Best AI Coding Assistants · head-to-head
GitHub Copilot vs Windsurf (now Devin)
A sourced, side-by-side comparison for ai coding assistants. GitHub Copilot has the lower entry price. Every figure links to the vendor's own page and the date we captured it.
GitHub Copilot has the lower entry price — GitHub Copilot starts at $0/mo, Windsurf (now Devin) at $0/mo. Free tier: GitHub Copilot Yes, Windsurf (now Devin) Yes. HIPAA: GitHub Copilot —, Windsurf (now Devin) —.
As of 2026-06-14 · figures link to their source below
Side by side
GitHub Copilot
$0/mo entryWindsurf (now Devin)
$0/mo entrySources — GitHub Copilot: github.com (verified 2026-06-14) · Windsurf (now Devin): devin.ai (verified 2026-06-14)
Key features
GitHub Copilot: Inline code completions with public-code duplication filter; Agent mode for autonomous multi-step task execution; Cloud agents for PR review and async work; Multi-model selection (Claude, GPT, Gemini family); Native GitHub.com integration — reviews, issues, PRs; Hardcoded-credential and SQL-injection vulnerability filtering; Custom instructions and custom agents (MCP); IP indemnification for unmodified suggestions on paid plans; Business/Enterprise data never used for model training
Windsurf (now Devin): Fully autonomous AI software engineer — handles multi-week projects end-to-end; Multi-repository code migration and legacy modernization (COBOL, .NET, ETL); PR review with visual QA using browser and desktop automation; Session-based learning: improves from past interactions and codebase tribal knowledge; Spin up parallel team of Devin agents for large tasks; Custom fine-tuning on domain-specific workflows (2x task improvement demonstrated); Ephemeral isolated sandboxes — destroyed after each session; Every session produces exportable audit transcript (SIEM-compatible); Unlimited inline edits and Tab completions on all plans (including Free); SAML SSO on Enterprise; role-based access controls; least-privilege by default