OpenAI releases GPT-6 Sol and Luna with API prices nearly halved

Elham @elhamteh_ethOriginally posted 2026.09.23

Open original on X

OpenAI just moved the line again GPT-6 Sol + Luna are here with stronger coding, better alignment, and API prices cut roughly in half More capability Lower cost Bigger scale This feels like one of those upgrades that changes what builders can actually ship https://x.com/OpenAIDevs/status/2102461432684282061/video/1?s=46