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Claude
Active
Other Latest Version: claude-sonnet-4-6 Latest Release: Feb 17, 2026
Versions
18
Latest Version
claude-sonnet-4-6
Active Support
8
EOL
9
Lifecycle Timeline
Today ↓
sonnet-4.6
sonnet-4.6
opus-4.6
opus-4.6
opus-4.5
opus-4.5
haiku-4.5
haiku-4.5
sonnet-4.5
sonnet-4.5
opus-4.1
opus-4.1
sonnet-4
sonnet-4
opus-4
opus-4
sonnet-3.7
sonnet-3.7
haiku-3.5
haiku-3.5
Active SupportSecurity SupportEOL
Versions
| Release | Release Date | Active Support | EOL | Latest Version | LTS | Status |
|---|---|---|---|---|---|---|
| sonnet-4.6 | Feb 17, 2026 | Yes | No | claude-sonnet-4-6 | No | Active |
| opus-4.6 | Feb 5, 2026 | Yes | No | claude-opus-4-6 | No | Active |
| opus-4.5 | Nov 24, 2025 | Yes | No | claude-opus-4-5-20251101 | No | Active |
| haiku-4.5 | Oct 15, 2025 | Yes | No | claude-haiku-4-5-20251001 | No | Active |
| sonnet-4.5 | Sep 29, 2025 | Yes | No | claude-sonnet-4-5-20250929 | No | Active |
| opus-4.1 | Aug 5, 2025 | Yes | No | claude-opus-4-1-20250805 | No | Active |
| sonnet-4 | May 22, 2025 | Yes | No | claude-sonnet-4-20250514 | No | Active |
| opus-4 | May 22, 2025 | Yes | No | claude-opus-4-20250514 | No | Active |
| sonnet-3.7 | Feb 24, 2025 | Oct 28, 2025 | Feb 19, 2026 | claude-3-7-sonnet-20250219 | No | EOL |
| haiku-3.5 | Oct 22, 2024 | Dec 19, 2025 | Feb 19, 2026 | claude-3-5-haiku-20241022 | No | EOL |
| sonnet-3.5 | Jun 20, 2024 | Aug 13, 2025 | Oct 28, 2025 | claude-3-5-sonnet-20241022 | No | EOL |
| haiku-3 | Mar 13, 2024 | Feb 19, 2026 | Apr 20, 2026 | claude-3-haiku-20240307 | No | Security |
| opus-3 | Mar 4, 2024 | Jun 30, 2025 | Jan 5, 2026 | claude-3-opus-20240229 | No | EOL |
| sonnet-3 | Mar 4, 2024 | Jan 21, 2025 | Jul 21, 2025 | claude-3-sonnet-20240229 | No | EOL |
| claude-2.1 | Nov 21, 2023 | Jan 21, 2025 | Jul 21, 2025 | claude-2.1 | No | EOL |
| claude-instant-1 | Aug 9, 2023 | Sep 4, 2024 | Nov 6, 2024 | claude-instant-1.2 | No | EOL |
| claude-2.0 | Jul 11, 2023 | Jan 21, 2025 | Jul 21, 2025 | claude-2.0 | No | EOL |
| claude-1 | Mar 14, 2023 | Sep 4, 2024 | Nov 6, 2024 | claude-1.3 | No | EOL |
Frequently Asked Questions
Which versions of Claude have reached end of life?
The following Claude versions have reached end of life and no longer receive security updates: sonnet-3.7, haiku-3.5, sonnet-3.5, opus-3, sonnet-3, claude-2.1, claude-instant-1, claude-2.0 (and 1 more). It is recommended to upgrade to a supported version.
Is it safe to continue using Claude sonnet-3.7?
Claude sonnet-3.7 has reached end of life and no longer receives security patches or bug fixes. Continuing to use it may expose your systems to known vulnerabilities. We strongly recommend upgrading to a supported version.
What is the latest version of Claude?
The latest version of Claude is claude-sonnet-4-6, released in the sonnet-4.6 release cycle.
How many versions of Claude are currently supported?
Claude currently has 9 actively supported version(s): sonnet-4.6, opus-4.6, opus-4.5, haiku-4.5, sonnet-4.5, opus-4.1, sonnet-4, opus-4, haiku-3.
When does Claude sonnet-4.6 reach end of life?
Claude sonnet-4.6 does not have a specific end-of-life date announced yet.
What should I do when Claude reaches end of life?
When a Claude version reaches end of life, you should: 1) Plan your migration to a supported version as soon as possible. 2) Review the release notes for breaking changes. 3) Test your applications thoroughly in a staging environment. 4) Update your dependencies to ensure compatibility with the new version.