The Lab Report Every AI tool, lab-tested.
Comparison

Coding assistants, compared

All three scored on the same six-criterion rubric, out of 100. Pricing checked October 1, 2026.

Criterion Cursor Windsurf GitHub Copilot
Total score80 / 10079 / 10074 / 100
Code quality (25)201818
Agentic coding (20)171713
Codebase understanding (15)121310
Speed and reliability (10)888
Value for money (15)121213
Privacy and data controls (15)111112
Entry price (individual)$20/mo$20/mo$10/mo
Billing modelCredit pool plus unlimited AutoDaily and weekly quotasToken-metered AI credits, unlimited completions
Best forDaily drivers who want a fast IDE with real model choiceDelegating multi-file builds to an agent with automatic codebase contextBudget teams and GitHub workflows, where completions are unlimited

The verdict

Cursor wins for everyday editing. It has the best tab completion, genuine model choice, and a billing model where most users never feel the meter, since Auto mode is unlimited. Buy it if you live in your editor and review your own diffs.

Windsurf wins for autonomous builds. Cascade plans and executes across files with automatic codebase indexing, so you delegate rather than drive. Buy it if you want to describe a task and come back to working code, but go in eyes open about the unpublished quotas.

GitHub Copilot wins for value and teams. At $10 a month it is half the price of the field, and Business at $19 a user brings IP indemnity and controls the others charge more for. Buy it if your work lives in GitHub and your priority is completions and review, not agent autonomy.

No tool here is a bad pick. The gap between first and third is six points, which is one billing model or one feature, not a class difference. Pick by workflow, not by headline score.

Affiliate disclosure

The Lab Report is supported by affiliate commissions. If you buy a tool after clicking a link on this site, we may earn a commission at no extra cost to you. Rankings and scores are never for sale: vendors cannot pay for better placement or better scores, and our verdicts are written before any commercial discussion. Commission income never influences what we test or what we recommend.

Full reports

80/100

Cursor

The sharpest everyday coding editor, if you can live with the credit pool.

79/100

Windsurf

The most autonomous agent of the three, with quota billing you need to understand first.

74/100

GitHub Copilot

The cheapest full-featured assistant, and the only one GitHub-native teams should start with.