GPT-6 Luna is now available on every plan, including Free. GPT-6 Sol and Claude Opus 5.5 are available on paid plans only: Hobby, Standard, Pro and Enterprise. Paid plans keep eleven core models, with thirteen in total on Pro.
What's New
- GPT-6 Sol - OpenAI's newest core model for complex reasoning
- GPT-6 Luna - OpenAI's newest fast model for high-volume conversations
- Claude Opus 5.5 - Anthropic's newest Opus for careful, detailed answers
- Plan access - Free now includes GPT-5.6 Terra, GPT-5.6 Luna, GPT-6 Luna, Claude Haiku 4.5, Gemini 3.7 Flash. Paid plans also include GPT-6 Sol and Claude Opus 5.5; Pro still adds GPT-6 Astra and Claude Fable 5.1
Get Started
Open your agent's Settings, choose a new model under AI Model, save your changes, and test the result in the Playground.