Cline vs Codex: Side-by-Side Comparison 2026

Cline vs Codex comparison for 2026. Features, pricing, AI capabilities, and editor support analyzed side by side to help you choose the right coding tool for your workflow.

Cline is an AI agent from Cline (Open Source) — open-source ai agent for vs code. Codex is an AI agent and a CLI-based coding agent from OpenAI — asynchronous autonomous coding agent.

Cline

Open-source AI agent for VS Code that plans, edits, and runs code with a focus on transparency. BYOK (Anthropic, OpenAI, OpenRouter, local models) or paid Cline Cloud with included credits.

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

Free · 2 plans

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

Feature Cline Codex
Category AgentAgent / CLI
Starting Price Free Free
Model Family Multi-model (any)GPT / Codex
Open Source Yes (Apache 2.0)Yes (CLI)

Pricing verified May 4, 2026. Cline pricing | Codex pricing

Share

Key Differences

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

Which Should You Choose?

Choose Cline if you want autonomous coding with full transparency into every action taken. Choose Codex if you want asynchronous coding tasks you can fire off and review when ready. Read our full reviews to see which fits your workflow.

Share