Anthropic: Claude Opus 4.1
Claude Opus 4.1 from Anthropic is designed for handling diverse inputs including text, images, and files, with a context length of 200,000 tokens, making it suitable for complex tasks that require extensive contextual understanding. It supports reasoning capabilities and tools integration, enhancing its utility in various applications. With a benchmark blended score of 46.2 across multiple independent evaluations, this model is robust; however, the price point of $15 per million input tokens and $75 per million output tokens might be a consideration for those looking to balance cost with performance.
Benchmark results
Independent, published benchmarks. Blended score 45.6 across 1 benchmark, last refreshed 2026-07-27. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 46.6 |
- Model ID
- anthropic/claude-opus-4.1
- Vendor
- anthropic
- Released
- August 2025
- Tokenizer
- Claude
- Input Modalities
- image, text, file
- Output Modalities
- text
- Max Output
- 32,000 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- Audio
- no
- Moderated
- yes
What it costs in practice
Computed from the current $15.00/M input and $75.00/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.56 |
| Classify 1,000 customer emails | 500k in / 50k out | $11.25 |
| A month of a busy support chatbot | 5M in / 2M out | $225.00 |
Similar models
Claude Opus 5 (Fast)
Anthropic: Claude Fable 5
Anthropic: Claude Opus 4.8 (Fast)
Anthropic: Claude Opus 4.7 (Fast)
Anthropic: Claude Opus 4
Anthropic: Claude 3 Haiku
Quick answers
- How much does Anthropic: Claude Opus 4.1 cost?
- $15.00 per million input tokens and $75.00 per million output tokens.
- What is Anthropic: Claude Opus 4.1's context window?
- 200,000 tokens, roughly 300 pages of text in a single request.
- Does Anthropic: Claude Opus 4.1 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Anthropic: Claude Opus 4.1 process images?
- Yes, it accepts image input.