Anthropic: Claude Sonnet 5
The Anthropic Claude Sonnet 5 is a language model that can process text, images, and files as input modalities. It has a maximum context length of one million tokens and supports tools for fine-tuning and reasoning. Considering its pricing, this model may be suitable for those who require the ability to handle multiple input modalities and need advanced reasoning capabilities. With a blended benchmark score of 63.9 across one independent benchmark, it holds its own in terms of performance, although further evaluation is needed to determine its true strengths and weaknesses.
Benchmark results
Independent, published benchmarks. Blended score 63.9 across 1 benchmark, last refreshed 2026-09-27. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 63.0 |
- Model ID
- anthropic/claude-sonnet-5
- Vendor
- anthropic
- Released
- June 2026
- Tokenizer
- Claude
- Input Modalities
- text, image, file
- Output Modalities
- text
- Max Output
- 128,000 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 $2.00/M input and $10.00/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.07 |
| Classify 1,000 customer emails | 500k in / 50k out | $1.50 |
| A month of a busy support chatbot | 5M in / 2M out | $30.00 |
Similar models
Anthropic: Claude Opus 5.5 (batch)
Anthropic: Claude Opus 5 (batch)
Anthropic: Claude Sonnet 5 (batch)
Anthropic: Claude Opus 4.8 (batch)
Anthropic: Claude Opus 4.7 (batch)
Anthropic: Claude Sonnet 4.6
Quick answers
- How much does Anthropic: Claude Sonnet 5 cost?
- $2.00 per million input tokens and $10.00 per million output tokens.
- What is Anthropic: Claude Sonnet 5's context window?
- 1,000,000 tokens, roughly 1,500 pages of text in a single request.
- Does Anthropic: Claude Sonnet 5 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Anthropic: Claude Sonnet 5 process images?
- Yes, it accepts image input.