OpenAI Codex is a cloud coding agent for software engineering tasks.
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.
Anthropic
Claude Code
anthropic.com
Cline
Cline CLI, Cline Coding Agent, Cline Enterprise, Cline for JetBrains, Cline VS Code Extension
cline.bot
Tencent
CodeBuddy, WorkBuddy
tencent.com
Cognition
DeepWiki, Devin, Devin CLI, Devin Desktop
cognition.com
Factory
Droid
factory.com
Alphabet
Gemini CLI, Gemini Code Assist
abc.xyz
GitHub
GitHub Copilot
Mistral AI
Mistral Vibe
mistral.ai
Proliferate
Open Agent Workspace
proliferate.com
Anomaly
OpenCode, OpenCode Go
anoma.ly
Qodo
Qodo CLI
qodo.ai
Rimward
Quack Companion
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Amp
Sourcegraph Amp
| Attribute | Codex | Claude Code | Cline CLI, Cline Coding Agent, Cline Enterprise, Cline for JetBrains, Cline VS Code Extension | CodeBuddy, WorkBuddy | DeepWiki, Devin, Devin CLI, Devin Desktop | Droid | Gemini CLI, Gemini Code Assist | GitHub Copilot | Mistral Vibe | Open Agent Workspace | OpenCode, OpenCode Go | Qodo CLI | Quack Companion | Sourcegraph Amp | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Provider |  | | | | | | | | | | | | | | |
| Founded | 2015 | 2021 | 2024 | 1998 | 2023 | 2023 | 1998 | 2008 | 2023 | 2025 | 2017 | 2022 | 2023 | 2025 | |
| Sells To | Enterprises, Individuals | Enterprises | Enterprises, Individuals | Enterprises, Individuals | Enterprises | Enterprise | Consumers, Enterprise | Enterprise | Enterprises | Software engineering teams | Enterprise, Small Business | Enterprises | B2B, Enterprise, Small Business | — | |
| Pricing Model | Subscription, Usage-based | Recurring, Usage-based | Recurring Subscription, Recurring Usage-Based | Subscription | — | Recurring | Advertising, Recurring, Transactional | Recurring, Software, Usage-based | Subscription, Usage-based | Open source with cloud beta | Recurring, Software, Usage-based | Subscription | Recurring, Software | — | |
| Ownership | Private, Public Benefit Corporation | Venture Capital | Open-Source, Private | Public | Private | Venture Capital | Public | Acquired, Equity, Venture Capital | Private | Privately Held | Private, Venture Capital | Private | Private, Venture Capital | — |
Provider
Founded 2015
Sells To Enterprises, Individuals
Pricing Model Subscription, Usage-based
Ownership Private, Public Benefit Corporation
Provider
Founded 2021
Sells To Enterprises
Pricing Model Recurring, Usage-based
Ownership Venture Capital
Provider
Founded 2024
Sells To Enterprises, Individuals
Pricing Model Recurring Subscription, Recurring Usage-Based
Ownership Open-Source, Private
Provider
Founded 1998
Sells To Enterprises, Individuals
Pricing Model Subscription
Ownership Public
Provider
Founded 2023
Sells To Enterprises
Pricing Model —
Ownership Private
