Devin runs unattended on your real codebase. Replit Agent ships interactive apps inside Replit. Different autonomy tiers, different price tiers.
The 30-second comparison
| Devin | Replit Agent | |
|---|---|---|
| Autonomy | Fully autonomous | Semi-autonomous, watch as it builds |
| Environment | Spins up its own VM | Replit workspace |
| Best for | Real repos, real PRs | Greenfield projects, prototypes |
| Pricing | From $500/mo | Included in Replit Core ($25/mo) |
| Integrations | GitHub, Slack, Linear, Jira | Replit native; import from GitHub |
| Trust required | High (it ships unattended) | Lower (you watch every step) |
When to pick Devin
Devin is the right tool when you want to hand off a real task and check back in an hour. It runs in its own sandboxed VM, has shell + browser + editor access, and operates against your actual repo. The output is a PR you review like any other.
Best fits:
- Dependency upgrades (React 18 → 19, Stripe v3 → v4)
- Migrations (Pages Router → App Router, REST → GraphQL)
- Test coverage gap-filling
- Bug fixes with clear repro steps
The tradeoff: $500/mo entry price, and trust calibration takes weeks. Some tasks Devin nails on the first try; others spiral. You learn which is which.
When to pick Replit Agent
Replit Agent is the right tool for greenfield. Type "build me a TypeScript app that ingests a CSV and produces a dashboard" — and 10 minutes later you have a deployed Replit project you can iterate on visually.
Replit Agent is also fundamentally more interactive. You can interrupt, redirect, ask "why did you do that?" mid-build. For learning or prototyping, that's a feature.
Best fits:
- Greenfield prototypes
- Throwaway internal tools
- Learning a new framework
- Teams that already use Replit for collaborative coding
- Anyone uncomfortable with full autonomy
The honest split
If you have a Senior engineer's worth of work to delegate per month and care more about result than process: Devin. If you have lots of small "what if I built X" questions: Replit Agent. Most teams that try both end up keeping one and dropping the other — they don't overlap.
For more options, see our best coding agents 2026.