Anthropic: Claude Sonnet 4: Pricing, Context Window & Benchmarks
by Anthropic
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)
What you can do with Anthropic: Claude Sonnet 4
Everyday Q&A and clear explanations
Writing help (emails, posts, summaries)
Idea generation and brainstorming
Learning support with step-by-step guidance
Benchmarks not available
This model isn't listed on Artificial Analysis yet. Showing OpenRouter specs below.
| Metric | Value |
|---|---|
| Provider | Anthropic |
| Context Window | 1,000,000 tokens |
| Input Price | $3.00/1M tokens |
| Output Price | $15.00/1M tokens |
| Release Date | May 22, 2025 |
| Modalities | image, text, file |
| Capabilities | Function Calling, Vision |
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Frequently asked questions
What is Anthropic: Claude Sonnet 4 good for?
Use Anthropic: Claude Sonnet 4 for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does Anthropic: Claude Sonnet 4 cost?
Pricing is based on usage. Current rates are $3.00/1M tokens for input and $15.00/1M tokens for output.
Can I try Anthropic: Claude Sonnet 4 for free?
Yes. You can start a chat instantly and test the model before deciding on a plan.
Does Anthropic: Claude Sonnet 4 support images or audio?
Anthropic: Claude Sonnet 4 can understand images.
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Pricing, context, and capability data are sourced from OpenRouter.
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