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Tabnine vs Windsurfwhich AI code agent should you pick in 2026?

Privacy-first AI coding assistant — runs on your own infrastructure or in a private cloud.

💻CodeAssistantFreemium · from $9
CodeTool useMemory

Codeium's AI editor — Cascade agent flows alongside in-line completion and chat.

💻CodeSemi-autonomousFreemium · from $15
CodeTool useMemoryBrowser

Tabnine vs Windsurf — specs

SpecTabnineWindsurf
Agent Rank72 / 100 (A)80 / 100 (A)
AutonomyAssistantSemi-autonomous
PricingFreemium · from $9Freemium · from $15
Open sourceNoNo
CapabilitiesCode, Tool use, MemoryCode, Tool use, Memory, Browser
Integrations4 apps2 apps
VerifiedVerifiedVerified
ReleasedJan 2025Apr 2025

Categories: TabnineCode · WindsurfCode

Agent Rank breakdown

Tabnine
Agent Rank
72/ 100
AA-tier
自律性
7
機能
6
連携
4
料金
8
完成度
8
検証性
10

自律性、機能、連携、料金、成熟度、編集部の検証を基に自動算出。デプロイごとに更新されます。 どのように算出されているか?

Windsurf
Agent Rank
80/ 100
AA-tier
自律性
8
機能
8
連携
4
料金
8
完成度
10
検証性
10

自律性、機能、連携、料金、成熟度、編集部の検証を基に自動算出。デプロイごとに更新されます。 どのように算出されているか?

Pros & cons

Tabnine
メリット
  • +Strongest privacy story in the coding-agent category — fully self-hostable
  • +Models can be fine-tuned on your private codebase without sending data out
  • +Long history of enterprise deployments in regulated industries
デメリット
  • Capability gap vs frontier models in chat/agent quality
  • Less polished UX than Cursor or GitHub Copilot
  • Per-seat pricing at Enterprise is high vs alternatives
Windsurf
メリット
  • +Cascade agent flows are the strongest "watch it work" UI in any IDE-native agent
  • +Cheapest Pro tier in the category at $15/month
  • +Codeium has a deep model team — completion quality consistently leads
デメリット
  • Smaller ecosystem of extensions than Cursor
  • Pro Ultimate ($60) is opaque on which models are actually premium
  • Memory feature less mature than Cursor + Claude Code memories

Pricing

Tabnine
Dev
$9/
Individual devs
  • +AI completions
  • +Chat agent
  • +Privacy mode
おすすめ
Enterprise
$39/席/月
Privacy-sensitive teams
  • +Self-hosted
  • +Air-gapped option
  • +Custom-trained models on your code
Windsurf
Free
無料
Trial
  • +Limited Cascade flow runs
  • +Standard models
  • +Editor + chat
おすすめ
Pro
$15/
Working engineers
  • +Unlimited Cascade flows
  • +All Pro models
  • +Background agents
  • +Memories
Pro Ultimate
$60/
Power users
  • +Highest model priority
  • +Premium models included
  • +Higher concurrency
Teams
$35/席/月
Teams
  • +SSO + admin
  • +Usage analytics
  • +Shared memories

Which one should you pick?

Tabnine

Pick Tabnine if cost is the main constraint.

Try Tabnine →
Windsurf

Pick Windsurf if you want the highest autonomy and the verification loop is in place.

Try Windsurf →

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Frequently asked

Should I pick Tabnine or Windsurf in 2026?+

Pick Tabnine if cost is the main constraint. Pick Windsurf if you want the highest autonomy and the verification loop is in place. Most working teams running both can use Tabnine for primary work and Windsurf for the workflows where its specific strengths matter.

What's the price difference between Tabnine and Windsurf?+

Tabnine starts at Freemium · from $9; Windsurf starts at Freemium · from $15. Tabnine is the cheaper entry option. For team deployments the TCO can differ — use the AI Agent Rank TCO calculator for your specific volume.

Which is more autonomous, Tabnine or Windsurf?+

Windsurf is the more autonomous of the two (Semi-autonomous vs Assistant). Higher autonomy ships throughput faster but requires verification loops in place — see our autonomous-vs-copilot framing for when each tier wins.

Readers comparing Tabnine and Windsurf also picked

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Tabnine vs Windsurf (2026): which AI code agent wins? · AI Agent Rank