AI-powered developer tools are transforming how engineers write, debug, and optimize code. Among them, Codeium's Windsurf and Replit stand out as two powerful AI-driven coding solutions.
While both offer advanced AI code generation, their approaches and target audiences differ significantly—Windsurf enhances AI-assisted coding across various IDEs, whereas Replit provides an all-in-one cloud-based development environment.
But writing code is only half the battle—ensuring code quality and maintainability is just as important. If you're looking for an AI-powered code review tool, Greptile provides automated AI code reviews to help catch bugs, enforce best practices, and improve long-term code reliability.
This comparison will break down the key differences, helping you choose the best AI-powered coding tool for your workflow.
🔍 Feature Comparison
🚀 Code Completion
Windsurf
Windsurf offers sophisticated code completion capabilities with both inline and multi-line suggestions. It adapts to your coding style and provides context-aware completions across various development scenarios. The system supports fill-in-the-middle (FIM) completions and boilerplate code generation, making it particularly powerful for both quick fixes and complex coding tasks.
Replit
Replit's Complete Code feature provides contextual suggestions as you type, activated through tab completion. While it may not offer as many advanced features as Windsurf, it's deeply integrated into the Replit environment and provides real-time suggestions based on your current context and coding patterns.
💬 AI Chat Capabilities
Windsurf
Windsurf's Cascade feature offers an advanced agentic chatbot that maintains awareness of previous actions and context. It provides two distinct modes: Write, for direct codebase modifications, and Chat, for general discussions and inquiries. The integration within the IDE allows for seamless interaction without context switching.
Replit
Replit's AI Chat functions as an integrated assistant directly within the workspace, allowing for continuous dialogue about code-related questions. It's particularly strong in educational contexts, offering explanations and the ability to ask follow-up questions, though it may not offer the same level of action-aware agency as Windsurf's Cascade.
🔍 Context Awareness
Windsurf
Windsurf demonstrates strong context awareness through its proprietary LLMs (GPT-4o and Claude 3.5 Sonnet), which understand both the immediate code context and broader project structure. This enables more accurate and relevant suggestions across different file types and coding scenarios.
Replit
Replit's context awareness is primarily focused within its own environment, with the Replit Agent understanding project structure and dependencies. It excels at understanding the full stack of web applications and can handle environment configuration and database integration contextually.
🔒 Privacy and Security
Windsurf
Windsurf emphasizes privacy with clear opt-out options for code snippet telemetry and user control over shared data. The platform implements robust privacy measures and allows users to manage their data-sharing preferences through account settings.
Replit
While specific privacy measures aren't extensively documented, Replit processes code and prompts through their AI systems to provide functionality. Users should be aware that code is processed through their platform for features to function effectively.
💰 Pricing
Windsurf
-
Free Plan
- 5 User Prompt credits
- 5 Flow Action credits
- Cannot purchase more premium model credits
- Access to Cascade Base Model
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Pro Plan ($15/month)
- 500 User Prompt credits
- 1500 Flow Action credits
- Ability to purchase more premium model credits
- Priority unlimited access to Cascade Base Model
-
Pro Ultimate ($60/month)
- Unlimited User Prompt credits
- 3000 Flow Action credits
- Ability to purchase more premium model credits
- Priority unlimited access to Cascade Base Model
Replit AI
-
Free Plan
- Free for individuals
- Access to basic AI features
- Standard code completion
- Basic AI assistance
-
Replit Core ($15/month)
- Exclusive access to advanced AI models
- Enhanced AI features
- More powerful code generation capabilities
🏆 Verdict: Which One Should You Choose?
Both Windsurf and Replit offer powerful AI-assisted development capabilities, but they serve slightly different needs.
- Choose Windsurf if you want a comprehensive development assistant with broader IDE support, stronger context awareness, and a professional-grade AI coding experience.
- Choose Replit if you prefer an all-in-one development environment with built-in AI tools, ideal for web development, educational use, and fast iteration.
Regardless of which AI coding assistant you use, maintaining code quality is essential. If you're looking for a way to automate AI code reviews, Greptile’s AI review system ensures better security, maintainability, and accuracy for your projects.