Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%), Sonnet 4 balances capability and computational efficiency, making it suitable for a broad range of applications from routine coding tasks to complex software development projects. Key enhancements include improved autonomous codebase navigation, reduced error rates in agent-driven workflows, and increased reliability in following intricate instructions. Sonnet 4 is optimized for practical everyday use, providing advanced reasoning capabilities while maintaining efficiency and responsiveness in diverse internal and external scenarios.
Read more at the [blog post here](https://www.anthropic.com/news/claude-4)
- Provider
- Anthropic
- Context Length
- 1,000,000 tokens
- Input Types
- image, text, file
- Output Types
- text
- Category
- Claude
- Added
- 5/22/2025
| Specification | Claude 3.5 Sonnet Previous | Claude Sonnet 4 Current | Change |
|---|---|---|---|
| Context Window | 200K | 1.0M | |
| Reasoning Support | |||
| Input Types | text, image, file | image, text, file | |
| Output Types | text | text | |
| Input Price (per 1M) | $6.00 | $3.00 | |
| Output Price (per 1M) | $30.00 | $15.00 |
Frequently Asked Questions
Common questions about Claude Sonnet 4