Replit Agent

What it does

Writes code

YesDescribing an app in chat is the entire entry path; Agent authors the project from that prompt, no prior code needed.Tell Replit Agent your app or website idea, and it builds it through chat. It's like having an engineering team on demand, with no coding experience…replit.com/products/agent ↗

Debugs and fixes

YesAgent runs a reflection loop that finds problems in the running app and lands the fix itself, rather than only reporting them.Agent tests and fixes its code, constantly improving your application behind the scenes in a reflection loop.replit.com/products/agent ↗

Writes tests

PartlyThe vendor describes browser-driven testing of the running app and a generated report, not authored test files committed to the repository.While building your app, Agent will now periodically test it using a browser, generating a report and fixing the issues it finds.replit.com/products/agent ↗

Reviews code

PartlyDocumented review is Agent checking its own output as it builds; no documented flow for reviewing a diff or pull request a person wrote.Agent reviews its own code automatically as it builds, catching mistakes and reducing costly rework—there's no setting to turn on or off.docs.replit.com/billing/managing-spend ↗

Whole-codebase work

PartlyMax Mode is positioned for larger codebases and tasks can carry dependencies, but no repository-wide migration guarantee or size limit is published.Max Mode uses more capable models for complex tasks, larger codebases, and harder problems.docs.replit.com/features/agent/agent-mo… ↗

Ships it

YesAgent does not stop at a diff: publishing puts a running instance on Replit's cloud, with custom domains and monitoring included.When you publish your Replit App, you create a published app. A published app is a running instance of your app on Replit's cloud infrastructure.docs.replit.com/learn/projects-and-arti… ↗

Done-for-you service

NoThis is self-serve software bought by subscription; Enterprise adds named advocates for adoption help, not a team that builds your app.Dedicated Product Advocate and Field Engineer: Named Replit partners who help your teams adopt Replit, scale up, and unblock.docs.replit.com/billing/plans/replit-en… ↗

How much it does unattended

Runs autonomously

PartlyBackground tasks run unattended in isolated copies, but nothing reaches your main version until you review and apply each result.Background tasks are separate threads where Agent works independently in isolated copies of your project. Background tasks do not change your main…docs.replit.com/core-concepts/agent/tas… ↗

Multi-agent

YesSeveral tasks run in parallel with automatic dependency detection and AI-assisted conflict resolution, though the ceiling varies sharply by plan.Starter does not support background tasks. Core runs 1 at a time, Pro supports up to 10, and Enterprise supports up to 64.docs.replit.com/core-concepts/agent/tas… ↗

Agent permissions

PartlyAgent edits directly in Build mode, but paid escalation needs explicit confirmation and Plan Mode gates scope before any change is made.Replit asks for confirmation before a paid action starts, and Agent returns to Free Mode afterward.docs.replit.com/help/agent-and-ai ↗

Which models it runs on

Claude

YesAnthropic models are selectable in both paid modes, with the heavier variants reserved for Max Mode rather than the cheaper Power tier.Claude Sonnet 4.6 | ✓ | ... Claude Opus 5 | | ✓docs.replit.com/features/agent/model-se… ↗

GPT

YesOpenAI GPT variants appear in the published model catalogue for both paid modes; Free Mode routes automatically and offers no picker.GPT-5.6 Luna Fast | ✓ | ... GPT-5.6 Sol | | ✓docs.replit.com/features/agent/model-se… ↗

Open models

PartlyOpen-source model providers are a real but second-class category for Agent: they exist as a provider policy and are off unless an admin turns them on.Open-source model providers are disabled by default. To make one available, select Enable all or Enable selected, then select Update.docs.replit.com/features/collaboration/… ↗

Model choice

PartlyManual model choice exists only in the paid modes on paid plans; Free Mode and Starter always defer to Replit's router.Free Mode always uses intelligent model routing. Builders on Core and Pro can choose an available model in Power Mode or Max Mode.docs.replit.com/features/agent/model-se… ↗

Where you use it

In your editor

PartlyAgent lives in Replit's own browser-based Project Editor; no plugin for a local editor such as VS Code is documented.Access version control in your Replit App by adding the Git tool to the Project Editordocs.replit.com/learn/projects-and-arti… ↗

On the command line

PartlyA full Git command line is available through the workspace Shell, and terminal MCP clients can drive Agent, but there is no local Replit CLI.Git CLI offers command-line access to all Git functionalitydocs.replit.com/learn/projects-and-arti… ↗

In your pipeline

NoThe GitHub connector is scoped to repositories, users and organizations; Replit's own connector list gives merge requests and pipelines to GitLab, not to Agent.GitHub: Access repositories, users, and organizationsdocs.replit.com/features/integrations/o… ↗

In a browser

YesThe entire product is a hosted web workspace: you sign up, chat, build and publish without installing anything locally.Tell Agent what you want to build, refine it through conversation, and launch a production-ready app from one workspace.replit.com/products/agent ↗

