Name: Codex
Brand: OpenAI

Codex by OpenAI — Product Research | aVenture

OpenAI Codex is OpenAI's software engineering agent for working on code tasks in cloud development environments. It can inspect repositories, propose changes, run checks, and help developers move implementation work through review.

The product is part of OpenAI's coding product family and competes with other agentic coding tools, including Claude Code, GitHub Copilot, Cursor, and Gemini Code Assist.

Codex - Direct Competitors

Attribute	Codex	Claude Code	Cline CLI, Cline Coding Agent, Cline Enterprise, Cline for JetBrains, Cline VS Code Extension	DeepWiki, Devin, Devin CLI, Devin Desktop	Droid	GitHub Copilot	Mistral Vibe	Open Agent Workspace	OpenCode, OpenCode Go	Sourcegraph Amp
Provider	OpenAI openai.com$133.4B raised · Seed	Anthropic anthropic.com$139.1B raised · Series H	Cline cline.bot$32M raised · Series A	Cognition cognition.ai$596M raised · Series C	Factory factory.ai$155M raised · Series C	GitHub$7.8B raised	Mistral AI mistral.ai$4B raised · Series C	Proliferate proliferate.com	Anomaly anoma.ly$1.1M raised · Seed	Sourcegraph sourcegraph.com$248M raised · Series D
Founded	2015	2021	2024	2023	2023	2008	2023	2025	2017	2013
Sells To	Enterprises, Individuals	Enterprises	Enterprises, Individuals	Enterprises	Enterprise	Enterprise	Enterprises	Software engineering teams	Enterprise, Small Business	Enterprise
Pricing Model	Subscription, Usage-based	Recurring, Usage-based	Recurring Subscription, Recurring Usage-Based	—	Recurring	Recurring, Software, Usage-based	Subscription, Usage-based	Open source with cloud beta	Recurring, Software, Usage-based	Recurring
Ownership	Private, Public Benefit Corporation	Venture Capital	Open-Source, Private	Private	Venture Capital	Acquired, Equity, Venture Capital	Private	Privately Held	Private, Venture Capital	Private, Venture Capital