Claude Opus 4.1: Pricing, Context Window & Benchmarks
by Anthropic
Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains in multi-file code refactoring, debugging precision, and detail-oriented reasoning. The model supports extended thinking up to 64K tokens and is optimized for tasks involving research, data analysis, and tool-assisted reasoning.
What you can do with Claude Opus 4.1
Everyday Q&A and clear explanations
Writing help (emails, posts, summaries)
Idea generation and brainstorming
Learning support with step-by-step guidance
Composite Indices
Intelligence, Coding, Math
Standard Benchmarks
Academic and industry benchmarks
Benchmark Highlights
| Metric | Value |
|---|---|
| Provider | Anthropic |
| Context Window | 200,000 tokens |
| Input Price | $15.00/1M tokens |
| Output Price | $75.00/1M tokens |
| Release Date | Aug 5, 2025 |
| Modalities | image, text, file |
| Capabilities | Vision |
Compare Claude Opus 4.1 to other models
See how it stacks up on price, quality, and overall performance.
Frequently asked questions
What is Claude Opus 4.1 good for?
Use Claude Opus 4.1 for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does Claude Opus 4.1 cost?
Pricing is based on usage. Current rates are $15.00/1M tokens for input and $75.00/1M tokens for output.
Can I try Claude Opus 4.1 for free?
Yes. You can start a chat instantly and test the model before deciding on a plan.
Does Claude Opus 4.1 support images or audio?
Claude Opus 4.1 can understand images.
Suggested comparisons
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Benchmarks and pricing are sourced from Artificial Analysis where available. OpenRouter specs are used as a fallback.
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