Claude Sonnet 5
Claude Sonnet 5 is a chat model built by Anthropic. It is designed for tasks requiring extended reasoning and analysis.
Input
Output
Context
1000K
Max Output
128K
Parameters
-
Technical Specifications
Model TypeChat
Context Window1,000,000 tokens
Max Output Tokens128,000 tokens
ParametersNot available
Release DateJun 29, 2026
Training CutoffJan 1, 2026
Licenseproprietary
Open SourceNo
Input Modalities
ImageText
Output Modalities
Text
Capabilities
Benchmarks
Artificial Analysis
39.6%
HLE
70.7%
AA-LCR
91.1%
GPQA
53.6%
SciCode
28.2%
Tau2 Banking
71.5
Coding
53.4
Intelligence
80.5%
Terminal-Bench 2.1
89.4
Speed (tok/s)
121
TTFA (s)
121
TTFT (s)
Resources & Links
proprietary, Proprietary - API access only
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Data sourced from official provider APIs and documentation
Last updated: Jul 17, 2026
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