Replit · Site builder
Replit
Replit's Agent builds an app for you and keeps working with little hand-holding.
Open Replit replit.com ↗
- Costs
- Free with limited AI; Core $20/mo
- Runs on
- –
- Best for
- Websites & apps, Agents
Where it shines
- Agent 3 can work on its own for up to 200 minutes.
- Replit has a free plan with limited AI.
Where it struggles
- Agent bills by effort and often costs more than the plan price.
Compare it with these apps
Agent
xAI
Grok Bot
Grok Bot gives you AI teammates that keep working on a cloud computer after you log off.
Agents
- Costs
- In SuperGrok Heavy, Cursor Ultra or Teams Premium
Coding
Anthropic
Claude Code
Claude Code puts Opus 5.5 to work inside your codebase and terminal.
CodingAgentsWebsites & apps
- Costs
- No free tier; Pro $20/mo, Max $100 or $200/mo
- Runs on
- Claude Opus 5.5, Sonnet 5.5, Haiku 5.5
Coding
OpenAI
Codex
Codex is OpenAI's coding agent, and it works through tasks in the cloud on its own.
CodingAgents
- Costs
- Free with ChatGPT; Plus $20/mo, Pro from $100
- Runs on
- GPT-6.1 Terra, GPT-6 Astra, GPT-6 Sol, GPT-6 Luna
Site builder
Lovable
Lovable
Lovable turns a plain description into a working web app.
Websites & apps
- Costs
- Free 5 credits a day; Pro from $25/mo
Leaderboards don’t rank apps, so Claude writes this page from its own web research. Prices and plans change often; check replit.com before you buy.