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Issue 001 / A living technical almanac

Rankings never sold

Coding Agents · Head-to-head

Devin vs Windsurf

Devin and Windsurf are both coding agents. Devin is Autonomous AI software engineer by Cognition that plans, codes, and ships end-to-end, while Windsurf is agentic IDE with Cascade flows that keep full context of your codebase. Here's an independent, side-by-side look at how they compare — and which fits.

Devin

Agent· Paid product

Autonomous AI software engineer by Cognition that plans, codes, and ships end-to-end.

Visit Devin
Windsurf

Agent· Freemium

Agentic IDE with Cascade flows that keep full context of your codebase.

Visit Windsurf

Bottom line

Devin and Windsurf are both commercial coding agents. GitHub stars don't measure commercial adoption, so weigh them on pricing model, capabilities, and how you want to buy — not on a star count.

Side by side

SpecDevinWindsurf
TypeAgentAgent
ModelCommercialCommercial
PricingPaid productFreemium

Key differences

  • Pricing model differs — Devin is paid product, Windsurf is freemium.

Choose Devin if

Delegating whole engineering tickets to a cloud agent that plans, codes, tests, and opens PRs autonomously..

Choose Windsurf if

Developers who want an agentic IDE with strong codebase-context flows at a competitive price..

About Devin

Autonomous AI software engineer by Cognition that plans, codes, and ships end-to-end.

Full Devin profile →

About Windsurf

Agentic IDE with Cascade flows that keep full context of your codebase.

Full Windsurf profile →

Frequently asked

What's the main difference between Devin and Windsurf?
Pricing model differs — Devin is paid product, Windsurf is freemium.
Is Devin or Windsurf better?
Neither is universally better. Devin is the stronger fit for Delegating whole engineering tickets to a cloud agent that plans, codes, tests, and opens PRs autonomously; Windsurf for Developers who want an agentic IDE with strong codebase-context flows at a competitive price. Use the side-by-side specs to decide by your own constraints.
Is Devin or Windsurf free?
Devin is a paid product; Windsurf is free to start (freemium), with paid tiers.
Which is more popular, Devin or Windsurf?
We rank open-source projects by GitHub adoption, but at least one of these is a commercial product and stars don't measure commercial adoption — so compare them on capabilities and pricing instead.
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