Claude Sonnet 5 by Anthropic ranks 29th of 354 ranked models on the Noometry Index as of October 2026, with a score of 54.6. Its strongest category is agentic & tool use, where it ranks 18th. API pricing starts at $2 per million input tokens and $10 per million output tokens, with a 1M-token context window.
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Claude Sonnet 5 by Anthropic ranks 29th of 354 ranked models on the Noometry Index as of October 2026, with a score of 54.6. Its strongest category is agentic & tool use, where it ranks 18th. API pricing starts at $2 per million input tokens and $10 per million output tokens, with a 1M-token context window.
How much does Claude Sonnet 5 cost?
Claude Sonnet 5 costs $2 per million input tokens and $10 per million output tokens on Anthropic's own API, with cached input at $0.20.
What is Claude Sonnet 5's context window?
Claude Sonnet 5 accepts up to 1M tokens of input and can write up to 128K tokens in one response.
Is Claude Sonnet 5 open source?
No. Claude Sonnet 5 is proprietary and available only through Anthropic's API and partner platforms.
What are Claude Sonnet 5's strengths and weaknesses?
Relative to other ranked models, Claude Sonnet 5 places best in coding, writing & preference, math and lowest in multimodal, long context, multilingual.
What is Claude Sonnet 5 best at?
Its best category is agentic & tool use, where it ranks 18th on Noometry.