Answer · Coding
What AI models does Replit Agent use?
Replit Agent runs on Claude (Anthropic), Free Mode (Replit), GPT-5 class (OpenAI), Max Mode (Replit), Power Mode (Replit) and unspecified frontier model (unspecified), and routes requests between them.
- Models used
- 6
- Primary model
- Claude
- Public API
- Not published
- Last checked
- 2026-09-10
Model claims are labelled by how we know them: Claude — disclosed, Free Mode — inferred, GPT-5 class — disclosed, Max Mode — inferred, Power Mode — inferred and unspecified frontier model — unknown. "Disclosed" means the vendor says so in public; "inferred" means it was derived from documentation, headers or release notes.
Context window: Model-dependent.
Other stack signals: Nix, Google Cloud Run, Neon Postgres and Anthropic.
Cite this answer
Tomorrow. “What AI models does Replit Agent use?” Tomorrow AI & Emerging Tech Index, AlienSquad, updated 2026-09-10. https://tomorrow.aliensquad.ai/q/what-models-does-replit-agent-use
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