Anthropic: 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 Anthropic: 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
Benchmarks not available
This model isn't listed on Artificial Analysis yet. Showing OpenRouter specs below.
| 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 | Function Calling, Structured Outputs, JSON Mode, Vision |
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Frequently asked questions
What is Anthropic: Claude Opus 4.1 good for?
Use Anthropic: Claude Opus 4.1 for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does Anthropic: 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 Anthropic: Claude Opus 4.1 for free?
Yes. You can start a chat instantly and test the model before deciding on a plan.
Does Anthropic: Claude Opus 4.1 support images or audio?
Anthropic: Claude Opus 4.1 can understand images.
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Pricing, context, and capability data are sourced from OpenRouter.
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