Fitten Code is a fast, free AI coding assistant from Fitten Tech supporting 80+ languages with completion, chat and debugging in major IDEs.
Fitten Code is built on Fitten Tech’s efficient code models and emphasizes speed: its completions arrive with low latency across VS Code, JetBrains, Visual Studio and more. It supports over 80 programming languages with context-aware suggestions, code explanation, bug fixing and natural language chat. The free tier is generous, and the company offers enterprise deployment with code privacy guarantees. It has become one of the most popular free coding assistants in the Chinese developer ecosystem.
Install the plugin in your IDE of choice and sign in to start receiving low-latency completions as you type. Use chat commands for explanations, bug fixes and refactoring, and configure the model settings per project.
Fitten Code is freemium: individual use is free with high limits, while enterprise plans add private deployment, team management and priority capacity.
Individual developers and engineering teams looking for a fast, free coding assistant with broad language and IDE coverage.
Yes. Fitten Code is free for individual users, providing highly usable code completion and chat capabilities.
Fitten Code offers enterprise editions and API access supporting private deployment; contact Fitten Tech’s business team for specific plans.
Compared with paid AI coding tools, Fitten Code is free and fast, with a broad user base across the Chinese developer community.
Fitten Code’s free tier is its headline advantage; advanced agentic workflows are less developed than premium competitors. It is a strong default choice for cost-sensitive individuals and teams.
Individual users get free, high-frequency completion and chat; the paid and enterprise layers cover private deployment, team management and priority capacity.
Fitten Code supports 80+ languages including Python, Java, JavaScript, Go and C++, across the major IDEs developers use daily.