Anthropic: Claude Sonnet 5
Claude Sonnet 5 from Anthropic is a versatile AI model that can process text, images, and files, leveraging a context length of one million tokens for extensive understanding. It supports reasoning and tools integration, making it suitable for complex tasks requiring both analytical thinking and practical application. This model stands out with its robust benchmark score of 91.6 across three independent tests; however, its pricing at $2.0 per million input tokens and $10.0 per million output tokens might be a barrier for budget-conscious users. Ideal for those needing a powerful tool that can handle diverse inputs and complex reasoning tasks, despite the higher cost.
Benchmark results
Independent, published benchmarks. Blended score 91.6 across 3 benchmarks, last refreshed 2026-08-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 91.2 |
| AI Index Coding | software engineering tasks | 100.0 |
| AI Index Agentic | multi-step tool-using tasks | 82.0 |
- 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 |
Category rankings
Where Anthropic: Claude Sonnet 5 places across the 19 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #12 | Function / Tool CallingAgents · of 25 ranked | 155 |
| #18 | Diagram ExtractionVision · of 25 ranked | 150 |
| #18 | Browser AutomationAgents · of 25 ranked | 173 |
| #19 | Frontend Component DesignCode · of 25 ranked | 147 |
| #19 | Screenshot DebuggingVision · of 25 ranked | 143 |
| #19 | Chart & Graph ReadingVision · of 25 ranked | 153 |
| #20 | OCR / Document ParsingData · of 25 ranked | 147 |
| #20 | Table Extraction from PDFsData · of 25 ranked | 147 |
| #22 | Data AnalysisData · of 25 ranked | 172 |
| #22 | Financial AnalysisProfessional · of 25 ranked | 160 |
| #22 | Fitness CoachingPersonal · of 25 ranked | 135 |
| #23 | SQL GenerationCode · of 25 ranked | 172 |
| #23 | Bug FixingCode · of 25 ranked | 182 |
| #23 | Scientific CodingResearch · of 25 ranked | 182 |
| #24 | Agent WorkflowsAgents · of 25 ranked | 194 |
| #24 | Coding AgentsAgents · of 25 ranked | 194 |
| #25 | Math TutoringEducation · of 25 ranked | 148 |
| #25 | SOP / Process DocsBusiness · of 25 ranked | 137 |
| #25 | Experiment DesignResearch · of 25 ranked | 158 |
Similar models
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
Anthropic: Claude Sonnet 4.6 (batch)
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.