Claude Sonnet 5.5
Terminal-Bench 4.0 execution (70.6%), SWE-bench Verified coding (82.4%), GitHub Copilot multi-file edits, and low-latency autonomous agentic coding at $2/$10 pricing.
SWE-bench Verified
82.4%
MMLU-Pro
88.4%
MATH-500
95.2%
Context Window
1,000,000 tokens
| Specification | Value |
|---|---|
| Developer / Lab | Anthropic |
| Parameters Total | Proprietary Frontier Dynamic Hybrid Reasoner |
| Parameters Active | High-Throughput Reasoning Core |
| Architecture Type | Dynamic Hybrid Reasoning Core + Adaptive Thinking Budget + Computer Use 2.0 Visual Engine |
| License | Proprietary Commercial API (Anthropic Console, AWS Bedrock, GCP Vertex AI, GitHub Copilot) |
| Input Pricing (per 1M) | $2.00 |
| Output Pricing (per 1M) | $10.00 |