OpenAI releases GPT-6 Luna at $0.10/M input and $0.50/M output, scoring 66.6% on DeepSWE to match Claude Opus 5 at 93% lower per-task operational cost.
A practical Gemini 3.7 Flash vs GPT-5.6 Luna comparison covering price, published evals, token economics, agents, Antigravity, Codex, computer use, and API limits.