life & Support Summary
Which Anthropic Claude Versions Are Currently Supported?
Anthropic Claude currently has 8 supported releases. Anthropic Claude claude-sonnet-4-6 is the latest. Anthropic Claude Claude Opus 4.6. Note that Anthropic Claude Claude Haiku 3 support ends on Apr 20, 2026 — plan your upgrade before then.
Anthropic Claude Versions Nearing End of Life
1 Anthropic Claude release is reaching End of Life (EOL) within 6 months. Anthropic Claude Claude Haiku 3 support ends on Apr 20, 2026. Upgrade to Anthropic Claude claude-sonnet-4-6 to stay on a supported release.
Anthropic Claude End of Life (EOL) Version History
9 Anthropic Claude releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Anthropic Claude Claude Sonnet 3.7 reached EOL on Feb 19, 2026. Anthropic Claude claude-sonnet-4-6 is the recommended upgrade for users still on End of Life versions.