JetBrains AI Assistant
IDE-native assistant and Junie agent across JetBrains IDEs.
Full JetBrains AI Assistant record →Head to head
JetBrains AI Assistant vs Windsurf
JetBrains AI Assistant (JetBrains) and Windsurf (Cognition) both sit in Coding. JetBrains AI Assistant is the cheaper entry point at Free tier · from $10/mo. Windsurf shipped more tracked changes in the last 30 days (14 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | JetBrains AI Assistant JetBrains | Windsurf Cognition |
|---|---|---|
| Segment | Coding | Coding |
| Version | 2025.2 | 3.12.28 |
| Entry cost | Free tier · from $10/mo | Free tier · from $20/mo |
| Pricing tiers | — | Free free · Pro $20 · Max $200 · Teams $120 |
| Model stack | Claude · GPT-5 · JetBrains Mellum | Cascade · Claude · Claude Fable 5.1 · Claude Sonnet 4.5 · Devin · Devin Local · Fast · Fusion · Gemini · GPT · GPT 5.2 Mini · GPT-5.2 · GPT-5.6 · GPT-6 Astra · Haiku · Kimi K2.5 · OpenAI frontier models · SWE 1.7 · SWE-1.5 · SWE-2 · Ultra |
| Context window | — | Varies by model |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 14 |
| Origin | Global | Global |
| Capabilities | Junie agent, Inline completion, Refactoring | Cascade agent, Supercomplete, Live previews, Memories, Deploys, Devin Local Agent, Devin Cloud Agent, Cascade Agent |
Windsurf
An IDE whose Cascade agent tracks your actions and edits across the codebase.
Full Windsurf record →