Histic Signal https://signal.histic.us/ Technology, startups and the future from Histic Signal. en Wed, 23 Sep 2026 00:00:00 GMT GPT-6 Sol and Luna: What OpenAI's New Models Mean https://signal.histic.us/articles/gpt-6-sol-luna/ https://signal.histic.us/articles/gpt-6-sol-luna/ Wed, 23 Sep 2026 00:00:00 GMT Histic Signal Staff Artificial Intelligence OpenAI released GPT-6 Sol and Luna on September 22, 2026. Compare their intended uses, API pricing, context windows and key developer details.