OpenAI Blog 22 hr ago

How Ramp engineers accelerate code review with Codex

How Ramp engineers use Codex with GPT-5.5 to review code and ship improvements, allowing them to get substantive feedback in minutes instead of hours.

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OpenAI Blog 6d ago

Sea's View on the Future of Agentic Software Development with Codex

Sea Limited's CPO explains why the company is deploying Codex across engineering teams to accelerate AI-native software development in Asia.

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OpenAI Blog May 7

Simplex rethinks software development with Codex

Simplex boosts software development with ChatGPT Enterprise and Codex, reducing design, build, and testing time while scaling AI-driven workflows.

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OpenAI Blog Apr 21

Scaling Codex to enterprises worldwide

OpenAI launches Codex Labs, partners with with Accenture, PwC, Infosys, and others to help enterprises deploy and scale Codex across the software development...

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OpenAI Blog Mar 19

OpenAI to acquire Astral

Accelerates Codex growth to power the next generation of Python developer tools

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OpenAI Blog Feb 2

Introducing the Codex app

Introducing the Codex app for macOS—a command center for AI coding and software development with multiple agents, parallel workflows, and long-running tasks.

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OpenAI Blog Jan 22

Scaling PostgreSQL to power 800 million ChatGPT users

An inside look at how OpenAI scaled PostgreSQL to millions of queries per second using replicas, caching, rate limiting, and workload isolation.

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OpenAI Blog Jan 9

Datadog uses Codex for system-level code review

OpenAI and Datadog brand graphic with the OpenAI wordmark on the left, the Datadog logo on the right, and a central abstract brown fur-like texture panel on ...

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OpenAI Blog Oct 10

HYGH speeds development and campaigns with ChatGPT Business

HYGH speeds up software development and campaign delivery with ChatGPT Business, cutting turnaround times, scaling output, and driving revenue growth.

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OpenAI Blog May 22

Shipping code faster with o3, o4-mini, and GPT-4.1

CodeRabbit uses OpenAI models to revolutionize code reviews—boosting accuracy, accelerating PR merges, and helping developers ship faster with fewer bugs and...

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OpenAI Blog May 16

Addendum to o3 and o4-mini system card: Codex

Codex is a cloud-based coding agent. Codex is powered by codex-1, a version of OpenAI o3 optimized for software engineering. codex-1 was trained using reinfo...

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OpenAI Blog Apr 16

OpenAI o3 and o4-mini System Card

OpenAI o3 and OpenAI o4-mini combine state-of-the-art reasoning with full tool capabilities—web browsing, Python, image and file analysis, image generation, ...

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