Replit
Replit helps developers and non-coders build and deploy software entirely in the browser using AI.
Replit is a cloud-based IDE that lets developers write, run, and deploy code directly in the browser, supporting 50+ programming languages. With its AI-powered Agent (v2), non-technical users can now build complete applications by describing them in natural language—a shift toward "vibe coding." The platform combines real-time collaboration, integrated hosting, and AI-assisted development into a single workspace, enabling both individual developers and enterprises to build software faster.
Problem solved
Developers waste time setting up local development environments, managing dependencies, and deploying applications; non-technical users cannot build software without hiring engineers.
Target customer
Individual developers, coding students, small teams, enterprises, and non-technical founders looking to build applications without local setup or infrastructure management.
Founders
A
Amjad Masad
CEO
Founding engineer at Codecademy (taught 50M people to code), worked on React at Facebook, created JSRepl (2011 open-source JavaScript REPL used by Udacity and Codecademy).
F
Faris Masad
Co-founder
Jordanian programmer, co-founder alongside Amjad Masad.
H
Haya Odeh
Co-founder
Designer, co-founder of Replit.
Funding history
Pre-Seed
$120K
October 2018
Led by Y Combinator
Seed
$4.5M
October 2018
Led by Andreessen Horowitz
· Bloomberg Beta, Reach Capital
Series A
$20M
February 2021
Led by A.Capital Ventures
Series B
$80M
December 2021
Led by Coatue
Series C
$97.4M
April 2023
Led by Andreessen Horowitz
· Khosla Ventures, Coatue
Series C Add-on
$20M
November 2023
Led by Craft Ventures
Series D
$250M
September 2024
Led by Prysm Capital
Series D
$400M
March 2026
Led by Georgian
· Andreessen Horowitz, Coatue, 1789 Capital, Shaquille O'Neal, Jared Leto, Qatar Investment Authority
Total raised:
$922M
Industries
Pricing
Freemium model with four tiers: Starter (free, limited Agent trial, 10 projects, 1 vCPU/2GB RAM), Core ($20/mo, unlimited projects, 4 vCPU/8GB RAM, $25 monthly credits), Pro ($100/mo, advanced Agent modes, priority support, up to 15 builders), and Enterprise (custom, SSO/SAML, dedicated support). Usage-based credits for AI tasks ($0.10 for simple edits to $5+ for complex features) and compute.
Notable customers
Zillow (customer routing system), 100,000+ production apps hosted, 22.5 million developers
Integrations
Stripe, GitHub, Google Cloud Platform, AWS, Discord, HubSpot, Salesforce, Zapier, Google Workspace
Tech stack
Vite
npm
Protocol Buffers
ESLint
OAuth
NoSQL
SAML
Framer Motion
Pulumi
PCI DSS
SQL
Google Slides
CSS
Okta
GDPR
CCPA
X-Content-Type-Options
Lucide
Radix UI
shadcn/ui
Google Workspace
Apple iCloud Mail
Mautic
Zuora
Chargebee
Zapier
Airtable
ISO/IEC 27001
C3.js
Envoy
X-UA-Compatible
LinkedIn Sales Navigator
HubSpot CRM
ZoomInfo
QuickBooks
Quickbooks Online
Google Sheets
Looker
Power BI
LinkedIn Recruiter
Priority Hints
Reddit Ads
TikTok Pixel
Linkedin Insight Tag
Twitter Ads
Ansible
Prometheus
Grafana
Datadog
Google BigQuery
Hotjar
Google Tag Manager
Ahrefs
SEMrush
Attio
Salesforce
Eppo
React Native
Google Compute Engine
Google Cloud Platform
X-XSS-Protection
Apple Sign-in
Headless UI
Sanity
Keen-Slider
Tailwind CSS
LottieFiles
Remix
Cloudflare
HTTP/3
HSTS
Cloudflare Bot Management
Open Graph
Emotion
PWA
hCaptcha
reCAPTCHA
Kotlin
Gradle
LinkedIn
Docusaurus
Zendesk
git
Deno
Microsoft Azure
Kubernetes
Microsoft Excel
ADP
Databricks
TensorFlow
Redis
Figma
Adobe Creative Suite
Reddit
HubSpot
NetSuite
JavaScript
Discord
Ashby
GraphQL
Twitter
FedEx
SurveyMonkey
Mixpanel
Typeform
SendGrid
DBT
Microsoft
Culture Amp
Carta
Justworks
Asana
Rippling
Docker
Linux
Apache Spark
TypeScript
C++
Java
CodeMirror
PostgreSQL
Go
Scala
Amazon S3
Google Analytics
Python
Google Drive
GitHub
YouTube
Google
Android
iOS
Amazon Web Services
HTML
Webpack
Next.js
Google Docs
React
Stripe
Google Cloud
Segment
Express
Polyfill
Google Fonts API
Cloudflare CDN
Node.js
Website
Competitors
GitHub Codespaces
Cloud IDE from GitHub with VS Code integration but lacks Replit's AI-powered application generation and simplified UX for non-coders.
