I Replaced GitHub Copilot with Cursor – 90-Day Results & Benchmarks

I Replaced GitHub Copilot with Cursor – 90-Day Results & Benchmarks

By Alex Chen | EasyOutcomes.ai


*This post contains affiliate links. If you purchase through our links, we may earn a commission at no extra cost to you.*


Why I Finally Made the Switch

I used GitHub Copilot for two years. I evangelized it. I wrote internal docs about it. When junior engineers on my team asked what to use, I said Copilot without hesitating.

Then I started noticing something uncomfortable: I was getting slower.

Not dramatically — but the friction was accumulating. Copilot’s completions were good inside a file, but it had no memory of what I built yesterday. Every session started cold. And the privacy terms had quietly gotten murkier — I work on client projects with NDAs, and “your code may be used to improve the model” is not language I can sign off on with a straight face.

A colleague at a former Google team sent me a Cursor trial link in January. I messed around with it for a week and immediately understood what the fuss was about. Then I did what I always do before recommending anything: I actually tested it properly.

Ninety days. Five real projects. Logged data. Here’s what I found.


The Testing Setup

I’m not going to pretend this was a double-blind academic study. It wasn’t. But it was systematic enough to draw real conclusions.

Projects tested across:

  • A TypeScript/React SaaS dashboard (mid-complexity, ~15K LOC existing codebase)
  • A Python FastAPI backend with async task queues
  • A Go CLI tool (greenfield, ~3K LOC over the test period)
  • A legacy PHP refactor (yes, PHP — clients pay bills)
  • A personal Next.js project (low stakes, good for experimentation)
  • Methodology:

  • Used Copilot (VS Code extension, Individual plan) for 45 days first
  • Switched to Cursor (Pro plan) for the next 45 days
  • Tracked: completion acceptance rate, time-to-working-feature, context window quality, multi-file awareness
  • Same projects, same types of tasks where possible

  • The Benchmarks

    Completion Acceptance Rate

    Tool Accepted Modified Rejected
    Copilot 41% 28% 31%
    Cursor 58% 22% 20%

    Cursor’s acceptance rate was meaningfully higher across all five projects. The gap was widest on the TypeScript SaaS work — Cursor’s understanding of the existing codebase made suggestions feel like they came from someone who’d read the repo.

    Time-to-Working-Feature

    I tracked 34 comparable tasks (17 per tool, matched by complexity tier).

    Complexity Copilot Avg Cursor Avg Delta
    Simple (< 1hr) 34 min 26 min -24%
    Medium (1–4hr) 2h 41min 1h 58min -26%
    Complex (4hr+) 7h 12min 5h 03min -30%

    The delta grows with complexity. Cursor’s multi-file context awareness compounds on larger tasks.

    Multi-File Context Quality

    Capability Copilot Cursor
    Current file context ✅ Excellent ✅ Excellent
    Open tabs context ✅ Good ✅ Good
    Full codebase context ❌ Limited ✅ Strong
    Referenced file context ❌ No ✅ Yes (@ mentions)
    Conversation memory (session) ❌ No ✅ Yes

    Practical example: refactoring a Python service, updating all callers of a function with a changed signature. With Copilot: manual grep + open tabs. With Cursor: described the change in chat, asked it to find all callers across the repo, produced a comprehensive diff in one pass. Caught two edge cases it missed — but 90% of the work done in 30 seconds.


    Privacy: The Part That Actually Made Me Switch

    Copilot’s Individual plan sends your code to GitHub’s servers for processing. Their terms allow using “suggestions and related data” for product improvement. For open source personal projects: fine. For client work with IP considerations: not fine.

    Cursor’s Privacy Mode (available on all paid plans):

  • Code is not stored, not used for training
  • Processing happens on-request, not continuously
  • SOC 2 Type II certified
  • Clear opt-out, no hunting through account settings
  • I enabled Privacy Mode on day one and haven’t thought about it since.


    Pricing Comparison (2026)

    Plan Copilot Cursor
    Free tier Limited (students/OSS) Yes (2,000 completions/mo)
    Individual $10/mo $20/mo
    Business $19/user/mo $40/user/mo
    Enterprise Custom Custom

    Cursor costs 2x Copilot at the individual tier. Based on my benchmarks, that premium is justified for multi-file, complex work. For pure inline autocomplete on simple projects, Copilot’s $10 plan is harder to argue against.


    Pros & Cons

    Cursor

    Pros:

  • Full codebase context is genuinely transformative for complex work
  • Privacy Mode is clear and trustworthy
  • Chat with @ references is powerful for refactoring
  • Composer mode (multi-file editing) is a category-defining feature
  • Better acceptance rate in testing
  • Cons:

  • 2x the cost of Copilot
  • Slightly more latency on simple completions
  • Requires onboarding time to use @ references effectively
  • Occasionally over-confident — always review on critical paths
  • GitHub Copilot

    Pros:

  • $10/mo is hard to beat for basic inline completions
  • Deeply native VS Code integration
  • Fast and consistent for single-file work
  • GitHub ecosystem integration (PR reviews, Actions)
  • Mature enterprise controls
  • Cons:

  • No meaningful codebase context
  • Privacy terms require active management
  • Chat feels bolted on
  • Completions feel isolated from project architecture

  • Who Should Use What

    Use Cursor if:

  • You work on codebases larger than ~5K LOC regularly
  • You do a lot of refactoring or cross-file changes
  • Privacy/IP concerns matter to your work
  • You want an AI pair programmer, not just autocomplete
  • You’re billing at a rate where 26% faster shipping has real ROI
  • Stick with Copilot if:

  • You’re primarily writing greenfield code in single files
  • Budget is constrained ($10/mo vs $20/mo matters)
  • You’re deep in the GitHub ecosystem
  • You mainly need autocomplete, not chat/context

  • The Verdict

    Cursor is the better tool. That’s my conclusion after 90 days of real testing.

    The 26–30% time savings on complex tasks is real and it compounds. For someone billing hourly, Cursor pays for itself quickly. For someone shipping a product, it means faster iteration cycles.

    The caveat: if you’re doing mostly simple work or just getting started, Copilot’s lower price and simpler UX is a legitimate choice. Don’t let anyone tell you $20/mo is obvious money for every developer — it depends entirely on how you work.

    But if you’re regularly navigating complex, multi-file codebases and you haven’t tried Cursor yet, you’re leaving meaningful productivity on the table.

    Try Cursor free → #

    GitHub Copilot → #


    Alex Chen is a former Google engineer and AI tool evangelist at EasyOutcomes.ai. He tests coding assistants in real production environments so you don’t have to.

    This post contains affiliate links. If you purchase through our links, we may earn a commission at no extra cost to you. This does not affect our editorial independence or the tools we recommend.

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