# Anthropic Claude Sonnet 4.6 — deprecation status

> No — Claude Sonnet 4.6 is not deprecated as of July 30, 2026. Anthropic has not deprecated it, but publishes February 17, 2027 (in 202 days) as the earliest date it could be retired.

The Sonnet that replaced both Sonnet 4 and Sonnet 3.7 when those were retired, which makes it the busiest migration target in the Sonnet line. Active, with an earliest retirement of February 2027.

## Facts

| Field | Value |
| --- | --- |
| Provider | Anthropic |
| Model id | `claude-sonnet-4-6` |
| Status | Active |
| Shutdown (earliest) | February 17, 2027 (in 202 days) |
| Last verified | July 30, 2026 |

## FAQ

### When will Anthropic Claude Sonnet 4.6 shut down?

Anthropic Claude Sonnet 4.6 is scheduled to shut down on February 17, 2027, in 202 days. Anthropic publishes this as the earliest possible retirement date rather than a firm commitment, so it may move later — but not earlier.

### Is Anthropic Claude Sonnet 4.6 still available?

Yes. Anthropic Claude Sonnet 4.6 is active and fully supported as of July 30, 2026.

## Sources

- [Anthropic model deprecations](https://platform.claude.com/docs/en/about-claude/model-deprecations) — accessed 2026-07-30

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Canonical page: https://modeldeprecations.dev/anthropic/claude-sonnet-4-6
JSON: https://modeldeprecations.dev/api/v1/models/anthropic/claude-sonnet-4-6.json