Anthropic · Released Feb 17, 2026
Claude Sonnet 4.6
Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, end-to-end project management with...
- Top 10%DeepResearch Bench
- Top 27%Vending-Bench 2
- Top 35%GBAEval
- Top 36%LMCA
- Released
- Feb 17 2026
- Context window
- 1M 128K out
- Input / 1M tokens
- $3.00
- Output / 1M tokens
- $15.00
Where to run it
5 providers compared
Cheapest: Claude Platform on AWS, Anthropic, Amazon Bedrock +2 more at $3.00 / $15.00 per 1M input / output tokens — 9% less than the priciest option.
| Provider | Input | Output | Cache read | Context | Max output | Uptime | vs. best |
|---|---|---|---|---|---|---|---|
| Claude Platform on AWS | $3.00 | $15.00 | $0.30 | 1M | 128K | 100%24h | Cheapest |
| Anthropic | $3.00 | $15.00 | $0.30 | 1M | 128K | 100%24h | Cheapest |
| Amazon Bedrockglobal | $3.00 | $15.00 | $0.30 | 1M | 128K | 99.9%24h | Cheapest |
| Googleglobal | $3.00 | $15.00 | $0.30 | 1M | 128K | 99.9%24h | Cheapest |
| Azureglobal | $3.00 | $15.00 | $0.30 | 1M | 128K | 83.3%24h | Cheapest |
| Amazon Bedrockus | $3.30 | $16.50 | $0.33 | 1M | 128K | 100%24h | +10% |
| Amazon Bedrockeu-west-1 | $3.30 | $16.50 | $0.33 | 1M | 128K | 100%24h | +10% |
| Googleeurope | $3.30 | $16.50 | $0.33 | 1M | 128K | 100%24h | +10% |
| Googleus-east5 | $3.30 | $16.50 | $0.33 | 1M | 128K | 100%24h | +10% |
Value
Price vs. performance
Claude Sonnet 4.6 Other Anthropic Other labs Value frontier · GPQA Diamond vs. input price per 1M tokens (log scale) · Drag to pan, pinch or Ctrl + scroll to zoom, double-click to zoom in.
Benchmarks
24 benchmark scores
| Benchmark | Score | Rank | Leader |
|---|---|---|---|
| DeepSWESoftware engineering · Original long-horizon tasks across active open-source repos | 29.9% | #25of 26 | GPT-6 Astra74.1% |
| FrontierCodeSoftware engineering · Mergeable fixes for hard open-source issues | 24.3% | #37of 41 | Claude Opus 5.554.6% |
| SWE-bench VerifiedSoftware engineering · Real GitHub issues fixed in Python repos | 75.2% | #13of 26 | Claude Opus 4.783.5% |
| Terminal-BenchSoftware engineering · Tasks completed with the programs in a real terminal (best agent) | 53.4% | #15of 40 | GPT-5.584.7% |
| GBAEvalSoftware engineering · Build a Game Boy Advance emulator from scratch | 48.8% | #8of 23 | Claude Opus 579.6% |
| SciCodeSoftware engineering · Research-coding problems from the natural sciences | 46.8% | #57of 93 | Claude Opus 5.566.9% |
| APEX-AgentsAgents & computer use · Long professional tasks in banking, consulting and law | 43.0% | #37of 51 | Gemini 4 Argon82.4% |
| OSWorld 2.0Agents & computer use · Long real-world desktop and web tasks | 9.3% | #6of 9 | Claude Opus 531.4% |
| OSWorldAgents & computer use · Desktop and web tasks with keyboard and mouse | 72.1% | #1of 4 | This model |
| Vending-Bench 2Agents & computer use · Run a simulated vending business for a year (final balance) | $7,204 | #16of 61 | GPT-6 Astra$15,515 |
| DeepResearch BenchWriting & content · Find and synthesize information from the web | 54.9% | #2of 20 | Claude Opus 4.655.3% |
| GDP.pdfWriting & content · Answer questions about real professional PDFs | 18.0% | #25of 38 | GPT-6.1 Sol35.0% |
| SimpleQA VerifiedWriting & content · Factual accuracy on 1,000 short questions | 35.5% | #46of 66 | Gemini 4 Argon76.0% |
| WebDev ArenaDesign & visual · People vote on which model builds the better website (Elo) | 1521 | #40of 88 | Claude Opus 5.51820 |
| Blueprint-Bench 2Design & visual · Turn apartment photos into 2D floor plans | 6.7% | #27of 32 | Gemini 4 Argon54.4% |
| ExploitBenchCybersecurity · Exploit real, hardened security vulnerabilities | 23.6% | #4of 8 | GPT-5.547.4% |
| GPQA DiamondReasoning & knowledge · PhD-level biology, chemistry and physics questions | 87.4% | #52of 92 | Gemini 4 Argon96.4% |
| ARC-AGI-2Reasoning & knowledge · Few-shot abstract reasoning on grid puzzles | 60.4% | #33of 63 | GPT-6 Astra95.0% |
| ARC-AGI-1Reasoning & knowledge · Pattern induction from input–output examples | 86.5% | #40of 63 | Gemini 4 Argon98.5% |
| CritPtReasoning & knowledge · Open-ended, research-level physics problems | 3.1% | #63of 96 | GPT-5.6 Sol32.3% |
| Chess PuzzlesReasoning & knowledge · Find the single best move in 100 new puzzles | 23.0% | #52of 70 | GPT-6 Astra76.0% |
| LMCAReasoning & knowledge · Judge the quality of conceptual arguments like experts | 46.5% | #34of 96 | Claude Sonnet 5.568.3% |
| ProofBenchMaths · Graduate maths proofs verified in Lean 4 | 45.0% | #37of 70 | Claude Sonnet 5.5100.0% |
| OTIS Mock AIMEMaths · Competition-style problems harder than MATH Level 5 | 85.8% | #63of 90 | Gemini 4 Argon100.0% |
Specs
Details
- Model ID
anthropic/claude-sonnet-4.6- Developer
- Anthropic
- Release date
- Feb 17, 2026 ·
- Context window
- 1,000,000 tokens
- Max output
- 128,000 tokens
- API price
- $3.00 / $15.00 per 1M input / output tokens
- Providers
- 5
- Input types
- text, image, file
- Reasoning
- Yes
- Tool calling
- Yes
- Open weights
- No
- Free tier
- No
Release date, prices and providers from OpenRouter's catalog; buying directly from a provider can cost a little differently. Uptime is the share of OpenRouter requests each provider served over the last day. Benchmark scores are the best result per benchmark from Epoch AI, licensed CC BY 4.0. Rank counts every model tracked here with a score.