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This may take a moment. We're preparing the latest results.
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Claude Sonnet 5 is Anthropic's most capable Sonnet-class model, designed to be the most agentic Sonnet yet. It can make plans, use tools like browsers and terminals, and run autonomously at a level previously requiring larger and more expensive models. Sonnet 5 narrows the gap with Opus 4.8 on agentic tasks including reasoning, tool use, coding, and knowledge work, while offering lower pricing. It supports adaptive thinking with selectable reasoning effort levels and is available across all Claude plans and the Claude API.
Evaluations
7
across 7 benchmarks
Median latency
2.2s
Context length
1M
tokens
Cost
$2 · $10
input · output per 1M tokens
Key takeaways
Key takeaways will appear here once evaluations are run.
Technical specifications
