Codex vs KiloCode: Side-by-Side Comparison 2026

Codex vs KiloCode comparison 2026. Side-by-side features, pricing & capabilities.

Codex is an AI agent and a CLI-based coding agent from OpenAI — asynchronous autonomous coding agent. KiloCode is an editor extension from Kilo — open-core ai coding agent for vs code and jetbrains.

Codex🏆 Approved

OpenAI's autonomous coding agent. Available via web, desktop app (macOS), CLI (macOS/Linux/Windows), and VS Code extension.

  • ✓ Code completions
  • ✓ AI chat
  • ✓ Agentic mode
  • ✓ Multi-file editing
  • ✓ Terminal commands

Free / $8/mo · 6 plans

KiloCode

Open-core AI coding agent for VS Code, JetBrains, and CLI. Free with BYOK or pay-per-use credits at cost. Teams plan adds organizational features.

  • ✓ AI chat
  • ✓ Agentic mode
  • ✓ Multi-file editing
  • ✓ Terminal commands
  • ✓ Test generation

Free / $15/mo · 6 plans

Feature Codex KiloCode
Category Agent / CLIExtension
Starting Price Free Free
Model Family GPT / CodexMulti-model (any)
Open Source Yes (CLI)Yes (Apache 2.0)

Pricing verified Feb 25, 2026. Codex pricing | KiloCode pricing

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Key Differences

  • Category: Codex is an AI agent and a CLI-based coding agent; KiloCode is an editor extension.
  • Starting price: Codex starts at $8/mo; KiloCode starts at $15/mo.
  • Model family: Codex uses GPT / Codex; KiloCode uses Multi-model (any).
  • Open source: Codex: Yes (CLI). KiloCode: Yes (Apache 2.0).
  • Platforms: Codex runs on Linux, Web, Windows (experimental), macOS; KiloCode runs on Desktop.
  • Provider: Codex is built by OpenAI; KiloCode is built by Kilo.

Which Should You Choose?

Choose Codex if you want asynchronous coding tasks you can fire off and review when ready. Choose KiloCode if you want affordable agentic coding in VS Code with transparent action tracking. Read our full reviews to see which fits your workflow.

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