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OpenAI Codex

use Best $0 starting point among the big three.

OpenAI's coding agent for local and background 'go fix this issue' tasks.

Use cases
  • Background issue fixing
  • Beginner-friendly agent coding
  • Desktop app agent
Pricing
Free tier with an agent model in the desktop app (subject to rollout); Plus $20/mo; Pro 200 allowance reduced for new subscribers since Sept 29.
Website
https://openai.com/codex/
Source
https://www.llms.blog/posts/cursor-vs-claude-code-vs-codex-prices-models-and-which-to-pick-october-2026
Added
2026-10-20

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