vioscaleAI
Comparison

Replit vs Theia

No clear leader: Replit (64.2) and Theia (62.6) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Replit full profile →Theia full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Replit64
Theia63
Score
vioscaleAI score
Replit64 / 100medium · 73%
Theia63 / 100medium · 64%
Pricing
Free tier
Replit✓
Theia✓
Model
Replitfreemium
Theiafree
Price level
Replitmid
Theiafree
Starting price
Replit$18
Theia–
Transparent
Replit✓
Theia✓
Integrations
Count
Replit450
Theia3,000
Security
Certifications
ReplitSOC 2
Theia–
Gdpr
Replit✓
Theia–
Scorecard
Replit–
Theia5
Soc2
Replit✓
Theia–
Trust center
Vulnerabilities
Reliability
Status page
Replit✓
Theia–
Adoption
Dependent repos
Replit–
Theia324
Github stars
Replit–
Theia21,710
Activity
Commits last 30d
Replit–
Theia94
Release
Cadence days
Replit–
Theia12
History
Replit–
Theia20 items
License
Spdx
Replit–
TheiaEPL-2.0
Language
Primary
Replit–
TheiaTypeScript
Market
Availability
Content
Faq
Replit7 items
Theia6 items

Capabilities

Feature-by-feature on the axes that matter for ides & code editors. “-” means undocumented, not absent.

Core
Type
ReplitCloud IDE / CDE
TheiaFull IDE
Language scope
ReplitPolyglot
TheiaPolyglot
Deployment
Deployment
ReplitBrowser
TheiaBoth
Platform support
OS support
ReplitCross-platform via web browser
TheiaCross-platform (browser and desktop via Electron)
Base platform
ReplitOriginal
TheiaOriginal
Extensibility
Extensibility
ReplitExtension marketplace
TheiaExtension marketplace
DX
LSP / DAP support
Replit-
Theia✓
Remote / dev-containers
Replit✓
Theia-
Integrated debugger / profiler
Replit-
Theia-
Code intelligence depth
ReplitIDE-grade
TheiaLSP-grade
Built-in git integration
Replit✓
Theia-
AI
Built-in AI
ReplitNative
TheiaNative
Licensing
Openness
ReplitClosed
TheiaOpen-source
Pricing
Pricing model
ReplitPer-seat subscription
TheiaFree

What each one is

The product in its own terms, so the numbers below have context.

Replit

A cloud development environment where AI agents generate full-stack applications. Includes built-in authentication, database, hosting, and access to 450+ service integrations for rapid app development.

Independently observed

Theia

Theia IDE is an extensible, multi-language development environment for both cloud and desktop deployment. It combines integrated AI assistance with privacy-preserving architecture where users maintain full control over their code, data, and AI model choices.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Replit

from $18/moHybridFree tier

Free tier available. Core from $18/month (annual) or $20/month (monthly). Pro from $90/month (annual) or $100/month (monthly). Enterprise custom pricing.

  • FreeFree
    • Free daily usage
    • Built-in database
    • First prompt free
  • Core$18/month billed annually (or $20/month month-to-month)
    • AI integrations
    • Up to 30 hours of chat on Free Mode
    • Up to 60 projects on Free Mode
    • $20 towards most powerful models
    • Plan mode
    • +1 more
  • Pro$90/month billed annually (or $100/month month-to-month)
    • 10 parallel agents
    • Premium Support
    • Everything in Core plus
    • Enhanced Free Mode usage
    • $100 towards most powerful models
    • +3 more
  • EnterpriseContact sales
    • Enterprise-grade security and control
    • Custom seat limits
    • SSO/SAML
    • Advanced privacy controls
    • Single-tenant environments
    • +1 more
as of verify ↗

Theia

FreeFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Replit✓
Theia✓
macOS
Replit✗
Theia✓
Windows
Replit✗
Theia✓
Linux
Replit✗
Theia✓
Deployment
Cloud / SaaS
Replit✓
Theia✓
Self-hosted
Replit✗
Theia✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (2)
  • OpenAI
  • GitHub

Replit

20 total - 18 not shared
  • Stripe
  • Google Workspace
  • Slack
  • Notion
  • Google Gemini
  • Coinbase Developer Platform
  • Microsoft 365
  • Linear
  • HubSpot
  • Salesforce
  • Figma
  • Airtable
  • Shopify
  • Plaid
  • Atlassian Jira
  • Razorpay
  • Coinbase
  • Adobe
Independently observed

Theia

21 total - 19 not shared
  • Python
  • Java
  • C++
  • JavaScript
  • Go
  • YAML
  • Docker
  • ESLint
  • NPM
  • GitHub Pull Requests
  • GitLens
  • GitHub Copilot
  • Anthropic
  • Google
  • Ollama
  • Mistral
  • HuggingFace
  • Claude Code
  • VS Code Extensions
Independently observed
Still deciding?

Replit or Theia: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.