Tabnine
Windsurf
| Feature | Tabnine | Windsurf |
|---|---|---|
| Pricing | Free / from $12/mo | Free / from $15/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.2 / 5 | 4.5 / 5 |
| Best For | enterprise, security-conscious-teams, regulated-industries, developers | developers, startups, freelancers, budget-conscious-developers |
| Founded | 2018 | 2024 |
| Code Completion | ✓ | ✗ |
| Chat | ✓ | ✗ |
| On Premise | ✓ | ✗ |
| Privacy First | ✓ | ✗ |
| Multi Language | ✓ | ✗ |
| Ide Plugins | ✓ | ✗ |
| Ai Autocomplete | ✗ | ✓ |
| Cascade Agent | ✗ | ✓ |
| Multi File Editing | ✗ | ✓ |
| Codebase Indexing | ✗ | ✓ |
| Terminal Commands | ✗ | ✓ |
| Flows | ✗ | ✓ |
| Supercomplete | ✗ | ✓ |
✓ Tabnine Pros
- Can run entirely on-premise
- Never trains on your code
- Supports 30+ languages
- Works in all major IDEs
✗ Tabnine Cons
- Less capable than Copilot for complex tasks
- Smaller context window
- Free tier is very limited
✓ Windsurf Pros
- Cascade agent handles complex multi-step tasks
- Generous free tier with AI completions
- Deep codebase indexing
- Lightweight and fast compared to Cursor
✗ Windsurf Cons
- Newer product with smaller community
- Agent can sometimes go off-track
- Fewer extensions than VS Code ecosystem
The Verdict
Tabnine is built for enterprise and security conscious teams, with a focus on code-completion and chat. Windsurf targets developers and startups and leads with ai-autocomplete and cascade-agent.
Pricing is close: Tabnine starts at $12/mo versus $15/mo for Windsurf — not a deciding factor on its own.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Feature-wise, Windsurf offers broader built-in capabilities (7 features vs 6), while Tabnine takes a more focused approach — which can mean a simpler, faster onboarding experience.
Both tools are a solid fit for developers — in those cases, the decision often comes down to workflow style and how your team prefers to organize work.
Bottom line: Windsurf has a slight overall edge — but if can run entirely on-premise matters most to you, Tabnine may still be the right call.