OpenAI Codex

Best for: Delegating tasks to cloud agents

Skip if: You need fully offline work

Pricing: Included in ChatGPT Free, Go $8/mo, Plus $20/mo, Pro from $100/mo, Business $25/user/mo (monthly); or API pricing

Pricing checked Oct 15, 2026 · official page · pricing source

Official site: https://openai.com/codex