Claude Sonnet 4
Claude Sonnet 4 is an AI model published by Anthropic, released on 2025-05-23, for Reasoning model, and 200K tokens context length, with no open-source license.
Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology
| Modality | Input | Output |
|---|---|---|
| Text | $3 | $15 |
| Image | $3 | -- |
| Modality | Input cache | Output cache |
|---|---|---|
| Text | $3.75 | $0.3 |
| Image | $3.75 | -- |
Claude Sonnet 4 currently shows benchmark results led by SWE-bench Verified (9 / 103, score 80.20), LiveBench (11 / 52, score 73.82), MMLU Pro (35 / 124, score 84). This page also consolidates core specs, context limits, and API pricing so you can evaluate the model from benchmark results and deployment constraints together.
Claude Sonnet 4 is an AI model published by Anthropic, released on 2025-05-23, for Reasoning model, and 200K tokens context length, with no open-source license.
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