Claude Sonnet 5
Claude Sonnet 5 is a current Anthropic model. Anthropic describes it as its best combination of speed and intelligence, and its API model ID is claude-sonnet-5.
Current reference
The current Anthropic models overview lists adaptive thinking, a default high effort setting, a 1M-token context window, and a 128K-token maximum output for Claude Sonnet 5. It lists pricing of $2 per million input tokens and $10 per million output tokens.
Use Anthropic's current model page for platform availability and selection guidance. This note does not rank it against other models for a particular workload.
Sources
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