Sunsetsby Glyphclaude-3-5-sonnet-20240620 retirement date and replacement
Claude API · Model · retired Oct 28, 2025 (retired)
Dates
Checked Nov 9, 2026 on Anthropic's page| Retired | Oct 28, 2025 (retired) |
|---|---|
| Announced | Aug 13, 2025 |
| Replacement | claude-sonnet-5-5 |
| What it is | claude-3-5-sonnet-20240620 stopped answering on Claude API. |
| Source | platform.claude.com/docs/en/about-claude/model-deprecations |
Changes
ReplacementUnverified
Anthropic changed the replacement for claude-3-5-sonnet-20240620 from claude-sonnet-4-6 to claude-sonnet-5-5.
Oct 10Source
Around the same time on Claude API
AnthropicretiredOct 28, 2025