AIGPT-6 Sol, GPT-6 Luna and Opus 5.5 reportedly released on September 22
A user celebrated the reported releases and said they planned to test OpenAI’s new models on September 23.
TLDR
In a September 23, 2026 post, a user said GPT-6 Sol, GPT-6 Luna and Opus 5.5 had been released the previous day. They called it one of the “coolest days in AI” and said they would test OpenAI’s new models that day.
GPT-6 Sol, GPT-6 Luna and Opus 5.5 reportedly released on September 22
A user celebrated the reported releases and said they planned to test OpenAI’s new models on September 23.
TLDR
In a September 23, 2026 post, a user said GPT-6 Sol, GPT-6 Luna and Opus 5.5 had been released the previous day. They called it one of the “coolest days in AI” and said they would test OpenAI’s new models that day.
