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Docs Roadmap Tools Migrate Pricing Model Pricing Calculator Works With

Support

Contribute Database monitor Status FAQ Contact

Company

About Announcements Changelog Terms Privacy

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Models Providers Apps Rankings Playground

Claude Sonnet 4.5 Family - Related Models & Variants | AI Stats

Anthropic: Claude Sonnet 4.5

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Overview Playground Providers Pricing Performance Apps Activity Quickstart Benchmarks Family Timeline

Claude 4.5 family

3 models

We track 3 siblings across 1 provider. Launch window Sep 2025 - Nov 2025.

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Claude Sonnet 4.5

Anthropic

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Family members

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

Claude Sonnet 4.5 Anthropic

Available

Viewing now

Release window

Sep 2025

Timeline

8 months ago

Claude Opus 4.5 Anthropic

Available

Release window

Nov 2025

Timeline

6 months ago

Claude Haiku 4.5 Anthropic

Available

Release window

Oct 2025

Timeline

7 months ago