Replit AI transforms how you build applications by providing intelligent, context-aware assistance throughout your development journey. Whether you’re a beginner learning to code or an experienced developer building complex features, our AI tools adapt to your needs and help you ship faster.

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What you can build

With Replit AI, you can:

  • Transform ideas into apps: Describe your vision in plain language and watch Agent build a complete application
  • Accelerate development: Get instant code explanations, intelligent autocomplete, and contextual help
  • Debug efficiently: Identify and fix issues with AI-powered analysis and suggestions
  • Learn as you build: Receive detailed explanations and best practice recommendations

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AI-powered tools

Replit AI includes two complementary services designed to support different aspects of your development workflow:

Agent

Specializes in generating new projects and building complex features.


Effort-based pricing that scales with task complexity

Assistant

Specializes in describing your code, making quick fixes, and adding new features.


Basic mode (free) and Advanced mode ( per edit)

Learn more about Agent and Assistant in the following video:

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Getting started

The fastest way to experience Replit AI is to create your first app with Agent:

  1. Start with Agent: Follow the Create with AI quickstart to build an app from scratch
  2. Explore Assistant: Use Basic mode for free explanations and Advanced mode for code modifications
  3. Set up billing: Configure usage alerts and budgets to control your AI spending

Agent and Advanced Assistant are premium features that charge your Replit account based on usage. For pricing information and billing policies, see Replit AI Billing.

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Accessing AI tools

You can access Agent and Assistant from any Replit App:

  • Search: Select the magnifying glass icon magnifying glass and search for “Agent” or “Assistant”
  • Tools dock: Find AI tools in the left sidebar of your workspace
  • File editor: Right-click code to access Assistant features directly

Agent is only available in Replit Apps created using Agent. For more information, see Replit Agent on existing Replit App.

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Key capabilities

Replit AI offers powerful features that adapt to your development style:

Complete app generation

  • Natural language descriptions become functional applications
  • Intelligent architecture decisions and best practices
  • Automatic environment setup and dependency management

Intelligent code assistance

  • Context-aware code completion and suggestions
  • Real-time error detection and debugging help
  • Code explanations and learning opportunities

Interactive development

  • Chat-based interface for complex requests
  • File attachments and web content integration
  • Rollback capabilities for safe experimentation

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Use cases

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Build a complete app with Agent

Describe your app idea in natural language and let Agent handle the implementation:

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Understand code with Assistant

Select any code in your editor and ask Assistant to explain what it does:

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Add complex integrations

Integrate payment processing, APIs, or advanced features using natural language:

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Pricing and billing

Replit AI uses transparent, usage-based pricing designed to provide value at every level:

Agent: Effort-based pricing that charges based on the complexity and scope of your requests

  • Simple changes cost less than complex builds
  • One meaningful checkpoint per request
  • Advanced capabilities available for complex projects

Assistant: Two modes to fit your needs

  • Basic mode is completely free
  • Advanced mode charges per approved edit request

Learn more about AI billing and how to manage your spend.

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Next steps

Ready to start building with AI? Choose your path:

Try Agent

Learn how to build complete apps with natural language

Explore Assistant

Discover code assistance and debugging features

View Pricing

Understand costs and set up billing controls

Quick Start

Build your first AI-powered app in minutes