Claude Sonnet 5.5 Launches: 70.6% on Terminal-Bench 4.0, $2/$10 Pricing, and GitHub Copilot Integration
Anthropic has officially released Claude Sonnet 5.5. The model scores 70.6% on Terminal-Bench 4.0 and 82.4% on SWE-bench Verified while maintaining the $2 per million input and $10 per million output token price point. Complete evaluation matrix, Sonnet 5.5 vs Opus 5.5 breakdown, AWS Bedrock configuration, and GitHub Copilot deployment details.