releaseSEPTEMBER 2026

New language models available in Replit Agent: Claude Opus 5.5, GPT-6 Sol, and GPT-6 Luna Fast

docs.replit.comagent

Developers can now select from new models including Claude Opus 5.5 from Anthropic and GPT-6 models from OpenAI when building with Replit Agent. Model availability depends on workspace tier and configured model policies.

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acquisitionReplit acquires Atta to add inline data visualization capabilities releaseGPT-6 Sol, GPT-6 Luna Fast, and Claude Opus 5.5 now available in Replit Agent featureConnect Airwallex payment integrations via MCP in Replit featureMuse can now create and deploy apps directly to Replit featureBuild apps for Meta devices with device-specific Agent instructions releaseBuild with new OpenAI and Anthropic models including GPT-6 Sol, GPT-6 Luna Fast, and Claude Opus 5.5