CLI coding agents · OpenAI
OpenAI Codex
On our CLI coding agents list (A–Z). No vendor pays for placement.
OpenAI Codex describes itself as: Use ChatGPT for ambitious work and software development
OpenAI Codex pricing
- Free plan
- Yes · Codex is included in ChatGPT Free (quick coding tasks).
- Paid plans from
- $8/mo
- Billing model
- subscription
| Plan | Monthly billing | Annual billing (per month) | Includes | Source |
|---|---|---|---|---|
| Free | Free | — | — | vendor page |
| Go | $8 | — | — | vendor page |
| Plus | $20 | — | — | vendor page |
| Pro | $100 | — | Pro plans at $100, $200 or $500/month | vendor page |
| Business | $25 /user | $20 | 2+ users | vendor page |
| Enterprise & Edu | — | — | — | vendor page |
OpenAI Codex alternatives
Closest by category and shared features: Amp, Mistral Vibe, Claude Code, Warp, Devin, Kilo Code, OpenHands, Cursor. See all OpenAI Codex alternatives compared
Other CLI coding agents: Aider, Amp, Claude Code, Crush, Gemini CLI, goose, Mistral Vibe, OpenCode, Qwen Code, Warp.
OpenAI Codex comparisons
Claude Code vs OpenAI CodexCursor vs OpenAI CodexOpenCode vs OpenAI CodexGoogle Antigravity vs OpenAI CodexGitHub Copilot vs OpenAI CodexGemini CLI vs OpenAI CodexOpenAI Codex vs ClineWindsurf vs OpenAI CodexReplit Agent vs OpenAI CodexKiro vs OpenAI CodexLovable vs OpenAI CodexOpenAI Codex vs DevinBase44 vs OpenAI Codex
Lists that include OpenAI Codex
Best AI coding assistantsBest AI coding toolsBest AI for codingBest AI coding agentsBest free AI coding assistantsBest free AI coding agentsBest enterprise AI coding assistantsBest AI code review toolsBest self-hosted AI coding assistantsBest CLI coding agentsBest AI pair programmersBest AI code completion toolsBest background / cloud coding agentsBest AI code security scanners
Guides
AGENTS.md: the README for coding agentsCodex in ChatGPT plans: Free, Go, Plus, Pro and BusinessVibe coding vs agentic coding: what is the difference?What is agentic coding?What is an AI coding agent?
Sources
Checked Oct 26, 2026 on the vendor's own site. Prices change; confirm with OpenAI before you buy. Spotted an error? Send a correction.
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