GitHub Copilot vs Codeium: AI Completions Compared
Both provide AI code completions in your IDE. Copilot is backed by GitHub with excellent completions. Codeium offers unlimited free completions and the Windsurf IDE. Similar quality, different pricing.
Last updated: 2026-03
In This Comparison
3-10x faster development speed when using AI coding assistants
Source: McKinsey 2025
35-45% increase in employee productivity when AI tools are introduced
Source: Accenture 2025
Side-by-Side Comparison
| Category | Codeium | GitHub Copilot |
|---|---|---|
| Pricing | $15/mo | $19/mo |
| Free Tier | Unlimited free completions | Free for students/OSS |
| Completions | Excellent | Excellent |
| Best For | Free AI completions | GitHub-integrated workflow |
| IDE | Extension + Windsurf IDE | Extension only |
Codeium
- Pricing
- $15/mo
- Free Tier
- Unlimited free completions
- Completions
- Excellent
- Best For
- Free AI completions
- IDE
- Extension + Windsurf IDE
GitHub Copilot
- Pricing
- $19/mo
- Free Tier
- Free for students/OSS
- Completions
- Excellent
- Best For
- GitHub-integrated workflow
- IDE
- Extension only
Winner by Category
Best for Free_tier
CodeiumUnlimited free completions for everyone
Best for Ecosystem
GitHub CopilotDeep GitHub integration for PRs, issues, and repos
Best for Completions
TieBoth offer excellent inline completion quality
Our Recommendation
Choose Codeium for the best free AI completions. Pick Copilot for GitHub integration and if you already pay for a GitHub subscription.
“The best tool depends on what you are building and how you work. There is no universal winner. Pick the one that fits your workflow and budget, then ship something.”
When to Choose Each Tool
Choose Codeium
Want excellent AI completions for free
Choose GitHub Copilot
Value GitHub ecosystem integration and are willing to pay
Overview
GitHub Copilot and Codeium are the two leading AI code completion tools. Copilot, backed by Microsoft and OpenAI, provides excellent inline completions with deep GitHub integration. Codeium provides comparable completion quality with a much more generous free tier, offering unlimited completions at no cost. Codeium also builds Windsurf, a full AI IDE, extending their offering beyond just completions.
Pricing and Value
Codeium's unlimited free completions are hard to beat. Copilot's free tier is limited to students and open-source maintainers, with the standard plan at $19/month. For developers who just want AI completions, Codeium's free plan provides excellent value. Copilot justifies its price through GitHub integration, enterprise features, and the broader Microsoft ecosystem.
Frequently Asked Questions
Is Codeium really free?
Yes. Codeium's free plan includes unlimited code completions and chat with no time limit. Paid plans add more features.
Which has better completion quality?
Both are excellent. In blind tests, most developers cannot consistently tell them apart. The difference is marginal.
Should I switch from Copilot to Codeium?
If cost is a factor, Codeium's free plan provides comparable completions. If you value GitHub integration, Copilot may be worth the subscription.
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