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Code Comparison · 2026

Codeium (Windsurf) vs Codex CLI

Which is better in 2026? We compare Codeium (Windsurf) and Codex CLI side by side — pricing, features, pros & cons — so you can choose the right Code tool.

🏆 Codex CLI has the higher rating (4.3/5)
C

Codeium (Windsurf)

★4.2

Free AI code completion tool supporting 70+ languages. Recently rebranded as Windsurf with an enhanced IDE experience.

PricingFree
CategoryCode
Rating4.2/5
Visit Codeium (Windsurf) →Full profileCodeium (Windsurf) alternatives →
🏆 Higher Rated
C

Codex CLI

★4.3

OpenAI's open-source coding agent. Runs in your terminal, understands natural language, executes code, and manages files with sandboxed safety.

PricingFree
CategoryCode
Rating4.3/5
Visit Codex CLI →Full profileCodex CLI alternatives →

Feature Comparison

FeatureCodeium (Windsurf)Codex CLI
70+ languages✓—
IDE integration✓—
Chat assistant✓—
Command palette✓—
Free for individuals✓—
Natural language commands—✓
Sandboxed execution—✓
File management—✓
Multi-language support—✓
Open source—✓

Pricing Comparison

Codeium (Windsurf)

Free

Completely free to use with no paid tiers.

View pricing →

Codex CLI

Free

Completely free to use with no paid tiers.

View pricing →

Pros & Cons

Codeium (Windsurf)

👍 Pros

  • +Completely free
  • +Wide language support
  • +Fast completions

👎 Cons

  • −Less accurate than Copilot
  • −Enterprise features lacking
  • −Branding confusion

Codex CLI

👍 Pros

  • +Open source by OpenAI
  • +Terminal-native workflow
  • +Sandboxed code execution
  • +Multi-model support

👎 Cons

  • −Requires OpenAI API key
  • −Early stage product
  • −Limited documentation
  • −CLI-only interface

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