Claude Sonnet 4

Release Date: May 22, 2025     Creator: Anthropic

Claude Sonnet 4 offers improved reasoning and coding performance over earlier Sonnet models. Designed for precise, controllable outputs across structured tasks.

Model Specifications
Knowledge Cutoff
Jan 2025
Context (VividLLM)
64,000 Tokens
With a context window of 64,000 tokens, this model can 'remember' and analyze up to 96 pages of data at once. This makes it a top choice for processing technical manuals and multi-chapter reports.
Context (Native)
200,000 Tokens
Input ModalitiesTextImagePDF
Output TypeText
Max Output8192
Input Weight
2.00 x (Pro)
Output Weight
1.49 x (Pro)
Industry Benchmarks
Intelligence Index (Artificial Analysis) N/A
Coding Index (Artificial Analysis)N/A
Math Index (Artificial Analysis)N/A
Response Speed
Output Tokens per second N/A
Median Time to First Token SecondsN/A
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Benchmarks accessed via : Artificial Analysis

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