Windsurf (formerly Codeium)
Windsurf (Cognition AI)
FreemiumReplit AI
Replit
FreemiumWindsurf (formerly Codeium) vs Replit AI: Full Comparison (2026)
Windsurf (formerly Codeium) is ai-first ide with agentic cascade engine - rebranded from codeium. Replit AI is collaborative browser-based coding with built-in ai agent. Use the breakdown below to find the right fit for your needs.
This page presents factual information sourced from publicly available vendor documentation and product pages. AIHub does not endorse either product. The right tool depends on your specific use case, team, and requirements — we recommend evaluating both tools directly before making a decision.
Side-by-Side Overview
Pricing Model
Windsurf (formerly Codeium)
FreemiumReplit AI
FreemiumAPI Access
Windsurf (formerly Codeium)
Not availableReplit AI
Not availablePlatforms
Windsurf (formerly Codeium)
WebReplit AI
Web, iOS (view only), Android (view only)Integrations
Windsurf (formerly Codeium)
—Replit AI
5 integrationsVendor
Windsurf (formerly Codeium)
Windsurf (Cognition AI)Replit AI
ReplitCategory
Windsurf (formerly Codeium)
Code AssistanceReplit AI
Code AssistanceLaunch
Windsurf (formerly Codeium)
—Replit AI
2016 (platform); Oct 2023 (AI Agent)| Feature | Windsurf (formerly Codeium) | Replit AI |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| API Access | Not available | Not available |
| Platforms | Web | Web, iOS (view only), Android (view only) |
| Integrations | — | 5 integrations |
| Vendor | Windsurf (Cognition AI) | Replit |
| Category | Code Assistance | Code Assistance |
| Launch | — | 2016 (platform); Oct 2023 (AI Agent) |
About Windsurf (formerly Codeium)
Codeium rebranded to Windsurf in late 2024, launching an AI-first IDE (fork of VS Code) with Cascade - an agentic engine that can autonomously plan and execute multi-step coding tasks. Acquired by Cognition AI (makers of Devin) in May 2025 for $3B.
Designed For
- Code completion
- Agentic coding
- Refactoring
- Multi-file edits
About Replit AI
Replit is a cloud-based IDE with an AI agent (Replit Agent) that can build entire apps from natural language descriptions. It supports 50+ programming languages, hosts your code, provides a database, and deploys to the internet — all in the browser. The AI Agent can install packages, write tests, debug, and deploy autonomously.
Designed For
- Prototyping
- Education
- Collaborative coding
- Bot building
Strengths & Limitations
Windsurf (formerly Codeium)
Strengths
- Cascade agentic engine
- Free tier available
- 70+ languages
- VS Code compatible
Limitations
- New product, less mature than Cursor
- Cognition acquisition uncertainty
Replit AI
Strengths
- Zero setup
- Built-in hosting and database
- Collaborative real-time
- 50+ languages
- AI agent builds full apps
Limitations
- Performance slower than local IDE
- Free tier limited
- Not for production large apps
- Vendor lock-in
Frequently Asked Questions
What is the difference between Windsurf (formerly Codeium) and Replit AI?
Windsurf (formerly Codeium) is ai-first ide with agentic cascade engine - rebranded from codeium, while Replit AI is collaborative browser-based coding with built-in ai agent. Windsurf (formerly Codeium) is designed for Code Assistance; Replit AI is designed for Students and educators, Hobbyist developers. The right fit depends on your specific requirements.
How do the pricing models compare?
Windsurf (formerly Codeium) is available under a Freemium model. Replit AI is available under a Freemium model. Replit AI's entry tier starts at $0/mo. Always verify pricing on each vendor's official website as it may change.
What integrations does each tool support?
Windsurf (formerly Codeium) integrates with various tools. Replit AI integrates with GitHub, Google Auth, Stripe (payments in apps), Replit DB. Check each vendor's documentation for the full and current list.
How do I choose between Windsurf (formerly Codeium) and Replit AI?
Consider your team's technical requirements, budget, existing tooling, and use case before deciding. We recommend signing up for free trials or demos of both tools where available, and consulting each vendor's documentation. AIHub provides this comparison for informational purposes only.
Feature Snapshot
Explore Further
Windsurf (formerly Codeium) full detailsReplit AI full detailsWindsurf (formerly Codeium) official siteReplit AI official siteRelated Comparisons
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Data sourced from public vendor documentation. Pricing, features, and availability may change. Always verify on official vendor websites before making purchasing decisions. AIHub is not affiliated with any of the listed vendors.