Refact.ai vs Windsurf
Refact.ai is a European alternative to Windsurf: same ai & machine learning use case, headquartered in United Kingdom and governed by UK GDPR, while Windsurf (Cognition) is based in the United States.
By the EU Alternatives team Last updated
Open-source autonomous AI coding agent with self-hosting, IDE integration, in-editor chat, and code completion across 25+ languages and major editors.
- Jurisdiction
- United Kingdom
- Primary privacy law
- UK GDPR
- US CLOUD Act exposure
- No
- Open source
- Yes
- Free tier
- Yes
The AI editor formerly called Windsurf now ships as Devin Desktop: after the OpenAI deal collapsed and Google licensed away its founders in 2025, Cognition bought the rest and renamed it in 2026. The agentic Cascade workflow lives on, with a free tier and Pro at 20 dollars a month. Cognition AI is incorporated in the US and run from San Francisco, and the roadmap now serves its Devin agents.
- Jurisdiction
- United States
- GDPR by default
- Requires DPA + TIA
- US CLOUD Act exposure
- Yes
Refact.ai vs Windsurf at a glance
| Refact.ai | Windsurf | |
|---|---|---|
| Headquarters | United Kingdom | United States |
| Data jurisdiction | United Kingdom | United States |
| Primary privacy law | UK GDPR | Requires DPA + transfer assessment |
| US CLOUD Act exposure | No | Yes |
| Best for | Teams that need ai & machine learning built for European data-protection requirements | Teams already invested in the Cognition ecosystem |
Choose Refact.ai if…
- You want a provider governed by a European privacy regime
- GDPR or public-sector data-protection requirements apply to you
- You want to start free and scale up later
- Open-source code and self-hosting matter to you
- You'd rather back the European tech ecosystem
Stick with Windsurf if…
- You depend on integrations only available in the Cognition ecosystem
- Your organisation has no EU data-residency constraints
- Migration costs outweigh the jurisdiction benefits for now
About Refact.ai
Refact.ai is an open-source autonomous AI coding agent that plans, writes, executes, and deploys code end-to-end, combining in-editor chat, accurate inline completion, and a full agent workflow into one developer tool. It claims the top spot among open-source agents on SWE-bench and pairs agentic autonomy with the ability to self-host the whole stack on customer infrastructure.
The platform is built on Qwen2.5-Coder with retrieval-augmented generation over the user's own repository, so completions reflect project-specific types, imports, and naming. Integrations with GitHub, databases, and CI/CD tools let the agent run real workflows (open PRs, run tests, query production databases) with supervised approval inside the IDE.
Key benefits:
- Open-source agent under a permissive licence allows full audit and forking
- Self-hosted deployment keeps source code, prompts, and completions on-premises
- Retrieval-augmented completion adapts to project-specific code style and APIs
- Broad IDE support covers VS Code, all JetBrains IDEs, Visual Studio, Neovim, and Sublime
- Autonomous agent mode executes multi-step plans across repos, CI, and databases
- 25+ languages from Python and TypeScript to Rust, C++, SQL, and YAML
Operated by Small Magellanic Cloud AI Ltd., headquartered in the United Kingdom, Refact.ai offers EU and UK hosting under GDPR, plus full on-premises deployment for teams with strict data sovereignty requirements. Self-hosting removes any external data sharing from the loop entirely.
Ideal for engineering teams, regulated enterprises, and open-source contributors that want a Copilot-class coding agent they can inspect, self-host, and run against private codebases without sending anything to US cloud providers.
Why choose Refact.ai over Windsurf?
The decisive argument is data jurisdiction. Windsurf is headquartered in the United States, which means personal data processed through it can be subject to non-EU legal regimes: the US CLOUD Act, FISA 702, or similar laws depending on the provider. After the 2020 Schrems II ruling, EU organisations must carry out a transfer impact assessment for every such data flow.
Refact.ai removes that overhead. As a United Kingdom-based provider, it operates under UK GDPR, and data stays in the United Kingdom, which the European Commission recognises as offering an adequate level of protection. For regulated sectors such as health, public administration, and finance, that's not a nice-to-have but a requirement. For everyone else, it's concentration-risk insurance: you avoid depending on a single jurisdiction that can change the rules without warning.