Anthropic: Claude Opus 4
Claude Opus 4 from Anthropic is a powerful AI that can process text, images, and files with a context length of up to 200,000 tokens, making it suitable for complex tasks. It supports both reasoning and the use of tools, enhancing its utility across various applications. Although it offers structured output capabilities, these are not detailed in the provided facts. This model stands out as a strong contender with a blended benchmark score of 70.8 across three independent evaluations. At a price point of $15.0 per million input tokens and $75.0 per million output tokens, Claude Opus 4 is well-suited for organizations willing to invest in robust AI solutions. Its comprehensive handling of multiple modalities and strong benchmark performance make it a solid choice for those prioritizing both flexibility and reliability.
Benchmark results
Independent, published benchmarks. Blended score 70.8 across 3 benchmarks, last refreshed 2026-07-21. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| Aider Polyglot | code editing across languages | 72.0 |
| AI Index | broad capability composite | 51.1 |
| 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 Fable 5
Anthropic: Claude Opus 4.8 (Fast)
Anthropic: Claude Opus 4.7 (Fast)
Anthropic: Claude Opus 4.1
Anthropic: Claude 3 Haiku
Anthropic: Claude Opus 4.8
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.