release
GPT-6 Sol, GPT-6 Luna Fast, and Claude Opus 5.5 now available in Replit Agent
docs.replit.comagent
Replit Agent now supports new model versions from OpenAI (GPT-6 Sol, GPT-6 Luna Fast) and Anthropic (Claude Opus 5.5) for building and designing. Model availability depends on your Workspace tier and model policies, allowing you to choose both the model and reasoning effort in Agent settings.
Stacks this affects
Replit ships in 1 tested stack here.
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