Codex
NewNew to the index — the Codex profile is being built from its website.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
- Codex ranks #4 of 46 in AI Coding Assistants with an AI visibility score of 20.9 (SlateIndex, Nov 3, 2026).
- Codex is most visible on ChatGPT (35.6) and least on Google AI Mode (10.4).
- AI engines name Codex in 18 of the 30 AI Coding Assistants buyer prompts SlateIndex tracks.
- github.com is the source AI engines cite most in answers about Codex, with 23 citations.
About
Company details for Codex
Codex is OpenAI's coding agent for software engineering tasks such as writing code and fixing bugs. It is offered as an open-source command-line tool, an IDE extension, a desktop app, a cloud agent that returns changes as pull requests, and an SDK for CI/CD pipelines. Codex Security is a separate agent that scans for vulnerabilities and proposes fixes. It ranks #4 of 46 in AI Coding Assistants on SlateIndex and has a visibility score of 20.9 in the latest weekly run.
Its differentiator: cloud tasks run in a sandboxed environment and return their changes as pull requests for review.
- Website
- openai.com
- Categories
- AI Coding Assistants
- Founded
- 2025
- Company type
- Division of OpenAI
- Deployment
- Cloud-hosted agent, with local CLI, IDE extension and desktop app surfaces.
Read from en.wikipedia.org, g2.com, developers.openai.com, farasat.me, datacamp.com, infoworld.com · refreshed Nov 3, 2026.
AI visibility
Latest weekly run · Nov 3 · next run Nov 9
Visibility score trend
Weekly runs over the last 60 days, with up to 7 competitors. Click a name to hide or show its line.
Changes appear after the second weekly run in AI Coding Assistants. GitHub Copilot leads the category at 76.5%.
AI mentions & citations
Recent answers that name Codex
Best AI coding assistant with AI features
As of November 2026, my top recommendation is OpenAI Codex for autonomous AI coding, with Cursor as the best all-around AI-powered coding IDE.
Official website of the top AI coding assistant vendors
What are the pros and cons of Aider?
Which AI coding assistant vendors do analysts recommend?
OpenAI (Codex / Enterprise Solutions) : Positioned as a major enterprise leader with powerful frontier model capabilities deployed widely across large-scale engineering organizations (such as NVIDIA's massive…
Official website of the top AI coding assistant vendors
OpenAI Codex — OpenAI: openai.com/codex
What is the difference between an AI coding assistant and Low-Code & No-Code?
Which AI coding assistant vendors do analysts recommend?
As of November 2026, the strongest analyst-backed shortlist of AI coding assistant vendors includes GitHub, Anthropic, Cursor, OpenAI, Google, Amazon Web Services (AWS), and Cognition.
Who makes the most used AI coding assistant?
Products & features
What Codex sells
Codex CLI
Open-source, Apache-2.0 licensed command-line coding agent, written mostly in Rust.
Codex cloud agent
Runs coding tasks in a sandboxed cloud environment and returns changes as pull requests for review.
Codex IDE extension
Codex inside the integrated development environment.
Codex desktop app
Desktop application for Codex, merged into the ChatGPT desktop app in July 2026.
Codex SDK
SDK for embedding Codex in CI/CD pipelines.
Codex Security
Application-security agent that scans for vulnerabilities and proposes fixes.
Strengths engines cite
- Strong for autonomous coding tasks
- Frequently included in top AI coding shortlists
- Enterprise-scale engineering adoption
- Deterministic multi-step task execution for OpenAI-first teams
- Delegated engineering tasks, code review, and cloud or parallel agent workflows
Target market & buyers
Software engineering teams on ChatGPT Business, Edu and Enterprise plans, as well as individual developers on other ChatGPT plans.
Notable customers include Kodiak.ai, Temporal.
Funding & recent developments
Funding
| Latest known round | Total raised |
|---|---|
| — | — |
Recent developments
- Oct 2026ProductCodex 0.164.0 adds enterprise MCP authentication
Release 0.164.0 added expanded enterprise MCP authentication.
- Sep 2026ProductReusable cloud environments announced at DevDay
Codex Security Cloud and reusable cloud dev environments were announced, along with a refreshed CLI.
- Jul 2026ProductCodex app merged into ChatGPT desktop app
The Codex desktop app was merged into the ChatGPT desktop app.
- Mar 2026SecurityCodex Security introduced
Application-security agent that scans for vulnerabilities and proposes fixes was introduced.
Competitive landscape
How Codex compares with its top three alternatives
Codex most often appears alongside Claude, GitHub Copilot, Cursor in AI answers.
| Brand | Visibility | Share of voice | vs last week | Starting price |
|---|---|---|---|---|
| Codex | 20.9% | 5.4% | New | Pricing not available |
| Claude | 47.5% | 11% | New | Pricing not available |
| GitHub Copilot | 76.5% | 14.7% | New | Pricing not available |
| Cursor | 67.7% | 13.6% | New | Pricing not available |
| Looker | 29.8% | 8.1% | New | Pricing not available |
What AI answers say
Sentiment and themes from the answers that mention this brand
Positive 64% · Neutral 20% · Mixed 16% of 25 engine answers that mention Codex
Praised for
- Strong for autonomous coding tasks
- Frequently included in top AI coding shortlists
- Enterprise-scale engineering adoption
- Deterministic multi-step task execution for OpenAI-first teams
- Delegated engineering tasks, code review, and cloud or parallel agent workflows
Criticised for
- Appears less consistently in enterprise analyst lists
Cite as: SlateIndex, “Codex AI visibility profile”, https://slateindex.ai/brand/codex, data of Nov 3, 2026. Licence: CC BY 4.0.