AI-powered development tools are revolutionizing how engineers write, test, and refine code. Among them, Codeium's Windsurf and Qodo Gen stand out as two powerful AI-driven solutions.
While both provide advanced AI-assisted coding capabilities, their approaches differ significantly—Windsurf enhances AI-driven development across multiple IDEs, whereas Qodo Gen specializes in test generation and automated code review.
But writing and testing code is only part of the equation—maintaining high-quality, reliable code is just as essential. If you're looking for a way to automate AI-powered code reviews, Greptile simplifies code quality checks by catching potential issues, enforcing best practices, and improving long-term maintainability.
This comparison will explore their key differences, strengths, and best use cases to help you choose the right AI coding assistant for your workflow.
🔍 Feature Comparison
⚡ Code Completion
Windsurf
Windsurf provides sophisticated AI-powered code completions, offering both inline and multi-line suggestions that adapt to your coding style. Its completion engine supports fill-in-the-middle (FIM) completions, allowing for smart autocompletion even in the middle of a partially written function or statement. Windsurf is particularly effective at generating boilerplate code, reusable functions, and structured code blocks, making it a powerful tool for developers working across different programming languages and frameworks. The AI models analyze the surrounding context of your code to refine and enhance suggestions, ensuring accuracy and efficiency in development workflows.
Qodo Gen
Qodo Gen focuses on speed, accuracy, and test-aware coding, providing developers with AI-driven code completions that go beyond simple suggestions. It integrates with test generation capabilities, meaning the code it suggests is often designed with testing in mind. This is particularly useful for developers working on large codebases, automated testing environments, and CI/CD workflows, where ensuring correctness at every step is crucial. Qodo Gen’s ability to understand software design patterns and predict potential testing issues makes it stand out as a specialized assistant for teams that prioritize quality assurance in software development.
💬 AI Chat
Windsurf
Windsurf's Cascade AI assistant offers an integrated chatbot that functions as both a code mentor and problem solver. The AI assistant maintains an understanding of previous interactions and project context, allowing developers to refine AI-generated code, debug issues, and get explanations without switching environments. It operates in two distinct modes:
- Write Mode, which provides direct code modifications inside the IDE based on conversational inputs.
- Chat Mode, which allows developers to ask questions about best practices, debugging, and implementation strategies.
This seamless IDE integration makes it easy for developers to interact with the AI without leaving their coding environment, improving efficiency and workflow continuity.
Qodo Gen
Qodo Gen’s AI chat system is built with a developer-first approach, offering code-centric conversations that focus on test generation, code reviews, and debugging. Its chatbot is deeply connected to Qodo Gen’s automated testing capabilities, allowing developers to get real-time feedback on potential bugs, edge cases, and performance optimizations. Unlike Windsurf’s general-purpose chat, Qodo Gen’s assistant is specialized in software quality assurance, making it an essential tool for developers and engineering teams who rely on automated testing frameworks.
🔍 Context Awareness
Windsurf
Windsurf is designed to understand the broader context of your project, analyzing local code snippets, imported libraries, and multi-file dependencies. This deep contextual awareness allows it to provide accurate function suggestions, smart refactoring options, and architectural recommendations. Its AI models continuously improve based on your coding habits and patterns, making it a great option for developers working across large-scale projects with multiple dependencies.
Qodo Gen
Qodo Gen takes context awareness a step further by integrating test-driven development (TDD) principles directly into its workflow. Its AI assistant understands pull requests, test cases, and software documentation, ensuring that code suggestions align with best practices and testing standards. This makes it particularly useful for engineering teams working on high-reliability systems, enterprise software, and automated QA environments.
🔒 Privacy & Security
Windsurf
Windsurf prioritizes developer privacy with end-to-end encryption and clear telemetry opt-out options. Users have full control over what data is shared with the AI models, ensuring that sensitive source code remains protected. Its self-hosting options provide an extra layer of security, making it ideal for enterprise teams handling proprietary codebases.
Qodo Gen
Qodo Gen enforces strong data privacy policies, ensuring that all transmitted code is encrypted and never stored beyond its immediate processing session. It also provides enterprise-grade security features, including on-premise deployments and SOC 2 compliance, making it a strong contender for security-conscious development teams.
💰 Pricing
Windsurf
- Free Plan – Basic AI assistance with limited completions and chat interactions.
- Pro Plan – $15/month, includes 500 prompt credits and enhanced AI features.
- Ultimate Plan – $60/month, offers unlimited prompt credits and priority access to premium AI models.
Qodo Gen
- Free Tier – Basic AI assistance with limited test generation features.
- Pro Tier – Paid plan includes advanced AI-assisted testing, code reviews, and extended completion features.
🏆 Verdict: Which One Should You Pick?
Both Windsurf and Qodo Gen provide powerful AI-driven development features, but their focus areas differ:
- Choose Windsurf if you need a versatile AI coding assistant with strong IDE support, deep context awareness, and flexible deployment options.
- Choose Qodo Gen if your priority is test generation, automated QA, and AI-driven code review insights.
Regardless of which tool you use, maintaining high-quality code is essential. If you're looking for a way to automate AI-powered code reviews, Greptile’s AI review system ensures better security, maintainability, and accuracy for your projects.