Claude Sonnet 4
Claude Sonnet 4 is an AI model published by Anthropic, released on 2025-05-23, for Reasoning model, and 200K context length, with a 1223.00 score on CodeClash.
Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology
Model basics
Open source & experience
Official resources
API details
| Type | Condition | Input | Output |
|---|---|---|---|
| Text | - | $3.00/ 1M | $15.00/ 1M |
| Text | Context > 200000 | $6.00/ 1M | $22.50/ 1M |
| Type | Condition | Input | Output |
|---|---|---|---|
| Text | - | $1.50/ 1M | $7.50/ 1M |
| Type | TTL | Write | Read |
|---|---|---|---|
| Text | - | $3.75/ 1M | $0.300/ 1M |
Benchmark Results
Claude Sonnet 4 currently shows benchmark results led by SWE-bench Verified (14 / 113, score 80.20), Terminal-Bench (10 / 35, score 41.30), MMLU Pro (38 / 132, 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.
General Knowledge
12 evaluationsCoding and Software Engineer
6 evaluationsMath and Reasoning
12 evaluationsWriting and Creative Capabilities
1 evaluationsAI Agent - Tool Usage
4 evaluationsAgent Level Benchmark
4 evaluationsClaw-style Agent Evaluation
2 evaluationsCompare with other models
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Publisher
Model Overview
Claude Sonnet 4 is an AI model published by Anthropic, released on 2025-05-23, for Reasoning model, and 200K context length, with a 1223.00 score on CodeClash.
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