Major Release Anthropic · Released
Claude Sonnet 4
What is Claude Sonnet 4?
Claude Sonnet 4 is a Major Release AI model from Anthropic, released on May 22, 2025. It has a 200K tokens context window, costs $3.00 per million input tokens, and scores 88.7% on MMLU. It is available via the company's API.
Claude 4 mid-tier with strong coding and long-horizon agentic reliability.
Latest generation Claude model with significant performance improvements
Key features
- Enhanced reasoning capabilities
- Improved safety measures
- Advanced multimodal understanding
- Extended context window
How much does Claude Sonnet 4 cost?
| Metric | Price |
|---|---|
| input per mtok | $3.00 |
| output per mtok | $15.00 |
Pricing data verified .
What context window does Claude Sonnet 4 have?
- Context window
- 200K tokens
- Max output
- 64K
- Input modalities
- text, image, PDF
- Output modalities
- text
How does Claude Sonnet 4 score on benchmarks?
| Benchmark | Score |
|---|---|
| SWE-bench Verified | 72.3% |
| MMLU | 88.7% |
| GPQA Diamond | 74.0% |
Benchmark scores verified .