Claude Sonnet 5.5 vs Gemini 4 Carbon
A direct, empirical evaluation of Claude Sonnet 5.5 (Anthropic) against Gemini 4 Carbon (Google DeepMind).
Claude Sonnet 5.5
Developed by Anthropic · Proprietary Frontier Dynamic Hybrid Reasoner parameters
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.
Gemini 4 Carbon
Developed by Google DeepMind · Carbon-Aware Frontier Transformer on TPU v6e parameters
Sub-watt green computing, 62% energy reduction per million tokens, carbon-aware datagrid routing, and eco-tier batch execution discounts.
| Metric | Claude Sonnet 5.5 | Gemini 4 Carbon |
|---|---|---|
| SWE-bench Verified | 82.4% | 69.2% |
| MMLU-Pro | 88.4% | 84.6% |
| MATH-500 | 95.2% | 91.4% |
| Context Window | 1,000,000 tokens | 1,000,000 tokens |
| Input Pricing (per 1M) | $2.00 | $0.80 |
| Output Pricing (per 1M) | $10.00 | $2.40 |