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Developer Tools · head to head

GitHub Copilot vs Microsoft Defender

GitHub Copilot logo

GitHub Copilot

Developer Tools

AI pair programmer for developers

From
$10/month
Free plan
No
Visit GitHub CopilotFull review
Microsoft Defender logo

Microsoft Defender

Cybersecurity

Always-on protection for you and your family's data and devices

From
$12/month
Free plan
No
Visit Microsoft DefenderFull review

The short version

  • GitHub Copilot starts at $10/mo, Microsoft Defender at $12/mo.
  • Where GitHub Copilot falls short: agent mode lacks deep tool orchestration and iterative execution compared to specialized agentic tools.
  • Where Microsoft Defender falls short: defender Suite requires existing Microsoft 365 E3 or equivalent base licensing.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which GitHub Copilot and Microsoft Defender actually diverge.

Attributes where GitHub Copilot and Microsoft Defender differ
AttributeGitHub CopilotMicrosoft Defender
Starting price$10/month$12/month
PlatformsWeb, Windows, macOS, LinuxWeb
CategoryDeveloper ToolsCybersecurity

Identical on both: pricing model (Subscription), free tier (No).

Not yet recorded: founded for Microsoft Defender.

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in GitHub Copilot

  • Code completion
  • Code generation
  • Chat interface
  • Multi-language support
  • VS Code
  • JetBrains IDEs
  • Neovim
  • Visual Studio

Only in Microsoft Defender

Nothing recorded that GitHub Copilot does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

GitHub Copilot

  • ai tools managementnot Microsoft Defender
  • Workflow automationnot Microsoft Defender
  • Reportingnot Microsoft Defender

Microsoft Defender

  • Endpoint security and threat protectionnot GitHub Copilot
  • Identity and access securitynot GitHub Copilot
  • Email threat protectionnot GitHub Copilot
  • SaaS application security monitoringnot GitHub Copilot

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

GitHub Copilot

  • Agent mode lacks deep tool orchestration and iterative execution compared to specialized agentic tools
  • Suggestions for niche or specialized programming languages are less accurate due to limited training data
  • Less effective with non-English prompts or grammatically incorrect developer instructions
  • Free tier severely limited to 2,000 completions and 50 chat requests per month

Microsoft Defender

  • Defender Suite requires existing Microsoft 365 E3 or equivalent base licensing
  • Some Defender products use pay-as-you-go pricing with variable costs
  • Prices vary based on Microsoft agreements, requiring sales contact for custom quotes

Pricing, plan by plan

GitHub Copilot

$10/month
  • Individual$10/mo
    • Code completions
    • Chat in IDE
    • CLI assistance
  • Business$19/mo
    • Organization management
    • Policy controls
    • Audit logs

Microsoft Defender

$12/month
  • Microsoft Defender Suite$12/mo
    • Endpoint protection
    • Identity threat detection
    • Email security
  • Microsoft 365 E5 with Defender$60/mo
    • Includes Defender Suite
    • Microsoft Teams included
    • Comprehensive security and compliance
  • Microsoft Defender Vulnerability Management Add-on$2/mo
    • Vulnerability scanning and management
    • One-month free trial available
    • Annual commitment required

Which should you pick?

Choose GitHub Copilot if

  • You need code completion.
  • You work on Web, Windows, macOS, Linux.
  • You also want code generation.
GitHub Copilot review

Choose Microsoft Defender if

Nothing in the data separates Microsoft Defender from GitHub Copilot on the points above - pick on price and on how each one feels to use.

Microsoft Defender review

Questions people ask

Is GitHub Copilot or Microsoft Defender better?
Neither clearly leads. GitHub Copilot starts at $10/month and Microsoft Defender at $12/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GitHub Copilot or Microsoft Defender?
GitHub Copilot starts at $10/month and Microsoft Defender at $12/month.
Does GitHub Copilot or Microsoft Defender run on more platforms?
GitHub Copilot runs on Web, Windows, macOS, Linux. Microsoft Defender runs on Web.
What is GitHub Copilot best used for?
GitHub Copilot is most often used for ai tools management, workflow automation, reporting. Of those, ai tools management and workflow automation are not what Microsoft Defender is typically brought in for.
What can GitHub Copilot do that Microsoft Defender cannot?
GitHub Copilot covers Code completion, Code generation, Chat interface, Multi-language support.

Answered from the vendors’ own pages

GitHub Copilot: Does GitHub Copilot have a free tier?

Yes. GitHub Copilot Free offers 2,000 code completions and 50 chat requests per month at no cost with no credit card required. Students and open-source maintainers get free Pro access.

Source
Microsoft Defender: How much does Microsoft Defender Suite cost?

Microsoft Defender Suite costs $12/user/month (paid yearly), but requires existing Microsoft 365 E3 or equivalent base licensing. It includes endpoint protection, identity threat detection, email security, and SaaS application monitoring.

Source
GitHub Copilot: What IDEs and editors are supported?

GitHub Copilot works in VS Code, Visual Studio, JetBrains IDEs (IntelliJ, PyCharm, WebStorm), Vim, Neovim, and Azure Data Studio with extensions providing code suggestions and chat capabilities.

Source
Microsoft Defender: What add-ons are available for Microsoft Defender?

Microsoft Defender Vulnerability Management Add-on costs $2/user/month with annual commitment and includes a one-month free trial. Additional pay-as-you-go products include External Attack Surface Management, Cloud Security Posture Management, and Sentinel.

Source
GitHub Copilot: What programming languages does Copilot support?

Copilot supports more than 10 core languages including JavaScript, TypeScript, Python, Java, C#, Go, and Rust. Performance is strongest for these popular languages with extensive open-source training data.

Source
Microsoft Defender: Is Defender included in Microsoft 365 E5?

Yes, Microsoft Defender Suite is included in Microsoft 365 E5 at $60/user/month (paid yearly with Teams). Prices may vary based on Microsoft agreements, requiring contact with Sales for customized quotes.

Source
GitHub Copilot: How does the free tier compare to paid plans?

Free tier limits completions and chat to 2,000 and 50 per month. Pro ($10/month) offers unlimited completions, while Pro+ ($39/month) adds access to frontier AI models and agent mode for autonomous multi-file edits.

Source
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