Anthropic: Claude Opus 4.5
The Anthropic: Claude Opus 4.5 is a large language model that can process text, images, and files as input modalities. It has a long context length of 200,000 tokens and supports multiple tools for various applications, including reasoning tasks. If you're looking for a versatile AI model that can handle diverse inputs and perform complex tasks, the Anthropic: Claude Opus 4.5 might be worth considering. However, its price point is substantial, with $5.00 per million input tokens and $25.00 per million output tokens. While it has a respectable blended benchmark score of 63.9 across two independent benchmarks, its overall value will depend on your specific needs and budget constraints, making it suitable for users who require robust and flexible language processing capabilities at a premium cost.
Benchmark results
Independent, published benchmarks. Blended score 62.2 across 2 benchmarks, last refreshed 2026-10-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 39.1 |
| EQ-Bench | emotional understanding in dialogue | 76.8 |
- Model ID
- anthropic/claude-opus-4.5
- Vendor
- anthropic
- Released
- November 2025
- Tokenizer
- Claude
- Input Modalities
- file, image, text
- Output Modalities
- text
- Max Output
- 64,000 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 $5.00/M input and $25.00/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.19 |
| Classify 1,000 customer emails | 500k in / 50k out | $3.75 |
| A month of a busy support chatbot | 5M in / 2M out | $75.00 |
Similar models
Anthropic: Claude Fable 5.1 (batch)
Anthropic: Claude Opus 5
Anthropic: Claude Fable 5 (batch)
Anthropic: Claude Opus 4.8
Anthropic: Claude Opus 4.7
Anthropic: Claude Opus 4.6
Quick answers
- How much does Anthropic: Claude Opus 4.5 cost?
- $5.00 per million input tokens and $25.00 per million output tokens.
- What is Anthropic: Claude Opus 4.5's context window?
- 200,000 tokens, roughly 300 pages of text in a single request.
- Does Anthropic: Claude Opus 4.5 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Anthropic: Claude Opus 4.5 process images?
- Yes, it accepts image input.