1.Replit Agent
Free + Paid
Describe an app and it builds and deploys it.
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AI Developer Tools
Best AI Developer Tools
Agents and assistants across the whole stack — from a blank prompt to a reviewed pull request, inside your existing workflow.
6 tools on this shortlist, all of them free to start. Pricing is what each tool's own site lists, so check before you buy.
Full reviews and rankings: AI Coding in the AI Tools Directory.
Top 6 AI developer tools
Ranked by our editors. Open a tool for features, pricing and alternatives.
2.v0 by Vercel
Free + PaidGenerates production React and Tailwind interfaces.
Dev ToolsVisit3.Sourcegraph Cody
Free + PaidAssistant with whole-organisation code context.
Dev ToolsVisit4.Continue
Open sourceOpen-source assistant you point at any model.
Dev ToolsVisit5.Bolt.new
Free + PaidPrompt a full-stack web app and run it in the browser.
Dev ToolsVisit6.Lovable
Free + PaidDescribe an app and get a polished, deployable product.
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Side by side
Pricing, who each tool suits and whether you can start for free.
| Tool | Pricing | Best for | Free to start |
|---|---|---|---|
| Replit Agent | Free + PaidFree tier · Core $25/mo | Non-engineers and hackers shipping working apps fast. | Yes |
| v0 by Vercel | Free + PaidFree tier · From $20/mo | React developers who want generated code, not pictures. | Yes |
| Sourcegraph Cody | Free + PaidFree tier · Pro $9/mo · Enterprise | Engineering orgs with many large repositories. | Yes |
| Continue | Open sourceFree and open source | Developers who want control over the model and their data. | Yes |
| Bolt.new | Free + PaidFree plan · Paid plans available | Founders and developers who want a working prototype fast. | Yes |
| Lovable | Free + PaidFree plan · Paid plans available | Non-developers who want to ship a real app. | Yes |
How to choose an AI developer tool
Start on a free plan
6 of 6 tools here can be started without paying (Replit Agent, v0 by Vercel and Sourcegraph Cody). Test your real work on a free plan before upgrading.
Need control or privacy? Look at open source
Continue is open source, so you can run it yourself.
Compare the features that matter
Several tools here compete on app builder, browser and mvp; check how each handles them on your own files.
Match the tool to who you are
Replit Agent is best for non-engineers and hackers shipping working apps fast; v0 by Vercel is best for react developers who want generated code, not pictures; Sourcegraph Cody is best for engineering orgs with many large repositories.
Head-to-head comparisons
Two AI developer tools side by side.
Stacks that use these tools
Ready-made tool sets for one job, in workflow order.
AI Developer Tools: common questions
What is the best AI developer tool?
Replit Agent tops our shortlist: Describe an app and it builds and deploys it. v0 by Vercel and Sourcegraph Cody are close behind. The right pick depends on your budget and workflow.
What is the best free AI developer tool?
Replit Agent is the top pick you can start on without paying (Free tier · Core $25/mo). v0 by Vercel, Sourcegraph Cody and Continue can also be started for free. Free limits change often, so check each tool's site.
Which AI developer tool is best for beginners?
Start with Replit Agent: you can try it for free, and it is best for non-engineers and hackers shipping working apps fast.
How much do AI developer tools cost?
6 of the 6 tools here can be started for free. Replit Agent: Free tier · Core $25/mo. v0 by Vercel: Free tier · From $20/mo. Sourcegraph Cody: Free tier · Pro $9/mo · Enterprise. Prices change often, so check the official site before you buy.
How did you pick these tools?
Our editors shortlist tools that do this job well, are actively maintained and are clear about pricing. No listing is paid for, and the order is editorial, not sponsored.
No listing on this page is paid for. Prices and free plans change often; each tool page links to the official site. Want full reviews? See AI Coding in the AI Tools Directory. Browse all AI bundles