Glitch
Collaborative web development platform but primarily for static/simple projects, lacks Replit's advanced AI Agent and broader language support.
Vercel (Deployments)
Focused on frontend deployment and Next.js hosting, not a full IDE with AI code generation like Replit.
IDEs (VS Code, JetBrains)
Desktop/local IDEs without cloud collaboration, AI-powered full-stack app generation, or zero-setup browser-based coding.
Why this matters: Replit is at the forefront of the AI-powered development shift. With Agent v2, it's enabling non-technical users to build production software by describing ideas in natural language—a paradigm that could reshape how software is created. The company's $9B valuation (March 2026) and backing from major investors and celebrities signals massive market confidence in this vision.
Best for: Individual developers and small teams who want to code in the browser without setup, coding students learning programming, non-technical founders building MVPs with AI, and enterprises standardizing on cloud development with secure collaboration.
Use cases
Non-technical Founder Building MVP
A non-technical founder describes their app idea in natural language (e.g., 'Build a marketplace for freelance designers with payment processing'). Replit Agent v2 generates the entire stack—frontend, backend, database, and deployment. The founder can iterate by describing changes, avoiding months of hiring or learning to code.
Computer Science Class at Scale
A university teaches 500 students programming without requiring them to install compilers, IDEs, or manage dependencies. Students write code in the browser, collaborate in real-time on projects, and instructors can grade and debug code from any device. All code is hosted automatically, no local machine setup needed.
Rapid Enterprise Prototyping
An enterprise team needs to prototype a customer routing system (like Zillow's use case) in days, not weeks. Developers use Replit Agent to generate boilerplate, collaborate in real-time, and deploy to production without managing infrastructure. The AI accelerates feature implementation and debugging.
Full-Stack Startup Onboarding
A seed-stage startup hires junior developers who would normally take weeks to set up dev environments and understand the codebase. On Replit, they clone the project, start coding immediately in the browser, and the AI assists with explaining code patterns and fixing bugs in real-time.
Alternatives
GitHub Codespaces
Use if you're heavily invested in GitHub ecosystem and need VS Code experience; Replit is better for simplicity and AI-powered full-app generation.
Glitch
Use for quick static site hosting and simple Node.js projects; Replit excels at full-stack apps and AI-assisted development at any scale.
AWS Cloud9
Use if you need deep AWS integration and enterprise security; Replit is faster and more intuitive for non-engineers and rapid prototyping.
Local IDEs (VS Code + Docker)
Use for large teams with strict local control requirements; Replit removes setup friction and enables instant collaboration without installation.
FAQ
What does Replit do? +
Replit is a browser-based IDE where you write, run, and deploy code without installing anything. With AI Agent, you can describe what you want to build in plain language and the AI generates working applications. It supports 50+ languages and includes real-time collaboration, integrated hosting, and debugging tools.
How much does Replit cost? +
Starter is free (limited Agent trial, 10 projects). Core is $20/mo (unlimited projects, full Agent access, $25 credits). Pro is $100/mo (advanced Agent modes, priority support). Enterprise is custom. All plans use usage-based credits for AI tasks ($0.10 to $5+) and compute.
What are alternatives to Replit? +
GitHub Codespaces (VS Code in the cloud, GitHub-native), Glitch (web dev hosting, simpler projects), AWS Cloud9 (AWS-integrated cloud IDE), and traditional local IDEs like VS Code. None combine ease-of-use, AI generation, and zero setup as well as Replit.
Who uses Replit? +
Individual developers, students learning to code, small teams, non-technical founders building MVPs, and enterprises (e.g., Zillow). The platform has 22.5 million developers and 100,000+ production apps hosted.
How does Replit compare to GitHub Codespaces? +
Both are cloud IDEs, but Replit is simpler, browser-native, and includes AI-powered full-app generation (Agent v2). Codespaces is better if you want a full VS Code experience and deep GitHub integration. Replit is better for non-coders, students, and rapid prototyping.
Tags
cloud IDE
AI code generation
collaborative coding
browser-based development
full-stack
no-code
low-code
developer tools
education