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Copilot is Microsoft-native; Codeium/Windsurf pushes free agent IDE.

Option A
AI-powered coding assistant that suggests code in real time inside your IDE, improving developer productivity.

Option B
AI code completion tool for developers offering suggestions and efficiency improvements.
| Spec | Copilot | Codeium |
|---|---|---|
| Plans & pricing | Free students/OSS ยท Individual $10/mo ยท Business $19/user | Free individual ยท Teams from $12/user |
| Free tier | Limited for verified students/OSS | Unlimited basic completions |
Plans & pricing
Copilot
Free students/OSS ยท Individual $10/mo ยท Business $19/user
Codeium
Free individual ยท Teams from $12/user
Free tier
Copilot
Limited for verified students/OSS
Codeium
Unlimited basic completions
| Spec | Copilot | Codeium |
|---|---|---|
| API access | No public API โ IDE integration only | No consumer API |
| API limits / quota | Fair-use on completions & chat | Chat limits on free tier |
| Rate limits | Premium requests on some plans | Premium models capped |
| Context window | Model-dependent (GPT-4 class) | IDE context window |
| Best for | Inline completions in VS Code / JetBrains | Free copilot alternative |
API access
Copilot
No public API โ IDE integration only
Codeium
No consumer API
API limits / quota
Copilot
Fair-use on completions & chat
Codeium
Chat limits on free tier
Rate limits
Copilot
Premium requests on some plans
Codeium
Premium models capped
Context window
Copilot
Model-dependent (GPT-4 class)
Codeium
IDE context window
Best for
Copilot
Inline completions in VS Code / JetBrains
Codeium
Free copilot alternative
See pricing table below
See API & limits section
Copilot for teams; Codeium for budget.
Copilot is Microsoft-native; Codeium/Windsurf pushes free agent IDE.
Compare pricing plans, API limits, and feature winners side by side.
Verdict: Copilot for teams; Codeium for budget.