All providers · 1 official entry

Claude 3 Sonnet deprecation date & shutdown status by provider

All listed entries have already been shut down.

ProviderStatusReplacementSource
Anthropic
claude-3-sonnet-20240229		claude-sonnet-4-6Official notice

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Per-provider details

Questions

When will Claude 3 Sonnet be deprecated?

Anthropic (Claude API): claude-3-sonnet-20240229 was shut down on July 21, 2025. Dates come from each provider’s official deprecation page (data verified 2026-09-26).

Is Claude 3 Sonnet deprecated?

Claude 3 Sonnet has a deprecation or retirement entry from Anthropic (Claude API). See the table on this page for the exact model IDs and dates.

What should I use instead of Claude 3 Sonnet?

The official replacements named by the providers are: claude-sonnet-4-6 (Anthropic, for claude-3-sonnet-20240229).

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