Replit Agent
Replit Agent is a proprietary cloud-hosted coding environment for AI-assisted coding, built by Replit (released 2024-09). Replit Agent integrates with 3 verified models, including Claude Sonnet 4.6, Claude Opus 4.6, and Gemini 2.5 Flash. Pricing starts at Included with Replit Core (~$25/mo). It's a hosted environment accessed via browser, where teams can delegate implementation, preview changes, and move from prompt to pull request without managing local setup.
Overview
Cloud-based AI agent that builds full applications from natural language prompts within Replit's browser-based IDE, with instant deployment included.
Featured Model Specs
| Model | Lab | Released | Context | Reasoning | Open source |
|---|---|---|---|---|---|
| Claude Sonnet 4.6 | Anthropic | 2026-02-17 | 1M | Yes | No |
| Claude Opus 4.6 | Anthropic | 2026-02-05 | 1M | Yes | No |
| Gemini 2.5 Flash | Google DeepMind | 2025-06-17 | 1M | No | No |
Model Compatibility Matrix
| Model | Lab | Default | Access tier | Notes |
|---|---|---|---|---|
| Claude Sonnet 4.6 | Anthropic | Yes | Starter | Primary model for Agent |
| Claude Opus 4.6 | Anthropic | No | Core | Used for complex tasks |
| Gemini 2.5 Flash | Google DeepMind | No | Starter | Used for fast completions |
Underlying Models
Compare to Similar Harnesses
FAQ
What is Replit Agent?
Replit Agent is a proprietary cloud-hosted coding environment for AI-assisted coding, built by Replit (released 2024-09). It's a hosted environment accessed via browser, where teams can delegate implementation, preview changes, and move from prompt to pull request without managing local setup. It is primarily used for browser-based autonomous development and task delegation.
What models does Replit Agent support?
Replit Agent runs Claude Sonnet 4.6, Claude Opus 4.6, Gemini 2.5 Flash.
How much does Replit Agent cost?
Replit Agent costs Included with Replit Core (~$25/mo).
Is Replit Agent open source?
No, Replit Agent is a proprietary cloud-hosted coding environment.
What are alternatives to Replit Agent?
Alternatives include Claude Cowork, Devin, and Bolt.new.
When was Replit Agent released?
Replit Agent was released in 2024-09.