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Claude Sonnet 4.5 - Benchmarks, Pricing & API Access | AI Stats

Claude Sonnet 4.5

Claude Sonnet 4.5

Claude Sonnet 4.5

Anthropic

Overview Family Timeline Benchmarks Providers Quickstart Performance

Links

Key Dates

29 Sept 2025Announcement

29 Sept 2025Release

-Deprecation

-Retirement

Performance

200,000 tokensInput Context

64,000 tokensOutput Context

01 Jan 2025Knowledge Cutoff

Modalities

TextImageAudioVideo

Input

TextImageAudioVideo

Output

Other Info

-Parameters

ProprietaryLicense

-Training Tokens