Coding Agents

OpenAI Codex CLI

As of 15 June 2026, OpenAI Codex CLI ranks 13th of 25 in Coding Agents on the Agent Reality Index — scored 56.1 of 100, led by market demand.

#13 56.1 Index / 100

Score breakdown

Market demand 48
Developer adoption 52
Real usage 80
Momentum 77
Production readiness 61
Community 43

Why this rank: the index weights market demand most heavily — how much OpenAI Codex CLI is actually searched for and asked about inside AI tools.

Real-world demand

22kGoogle searches / mo
22AI / LLM searches / mo
91kGitHub stars

Demand measured via Disambiguated brand search · confidence: medium

GitHub repository ↗ Full Coding Agents board → Methodology →
Common questions

OpenAI Codex CLI — frequently asked questions

What is OpenAI Codex CLI's Agent Reality Index ranking?

As of 15 June 2026, OpenAI Codex CLI ranks 13th of 25 in Coding Agents, with an overall Agent Reality Index score of 56.1 of 100.

How is OpenAI Codex CLI scored?

The index blends six real-world signals — market demand (weighted most heavily), developer adoption, real usage, momentum, production-readiness, and community — into a 0–100 score, rather than relying on GitHub stars or vendor opinion.

Is OpenAI Codex CLI open source?

OpenAI Codex CLI is open source; its code is publicly available on GitHub.

How popular is OpenAI Codex CLI?

Measured 15 June 2026, OpenAI Codex CLI draws about 22k Google searches a month, around 22 AI and LLM searches, roughly 91k GitHub stars. Demand confidence is rated medium.

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