Greptile AI Code Review Tool - Automated GitHub PR Review Bot with Full Codebase Understanding
Tabnine vs. Windsurf: Comparing AI Code Generation tools (2025)

Tabnine vs. Windsurf: Comparing AI Code Generation tools (2025)

January 22, 2025 (1mo ago)

Written by Everett Butler

As AI-powered developer tools continue to reshape how we write code, Tabnine and Codeium's Windsurf stand out as two prominent solutions in the market. Both offer sophisticated code generation and AI assistance capabilities, but differ significantly in their approach to privacy, deployment options, and pricing models.

This comparison will help you understand the key differences and make an informed decision for your development needs.

Feature Comparison

FeatureTabnineWindsurf
Terminal integration
Tab completion
Language agnostic
API access
Self hostable
Test generation
Real-time completions
Usage analytics
Explanations/Chat
Full codebase context
VS Code Support
JetBrains Support
NVIM Support
Models SupportedUniversal and Custom ModelsGPT-4o, Claude 3.5
PricingDev $9/mo + Enterprise $30/user/moFree + Pro $15/mo + Pro Ultimate $60/mo

Code Completion

Tabnine

Tabnine offers sophisticated code completion with whole-line and full-function suggestions. It provides context-aware completions that adapt to your coding style, and can even convert natural language comments into functional code. The system learns from your codebase and offers partial completion acceptance, allowing developers to accept suggestions line-by-line or word-by-word.

Windsurf

Windsurf provides contextually aware in-line and multi-line suggestions with support for fill-in-the-middle (FIM) completions. It specializes in providing boilerplate code and adapts to different development focuses, whether front-end, back-end, or full-stack. The system offers real-time suggestions and can be paused or snoozed as needed.

AI Chat Capabilities

Tabnine

Tabnine integrates AI chat functionality within the IDE, offering code-aware conversations and assistance. While specific details about chat capabilities are limited in the documentation, it provides comment-to-code conversions and intelligent code suggestions through its AI models.

Windsurf

Windsurf features the Cascade system, an agentic chatbot that maintains awareness of previous actions. It offers two distinct modes: Write mode for direct codebase modifications, and Chat mode for general inquiries and discussions about the codebase. The chat system is deeply integrated into the IDE experience.

Context Awareness

Tabnine

Tabnine's AI models adapt to individual coding patterns and learn from your codebase. It offers personalization capabilities that fine-tune suggestions based on project-specific needs and team-wide coding patterns. The system also provides context-aware suggestions that improve over time.

Windsurf

Windsurf maintains real-time awareness of the codebase and previous interactions. Its LLM-powered system understands the context of your code and provides relevant suggestions based on the current file and project context. The tool also demonstrates strong contextual understanding across different programming paradigms.

Privacy and Security

Tabnine

Tabnine places a strong emphasis on code privacy with multiple deployment options, including self-hosted solutions for enterprise customers. It offers protected and private Universal models, ensures code protection features, and implements provenance and attribution tracking. The system supports encrypted communications and complies with data protection regulations.

Windsurf

Windsurf implements end-to-end encryption and allows users to opt out of code snippet telemetry. While it doesn't offer self-hosted options, it maintains strict data handling protocols, and ensures no code sharing with third parties. Users have control over their data sharing preferences through account settings.

Pricing

Tabnine

  • Dev Plan
    • $9 per month
    • AI agents personalized to your coding standards
    • Integration with Atlassian Jira
    • Enterprise-grade security, safety, and privacy
  • Enterprise Plans
    • $39 per user, per month
    • SaaS and Private Installation options
    • Full control over infrastructure
    • Maximum security features

Windsurf

  • Free Plan
    • 5 User Prompt credits
    • 5 Flow Action credits
    • Cannot purchase more premium model credits
    • Access to Cascade Base Model
  • Pro Plan
    • $15 per 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 per month
    • Unlimited User Prompt credits
    • 3000 Flow Action credits
    • Ability to purchase more premium model credits
    • Priority unlimited access to Cascade Base Model

Conclusion

Both Tabnine and Windsurf offer powerful AI-assisted development capabilities, but they cater to slightly different needs. Tabnine stands out with its emphasis on privacy and security, offering self-hosted options and enterprise-grade deployments. Its adaptive AI models and personalization features make it particularly attractive for teams requiring custom solutions and maximum data control.

Windsurf, on the other hand, excels in its credit-based pricing model and advanced chat capabilities through its Cascade system. While it doesn't offer self-hosted options, it provides robust privacy controls and a more structured approach to AI assistance with its dual-mode chat system.

Ultimately, the choice between the two will largely depend on your specific needs regarding deployment flexibility, pricing structure, and the importance of self-hosted solutions.


TRY GREPTILE TODAY

AI code reviewer that understands your codebase.

Merge 50-80% faster, catch up to 3X more bugs.

14-days free, no credit card required