Gemini 4 Carbon vs GPT-5.6 Luna

Gemini 4 Carbon against GPT-5.6 Luna
Gemini 4 CarbonGPT-5.6 Luna
Coding index86.655.3
Benchmarks behind it Verified, 4 benchmarks Verified, 5 benchmarks
Output $/Mtok$10.00$1.20
Cost per solved taskNot computable$0.04
Context window1.05M1.05M