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Mellum by JetBrains vs GitHub Copilot: Which is Better in 2026?

Choosing between Mellum by JetBrains and GitHub Copilot comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Bottom line: GitHub Copilot is our overall pick for AI coding workflows. Pick Mellum by JetBrains if you need its specific feature set.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Jul 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

Mellum by JetBrains

AI coding assistant for JetBrains IDEs

Best for you if:

  • AI assistant integrated into JetBrains IDEs for coding.
  • Provides intelligent code completion, generation, and explanation.

GitHub Copilot

AI pair programmer that suggests code

Best for you if:

  • AI pair programmer by GitHub
  • Code suggestions in your editor
At a Glance
Mellum by JetBrainsMellum by JetBrains
GitHub CopilotGitHub Copilot
Starts at
Custom
$10/moPro
Best For
AI CodingAI Coding
Rating
--
Free plan
No No

Choose Mellum by JetBrains or GitHub Copilot?

Mellum by JetBrains

Choose Mellum by JetBrains if

AI coding assistant for JetBrains IDEs

  • Deep integration with JetBrains IDEs for a seamless workflow.
  • Significantly speeds up coding and reduces boilerplate.
  • Helps developers understand unfamiliar codebases quickly.
GitHub Copilot

Choose GitHub Copilot if

AI pair programmer that suggests code

  • Works in any IDE
  • Great for boilerplate
  • Learns your style
FeatureMellum by JetBrainsGitHub Copilot
Pricing ModelPaidPaid
User RatingNo ratings yetNo ratings yet
Categories
AI CodingDeveloper Tools
AI CodingDeveloper Tools

In-Depth Analysis

Mellum by JetBrainsMellum by JetBrains

AI coding assistant for JetBrains IDEs

Strengths

  • +Deep integration with JetBrains IDEs for a seamless workflow.
  • +Significantly speeds up coding and reduces boilerplate.
  • +Helps developers understand unfamiliar codebases quickly.
  • +Improves code quality through intelligent suggestions and refactoring.

Weaknesses

  • -Requires an existing JetBrains IDE subscription.
  • -May have a learning curve for optimal utilization of AI features.
  • -Reliance on AI might reduce deep understanding of certain code segments over time.

Key features

Context-aware code completionCode generation from natural languageCode explanation and documentation generationRefactoring assistanceAI chat within the IDESupport for multiple programming languages and frameworks
Starts at Custom

GitHub CopilotGitHub Copilot

AI pair programmer that suggests code

Strengths

  • +Works in any IDE
  • +Great for boilerplate
  • +Learns your style
  • +Free for students

Weaknesses

  • -Monthly fee
  • -Sometimes suggests wrong code
  • -No codebase awareness (vs Cursor)

Key features

Code completionsCopilot ChatCLI integrationPull request summariesDocumentation generationTest generation
Starts at $10/mo

Pricing: Mellum by JetBrains vs GitHub Copilot

PlanMellum by JetBrainsGitHub Copilot
Tier 1N/A
Free
Free
Tier 2N/A
$10
Pro
Tier 3N/A
$39
Pro+
Tier 4N/A
$19
Business

Pricing verified from each vendor's public pricing page. Compare in detail on Mellum by JetBrains pricing and GitHub Copilot pricing.

Who Should Use What?

On a budget?

Both are paid. Compare plans on their websites.

Go with: GitHub Copilot

Want the highest-rated option?

Neither has ratings yet.

Too early to call on ratings — compare on features and pricing.

Value user reviews?

Neither has ratings yet.

Too early to call — neither has ratings yet.

3 Questions to Help You Decide

1

What's your budget?

Both are paid. Pricing won't help you decide here.

2

What's your use case?

Both are ai coding tools. Compare their specific features to decide.

3

How important are ratings?

Neither has ratings yet.

Key Takeaways

GitHub Copilot

  • Our pick for this comparison

Mellum by JetBrains

  • Choose if you want aI coding assistant for JetBrains IDEs

The Bottom Line

GitHub Copilot is our pick.

Frequently Asked Questions

Is Mellum by JetBrains or GitHub Copilot better?

GitHub Copilot is rated in our evaluation. Both are paid.

What are Mellum by JetBrains and GitHub Copilot used for?

Mellum by JetBrains: AI coding assistant for JetBrains IDEs. GitHub Copilot: AI pair programmer that suggests code.

What does Mellum by JetBrains cost vs GitHub Copilot?

Mellum by JetBrains is a paid tool. GitHub Copilot is a paid tool. Visit their websites for detailed pricing.

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