# Migrating off claude-3-7-sonnet-20250219

**Anthropic** retires **claude-3-7-sonnet-20250219** on **2026-02-19**.
Documented replacement: **claude-sonnet-4-6**.

Source: https://docs.anthropic.com/en/docs/about-claude/model-deprecations
Source check date not recorded.
Calendar as of 2026-09-15 UTC.

| Model | Provider | Retires | Replacement |
|---|---|---|---|
| claude-3-7-sonnet-20250219 | Anthropic | 2026-02-19 | claude-sonnet-4-6 |

Also retiring on 2026-02-19:
- claude-3-5-haiku-20241022 (Anthropic) → claude-haiku-4-5-20251001

Source: https://llmlatency.dev/migrate/anthropic-claude-3-7-sonnet-20250219