← Releases🇺🇸OpenAI·Thu, Jul 9GPT-5.6 Luna (medium)✓CompareInput / 1M$0.20Output / 1M$1.2Blended / 1M$0.45Output speed161 tok/sTime to first token1.73sContext—BenchmarksIntelligenceⓘ38.9Codingⓘ50.7Mathⓘ—GPQAⓘ0.9MMLU-Proⓘ—LiveCodeBenchⓘ—AIMEⓘ—SciCodeⓘ0.5HLEⓘ0.3MATH-500ⓘ—