AI coding tools comparison

Replit Agent vs Devin Desktop

Compare Replit Agent and Devin Desktop for app creation, existing repositories, review, publication and the separate costs of building and running software.

START WITH YOUR BUYING BRIEF

Which workflow fits your team?

Consider Replit Agent when an integrated conversational app-building and publishing workspace fits the project. Consider Devin Desktop when its agent workspace and full IDE fit a repository-centred development process. Define the application’s running environment separately: a coding-agent subscription is not automatically a production hosting package.

Seven differences that change the shortlist

Replit Agent vs Devin Desktop (formerly Windsurf): plan and workflow boundaries
Buying questionReplit AgentDevin Desktop (formerly Windsurf)
Starting pointConversational app-building platformAgent workspace alongside a full IDE
App servicesReplit database, auth and integration workflowsChoose and configure the app’s required services
Review surfaceInspect the app, changes and platform behaviourInspect changes and debug within the IDE
PublicationPlatform publishing has plan and resource conditionsSpecify the intended deployment target separately
Free boundaryStarter Lite build; included app link expires after 30 daysLight desktop agent quota with limited models
Paid boundaryFull build, connectors and other features vary by planPaid quotas, models and cloud-agent scope differ
CostingAgent effort plus running app resourcesAgent plan plus the chosen app infrastructure

Four worked buying briefs

These are hypothetical scenarios with explicit assumptions. They do not establish equal capabilities, measured usability or a negotiated price.

Proposed evaluation in an authorised test repository. Record the actual tool version, account and evidence.
RequirementProposed exerciseAccept when
App briefCan the team implement one required user journey?The owner can complete the journey and inspect its stored outcome.
External dependencyDoes the chosen plan allow the needed service connection?The dependency and its operator are explicit.
Publication boundaryWhat does the app need to remain available after the pilot?Availability does not depend on an overlooked trial or temporary link.
Maintenance handoverCan a second owner review and change the app?The second owner can perform a scoped follow-up change.

App brief

Can the team implement one required user journey?

Replit Agent: Build the defined journey in a permitted Replit workspace.

Devin Desktop (formerly Windsurf): Implement the same journey in a test repository.

The owner can complete the journey and inspect its stored outcome.

External dependency

Does the chosen plan allow the needed service connection?

Replit Agent: Check the actual connector and integration entitlement.

Devin Desktop (formerly Windsurf): Check the implementation and credentials for the chosen service.

The dependency and its operator are explicit.

Publication boundary

What does the app need to remain available after the pilot?

Replit Agent: Record the retained publishing plan and expiry conditions.

Devin Desktop (formerly Windsurf): Specify deployment target, operations and recurring services.

Availability does not depend on an overlooked trial or temporary link.

Maintenance handover

Can a second owner review and change the app?

Replit Agent: Review workspace access, app files and service ownership.

Devin Desktop (formerly Windsurf): Review repository, IDE and deployment ownership.

The second owner can perform a scoped follow-up change.

Separate creating the application from operating it

Replit connects Agent work with platform services and publishing, but the retained account still determines what is included. Starter currently limits Agent to Lite build and its included published-app link goes down after 30 days. Confirm the paid arrangement needed for the intended operation.

Devin Desktop provides an agent workspace and IDE; name the actual infrastructure and deployment process in your brief. Treat databases, external APIs, backups and operational ownership as part of the application decision on both sides.

Make the handover a buying requirement

Use an ordinary app journey with a stored record, a permitted change and a second maintainer. Keep credentials out of the written evaluation and assign service accounts to the intended owner.

A generated preview is an intermediate result. Record how another person reviews the code, changes the app and maintains the services after the original build session ends. This comparison does not claim completed deployment or security tests.

Questions before you choose

Does Replit Starter provide indefinite free app publishing?

Its current included published-app link goes down after 30 days. Confirm current plan, app and resource terms for retained operation.

Does Devin Desktop include my application’s production hosting?

Do not assume so. Specify the actual hosting, database and operating services separately from the coding-agent account.

Are the products identical alternatives?

No. The shared buying need is agent-assisted app development, but their workspace and operating boundaries differ. Compare the same user journey and maintenance handover.

Your practical evaluation pack

Download the coding-agent evaluation checklist (CSV)

Four proposed exercises with blank evidence, retained account, outcome and owner fields.

Turn the comparison into your own evaluation

Use the same criteria and priorities for both products, keep unknowns unassessed and record the plan and evidence behind your ratings.

Build a Replit Agent vs Devin Desktop (formerly Windsurf) scorecard →

Keep the assumptions with the figures

Use the date, billing cycle, units and limits with each example. Check current account terms before purchasing. Unverified prices and model costs stay unpriced.

Download the buying examples as JSON ↓

Share the comparison

Use these examples when discussing the shortlist with your team.