Anthropic: Claude Sonnet 4.6
Claude Sonnet 4.6 from Anthropic is an advanced AI with a context length of one million tokens and the capability to process text, images, and files. It supports reasoning and integrates tools for more practical applications; however, structured output capabilities are not specified in its features. For those seeking robust multimodal processing and tool integration at a cost-effective price point-Claude Sonnet 4.6 stands out with its blended benchmark score of 81.4 across five independent benchmarks, making it a solid choice for users willing to pay $3.0 per million input tokens and $15.0 per million output tokens.
Benchmark results
Independent, published benchmarks. Blended score 81.4 across 5 benchmarks, last refreshed 2026-07-29. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| Aider Polyglot | code editing across languages | 61.3 |
| AI Index | broad capability composite | 77.9 |
| AI Index Coding | software engineering tasks | 100.0 |
| AI Index Agentic | multi-step tool-using tasks | 67.3 |
| EQ-Bench | emotional understanding in dialogue | 80.0 |
- Model ID
- anthropic/claude-sonnet-4.6
- Vendor
- anthropic
- Released
- February 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 $3.00/M input and $15.00/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.11 |
| Classify 1,000 customer emails | 500k in / 50k out | $2.25 |
| A month of a busy support chatbot | 5M in / 2M out | $45.00 |
Strong choice for
SQL Generation
Code Review
Code Refactoring
Bug Fixing
Unit Test Generation
Code Documentation
Category rankings
Where Anthropic: Claude Sonnet 4.6 places across the 61 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #2 | SQL GenerationCode · of 25 ranked | 184 |
| #2 | Code ReviewCode · of 25 ranked | 184 |
| #2 | Code RefactoringCode · of 25 ranked | 181 |
| #2 | Unit Test GenerationCode · of 25 ranked | 167 |
| #2 | Code DocumentationCode · of 25 ranked | 149 |
| #2 | Regex WritingCode · of 25 ranked | 140 |
| #2 | CI/CD PipelinesCode · of 25 ranked | 156 |
| #2 | Frontend Component DesignCode · of 25 ranked | 155 |
| #2 | CSV / Spreadsheet CleanupData · of 25 ranked | 163 |
| #2 | ETL ScriptingData · of 25 ranked | 168 |
| #2 | OCR / Document ParsingData · of 25 ranked | 152 |
| #2 | Table Extraction from PDFsData · of 25 ranked | 152 |
| #2 | Long-Document SummarizationWriting · of 25 ranked | 173 |
| #2 | Blog Post WritingWriting · of 25 ranked | 148 |
| #2 | Marketing CopyWriting · of 25 ranked | 136 |
| #2 | Creative WritingWriting · of 25 ranked | 173 |
| #2 | Screenwriting & DialogWriting · of 25 ranked | 173 |
| #2 | Language TranslationWriting · of 25 ranked | 140 |
| #2 | Academic WritingWriting · of 25 ranked | 173 |
| #2 | Legal DraftingProfessional · of 25 ranked | 173 |
| #2 | Legal ResearchProfessional · of 25 ranked | 185 |
| #2 | Financial AnalysisProfessional · of 25 ranked | 171 |
| #2 | Medical Note SummarizationProfessional · of 25 ranked | 168 |
| #2 | Scientific ResearchProfessional · of 25 ranked | 185 |
| #2 | Math TutoringEducation · of 25 ranked | 159 |
| #2 | Physics TutoringEducation · of 25 ranked | 160 |
| #2 | History TutoringEducation · of 25 ranked | 157 |
| #2 | Essay GradingEducation · of 25 ranked | 184 |
| #2 | Standardized Test PrepEducation · of 25 ranked | 136 |
| #2 | Sales / Cold EmailBusiness · of 25 ranked | 124 |
| #2 | Meeting NotesBusiness · of 25 ranked | 160 |
| #2 | Resume WritingBusiness · of 25 ranked | 120 |
| #2 | Job Application DraftingBusiness · of 25 ranked | 124 |
| #2 | RFP ResponseBusiness · of 25 ranked | 192 |
| #2 | SOP / Process DocsBusiness · of 25 ranked | 143 |
| #2 | OKRs & Strategic PlanningBusiness · of 25 ranked | 173 |
| #2 | Diagram ExtractionVision · of 25 ranked | 156 |
| #2 | Screenshot DebuggingVision · of 25 ranked | 149 |
| #2 | Chart & Graph ReadingVision · of 25 ranked | 160 |
| #2 | Browser AutomationAgents · of 25 ranked | 180 |
| #2 | Function / Tool CallingAgents · of 25 ranked | 159 |
| #2 | RAG PipelinesAgents · of 25 ranked | 181 |
| #2 | Long-Context Q&AAgents · of 25 ranked | 169 |
| #2 | Character RoleplayPersonal · of 25 ranked | 161 |
| #2 | Fiction CollaboratorPersonal · of 25 ranked | 185 |
| #2 | Journaling HelperPersonal · of 25 ranked | 124 |
| #2 | Recipe GenerationPersonal · of 25 ranked | 124 |
| #2 | Fitness CoachingPersonal · of 25 ranked | 143 |
| #2 | Trip PlanningPersonal · of 25 ranked | 148 |
| #2 | Tutoring for KidsPersonal · of 25 ranked | 140 |
| #2 | Math ProofsResearch · of 25 ranked | 173 |
| #2 | Literature ReviewResearch · of 25 ranked | 185 |
| #2 | Experiment DesignResearch · of 25 ranked | 170 |
| #3 | Bug FixingCode · of 25 ranked | 197 |
| #3 | Data AnalysisData · of 25 ranked | 183 |
| #3 | Contract ReviewProfessional · of 25 ranked | 197 |
| #3 | Agent WorkflowsAgents · of 25 ranked | 209 |
| #3 | Coding AgentsAgents · of 25 ranked | 209 |
| #3 | Scientific CodingResearch · of 25 ranked | 197 |
| #5 | Transcript CleanupWriting · of 25 ranked | 146 |
| #19 | Trivia & General KnowledgePersonal · of 25 ranked | 120 |
Similar models
Anthropic: Claude Sonnet 5
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Anthropic: Claude Opus 4.8 (batch)
Anthropic: Claude Opus 4.7 (batch)
Anthropic: Claude Opus 4.6 (batch)
Anthropic: Claude Opus 4.5 (batch)
Quick answers
- How much does Anthropic: Claude Sonnet 4.6 cost?
- $3.00 per million input tokens and $15.00 per million output tokens.
- What is Anthropic: Claude Sonnet 4.6's context window?
- 1,000,000 tokens, roughly 1,500 pages of text in a single request.
- Does Anthropic: Claude Sonnet 4.6 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Anthropic: Claude Sonnet 4.6 process images?
- Yes, it accepts image input.