Anthropic: Claude Opus 4
Claude Opus 4 by Anthropic is an advanced AI model capable of processing text, images, and files, with a context length of 200,000 tokens and support for reasoning and tools. Its structured output feature allows for more organized responses, making it versatile for various applications. With a blended benchmark score of 68.0 across three independent benchmarks, it holds solid performance; however, its price point of $15.0 per million input tokens and $75.0 per million output tokens might be considered high compared to some alternatives. This model is best suited for organizations or individuals requiring robust handling of multiple modalities and reasoning capabilities within a higher budget.
Benchmark results
Independent, published benchmarks. Blended score 68.0 across 3 benchmarks, last refreshed 2026-08-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| Aider Polyglot | code editing across languages | 72.0 |
| AI Index | broad capability composite | 42.9 |
| EQ-Bench | emotional understanding in dialogue | 68.2 |
- Model ID
- anthropic/claude-opus-4
- Vendor
- anthropic
- Released
- May 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
- no
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 Opus 4.1
Claude Opus 5 (Fast)
Anthropic: Claude Fable 5
Anthropic: Claude Opus 4.8 (Fast)
Anthropic: Claude Opus 4.7 (Fast)
Anthropic: Claude Opus 4.1 (batch)
Quick answers
- How much does Anthropic: Claude Opus 4 cost?
- $15.00 per million input tokens and $75.00 per million output tokens.
- What is Anthropic: Claude Opus 4's context window?
- 200,000 tokens, roughly 300 pages of text in a single request.
- Does Anthropic: Claude Opus 4 support tool calling?
- It supports tool calling, a reasoning mode.
- Can Anthropic: Claude Opus 4 process images?
- Yes, it accepts image input.