Whose machine it runs on

Self-hosted

NoEverything runs in Replit-operated Google Cloud projects; isolation is a dedicated single-tenant GCP project, not infrastructure you own.Replit hosts data primarily in Google Cloud Platform (GCP) data centers in the United States, with an optional hosting region in India for users who…docs.replit.com/teams/information-secur… ↗

Not established: Open source

What it costs to run

How it meters

YesBilling is a subscription plus effort-based credit consumption per completed checkpoint, with third-party model calls passed through at provider rates.Paid modes and confirmed paid work use effort-based pricing based on request complexity.docs.replit.com/billing/ai-billing ↗

Free tier

YesThe Starter plan is a standing free tier with daily Agent credits, no sales call, though Full build and connectors need Core.Starter plan users receive daily credits for Agent usage, up to a monthly cap. These credits reset daily, giving you a fresh allowance to work with…docs.replit.com/billing/plans/starter-p… ↗

API access

PartlyThe published REST API is an Enterprise-only admin beta for usage and membership data; it does not drive Agent builds.The Admin API is available only to account admins on Enterprise accounts. Account admins can create and manage API keys.docs.replit.com/teams/admin-api ↗

MCP server

YesReplit runs its own MCP server over streamable HTTP with OAuth, exposing tools that create, update and publish apps from any client.Replit MCP uses the Model Context Protocol to let you create, find, inspect, update, and publish Replit Apps from AI tools you already use.docs.replit.com/platforms/mcp-server ↗

Bring your own key

PartlyYou can supply provider keys for models your own app calls, but the inference behind Agent itself is fixed to Replit's infrastructure.You can bring your own AI provider keys for the models your app calls. The model that powers the Agent experience itself runs on Replit's…docs.replit.com/help/agent-and-ai ↗

Buying it for a team

A company can buy it

YesOrganisations buy Pro or Enterprise directly; Enterprise can be self-served from inside the product without a sales conversation.You can upgrade to Enterprise directly inside Replit. Builders on any plan — Free, Core, or Pro — can move to Enterprise without leaving the product.docs.replit.com/billing/plans/replit-en… ↗

Seat model

PartlyPro charges no per-seat fee but caps builders at fifteen; Enterprise lifts the cap, so the ceiling moves with the plan rather than the headcount.Pro has no per-seat fees: you get up to 15 builders with pooled credits and budget controls.docs.replit.com/billing/teams-billing/o… ↗

Pooled budget

YesTeam credits sit in one shared balance rather than per-person wallets, with usage tracked per workspace for attribution.Pro has no per-seat fees: you get up to 15 builders with pooled credits and budget controls. Everyone works from the same plan.docs.replit.com/billing/teams-billing/o… ↗

Admin controls

PartlyReal constraint on what builders and Agent may do — private-only publishing, banned exports, pinned geography — is an Enterprise settings pane.Ban source code export: Prevents builders from exporting app source code as a ZIP file.docs.replit.com/teams/privacy-and-deplo… ↗

Audit log

PartlyAudit logging, SIEM streaming and the prompt-retrieval compliance API exist, but only on Enterprise and only for account admins.Audit logs are available exclusively for Enterprise customers. Account admins can enable them in Settings.docs.replit.com/teams/identity-and-acce… ↗

Single sign-on

PartlySAML SSO with SCIM provisioning is an Enterprise-tier feature; Core and Pro buyers get no federated identity.SSO and SAML with SCIM provisioning: Secure, automated team access tied to your identity provider.docs.replit.com/billing/plans/replit-en… ↗

What happens to your code

Opt out of training

PartlyContent trains Replit's models by default; the opt-out switch is documented for Pro, while Enterprise content is excluded outright.This control is available to Pro users. For Enterprise users, Replit does not use customer content to train its models.docs.replit.com/legal-and-security-info… ↗

Data residency

PartlyData sits in US Google Cloud by default with an opt-in India region; EU hosting of published apps requires an Enterprise sales request.All published apps are hosted in the United States. Enterprise customers can contact sales to request their published apps to be hosted in the…docs.replit.com/learn/projects-and-arti… ↗

Getting out

PartlySource leaves cleanly as a zip or through GitHub sync, but purchased credits expire six months out and do not roll over.Expiration: Credit packs expire six months after the purchase date ... No rollover: Unused credits from a pack do not roll over after expirationdocs.replit.com/billing/managing-spend ↗

Certifications

PartlyReplit states its own SOC 2 Type 2 attestation; the ISO 27001 claim on the same page belongs to Google Cloud, not to Replit.GCP is an industry-leading cloud provider, certified for compliance with ISO 27001 and SOC 2 Type 2. Additionally, Replit has achieved SOC 2 Type 2…docs.replit.com/teams/information-secur… ↗