Complete end-of-life dates, support windows, and security status for all Claude versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.
| Version | Latest Release | Release Date | EOL Date | Days | Status |
|---|---|---|---|---|---|
| claude-1.0 | — | Mar 14, 2023 | Nov 6, 2024 | 549 days past EOL | EOL |
| claude-instant-1.0 | — | Mar 14, 2023 | Nov 6, 2024 | 549 days past EOL | EOL |
| claude-1.1 | — | Mar 14, 2023 | Nov 6, 2024 | 549 days past EOL | EOL |
| claude-1.2 | — | Mar 14, 2023 | Nov 6, 2024 | 549 days past EOL | EOL |
| claude-instant-1.1 | — | Mar 31, 2023 | Nov 6, 2024 | 549 days past EOL | EOL |
| claude-1.3 | — | Apr 18, 2023 | Nov 6, 2024 | 549 days past EOL | EOL |
| claude-2.0 | — | Jul 11, 2023 | Jul 21, 2025 | 292 days past EOL | EOL |
| claude-instant-1.2 | — | Aug 9, 2023 | Nov 6, 2024 | 549 days past EOL | EOL |
| claude-2.1 | — | Nov 21, 2023 | Jul 21, 2025 | 292 days past EOL | EOL |
| claude-3-sonnet-20240229 | — | Mar 4, 2024 | Jul 21, 2025 | 292 days past EOL | EOL |
| claude-3-opus-20240229 | — | Mar 4, 2024 | Jan 5, 2026 | 124 days past EOL | EOL |
| claude-3-haiku-20240307 | — | Mar 13, 2024 | Apr 20, 2026 | 19 days past EOL | EOL |
| claude-3-5-sonnet-20240620 | — | Jun 21, 2024 | Oct 28, 2025 | 193 days past EOL | EOL |
| claude-3-5-sonnet-20241022 | — | Oct 22, 2024 | Oct 28, 2025 | 193 days past EOL | EOL |
| claude-3-5-haiku-20241022 | — | Oct 22, 2024 | Feb 19, 2026 | 79 days past EOL | EOL |
| claude-3-7-sonnet-20250219 | — | Feb 24, 2025 | Feb 19, 2026 | 79 days past EOL | EOL |
| claude-opus-4-20250514 | — | May 22, 2025 | Jun 15, 2026 | 37 days remaining | Warning |
| claude-sonnet-4-20250514 | — | May 22, 2025 | Jun 15, 2026 | 37 days remaining | Warning |
| claude-opus-4-1-20250805 | — | Aug 5, 2025 | Aug 5, 2026 | 88 days remaining | Warning |
| claude-sonnet-4-5-20250929 | — | Sep 29, 2025 | Sep 29, 2026 | 143 days remaining | Warning |
| claude-haiku-4-5-20251001 | — | Oct 15, 2025 | Oct 15, 2026 | 159 days remaining | Warning |
| claude-opus-4-5-20251101 | — | Nov 24, 2025 | Nov 24, 2026 | 199 days remaining | Active |
| claude-opus-4-6 | — | Feb 5, 2026 | Feb 5, 2027 | 272 days remaining | Active |
| claude-sonnet-4-6 | — | Feb 17, 2026 | Feb 17, 2027 | 284 days remaining | Active |
| claude-opus-4-7 | — | Apr 16, 2026 | Apr 16, 2027 | 342 days remaining | Active |
When a Claude version reaches end of life, the maintainers stop issuing security patches. Vulnerabilities discovered after this date are publicly disclosed on the National Vulnerability Database, exploit code appears on GitHub, and your systems remain permanently exposed.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the accumulation of unpatched vulnerabilities in EOL software. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no patch will ever exist. This is the most dangerous gap in enterprise security posture.
Organizations running EOL Claude should treat it as a vulnerability class in their risk register, apply compensating controls (network segmentation, enhanced monitoring, access restriction), and prioritize migration to a supported version.
Upload requirements.txt, package.json, or Gemfile — full EOL report instantly.
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