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Claude Sonnet 4 Family - Related Models & Variants | AI Stats

Claude Sonnet 4

Claude Sonnet 4

Claude Sonnet 4

Anthropic

Overview Timeline Benchmarks Providers Quickstart Performance

Claude 4.0 family

2 models

We track 2 siblings across 1 provider. Launch window May 2025 - May 2025.

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Anthropic

Anthropic

Claude Sonnet 4

Anthropic

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Family members

Dive into each sibling for pricing, benchmarks, and availability.

Anthropic

Anthropic

Claude Sonnet 4 Anthropic

Available

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Release window

May 2025

Timeline

10 months ago

Anthropic

Anthropic

Claude Opus 4 Anthropic

Available

Release window

May 2025

Timeline

10 months ago