Anthropic: Claude Opus 4.1
The Anthropic model is designed for handling various input modalities, including text, images, and files, with a context length of up to 200,000 tokens. It supports tools and reasoning, but does not provide structured output. This model may be worth shortlisting for users who require a wide range of input types and do not prioritize free or low-cost options. At $15.0 per million input tokens and $75.0 per million output tokens, it is positioned as a more expensive solution compared to some other models on the market. The blended benchmark score of 29.8 suggests that it may be suitable for certain applications, but its standing in comparison to other models should be evaluated based on specific needs.
Benchmark results
Independent, published benchmarks. Blended score 27.4 across 1 benchmark, last refreshed 2026-10-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 30.6 |
- 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
- not 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
Anthropic: Claude Fable 5.1
Anthropic: Claude Fable 5
Anthropic: Claude Opus 4.1 (batch)
Anthropic: Claude Fable 5.1 (batch)
Anthropic: Claude Opus 5
Anthropic: Claude Fable 5 (batch)
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, a reasoning mode.
- Can Anthropic: Claude Opus 4.1 process images?
- Yes, it accepts image input.