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Anthropic: Claude Sonnet 5

Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...

Developer
anthropic
Input modalities
text, image, file
Output modalities
text
Context tokens
1,000,000
Latest price observation
2026-09-28
Lowest paired standard token quote
$2.00 input / $10.00 output per 1M tokens

Dated price and provider records

Provider and channelInputOutput or native rateUnit and statusSource and observation
Automatic routingopenrouter$2.00$10.001M tokenspriced · USDopenrouter2026-09-28

These are dated, non-executable observations. Verify the exact endpoint, price and terms with the source before use. Unknown values are not free.