Tabnine

What is Tabnine?

Tabnine is an AI code completion tool differentiated by its focus on code privacy and enterprise security. Unlike GitHub Copilot which sends code to external servers, Tabnine offers fully on-premise deployment where no code ever leaves the organization's infrastructure — a critical requirement for companies in finance, healthcare, defense, and other regulated industries.

The tool integrates with every major IDE — VS Code, JetBrains (IntelliJ, PyCharm, WebStorm), Neovim, Sublime Text, Eclipse, and more — and supports over 30 programming languages including Python, JavaScript, TypeScript, Java, Go, Rust, C++, and Ruby. Tabnine's AI models are trained exclusively on permissive open-source code, meaning your completions won't contain copyrighted code snippets — reducing legal risk for enterprise users.

Beyond basic code completion, Tabnine offers full-function generation from comments, natural language to code conversion, code refactoring suggestions, test generation, documentation writing, and inline chat for asking questions about your codebase. The Pro plan's custom model training adapts to your team's coding patterns, naming conventions, and internal libraries, delivering increasingly relevant suggestions over time.

The free Basic tier provides short code completions and works locally. Pro ($12/mo per user) unlocks full-line and full-function completions, AI chat, and cloud-powered models. Enterprise plans include on-premise deployment, custom model training on private codebases, SSO, admin controls, and compliance certifications. Tabnine is the preferred choice for security-conscious organizations that cannot use cloud-based AI coding tools.

Tabnine Pricing

Basic (Free): Short code completions using a lightweight local model, basic suggestions, and IDE integration for all supported editors. No code sent to the cloud.

Pro — $12/month per user: Full-line and full-function code completions, AI chat for code questions, cloud-powered advanced models, natural language to code, test generation, and priority support.

Enterprise — Custom pricing: Everything in Pro plus on-premise deployment (no code leaves your infrastructure), custom model training on private codebases, SSO and SAML authentication, admin dashboard, usage analytics, compliance certifications, and dedicated support.

Key Features

• AI code completion — Context-aware suggestions from short completions to full functions based on surrounding code
• On-premise deployment — Run Tabnine entirely within your own infrastructure for maximum security and compliance
• Custom model training — Train AI models on your private codebase to learn team patterns and conventions
• 30+ language support — Python, JavaScript, TypeScript, Java, Go, Rust, C++, Ruby, and many more
• All major IDE support — VS Code, JetBrains suite, Neovim, Sublime Text, Eclipse, and others
• AI chat — Ask questions about your code, get explanations, and generate code from natural language
• Test generation — Automatically generate unit tests based on existing code and function signatures
• Permissive code training — Models trained exclusively on open-source code with permissive licenses
• Code refactoring — Suggestions for improving code structure, readability, and performance
• Documentation generation — Auto-generate docstrings, comments, and documentation from code

Pros & Cons

Best For

Enterprises in regulated industries (finance, healthcare, defense) that cannot send code to external servers. Security-conscious development teams that need AI assistance without compromising code privacy. Organizations concerned about code copyright and licensing who need permissive-only trained models. Large engineering teams that want customized AI coding assistance adapted to their proprietary codebase and conventions.