Windsurf
Windsurf is Codeium's VSCode-fork IDE with the Cascade multi-file agent · acquired by Cognition AI in 2025 to pair with Devin.
Text reviewed October 5, 2026
Windsurf is Codeium's VSCode-fork IDE with the Cascade multi-file agent · acquired by Cognition AI in 2025 to pair with Devin.
Basic
Windsurf launched late 2024 from Codeium (the autocomplete company). The IDE is a VSCode fork with Cascade · an agent that reads the full repo and makes coordinated multi-file edits. Cognition acquired Codeium in 2025, integrating Windsurf into its Devin ecosystem. Post-acquisition, Windsurf became the IDE face of Cognition's agent stack.
Deep
Cascade pioneered "flow awareness" · the agent watches your recent actions (file opens, edits, terminal runs) and adjusts its plan without explicit prompting. This was distinct from Cursor's more reactive model. Windsurf retains local IDE UX while Devin lives in the cloud · the pair positions Cognition as both local + remote agent provider.
Expert
Windsurf's "write mode" lets Cascade execute edits without approval; "chat mode" is conversational. The flow-awareness system indexes local changes in real-time to an internal graph, enabling the agent to reason over recent edits. Codeium's earlier autocomplete model (Codeium Chat) stayed available as a low-latency companion. Post-Cognition, Windsurf added Devin integration · handoff a task from local IDE to cloud VM seamlessly.
Depending on why you're here
- ·An AI-first code editor similar to Cursor · now owned by the makers of Devin
- ·Combines local editing with cloud AI agents
- ·Paid · aimed at professional developers and teams
- ·Paid · pricing aligned with Cognition Devin seats
- ·Best if you're already in the Cognition ecosystem
- ·Alternative: Cursor (same shape, different provider)
- ·Consolidation play · own local IDE + cloud agent stack
- ·Windsurf brings enterprise autocomplete customers to Cognition
- ·VSCode fork · Cascade agent + flow awareness
- ·Local IDE complement to Cognition's Devin cloud agent
- ·Proprietary · post-acquisition by Cognition
Windsurf is Cognition's local foothold · the IDE complement to Devin's cloud workers.