OpenAI releases GPT-6 Sol and Luna models, slashing API costs 50% or more

Publisher. VentureBeat Published. 2026-09-22 Retrieved. 2026-09-23 Reliability. secondary Original. https://venturebeat.com/technology/openai-releases-gpt-6-sol-and-luna-models-slashing-api-costs-50-or-more Archived PDF. /r/venturebeat2026openai.pdf