How We Used Codex to Ship Sora for Android in 28 Days
OpenAI used its Codex AI coding assistant to ship the Sora Android app in 28 days, leveraging AI-assisted planning, code translation, and parallel coding workflows. The case study highlights how a small team achieved rapid mobile development by integrating Codex throughout the engineering process. This serves as a concrete internal deployment example of agentic coding tools accelerating software delivery.
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Sea Limited's CPO on Deploying OpenAI Codex Across Engineering Teams
Sea Limited's Chief Product Officer David Chen discusses the company's decision to deploy OpenAI Codex across its engineering teams to accelerate AI-native software development in Asia. The piece frames Codex as a tool for agentic software development workflows. This is a customer perspective piece published on OpenAI's blog, highlighting enterprise adoption of Codex in a major Southeast Asian technology conglomerate.
Unlocking the Codex Harness: How OpenAI Built the App Server
OpenAI published a technical deep-dive on the Codex App Server, a bidirectional JSON-RPC API designed to embed the Codex coding agent into external applications. The server supports streaming progress updates, tool use, human-in-the-loop approvals, and diff outputs. The post explains the architectural choices enabling developers to integrate Codex agent capabilities programmatically.
Work with Codex from anywhere
OpenAI is extending Codex access to the ChatGPT mobile app, enabling users to monitor, steer, and approve coding tasks in real time from mobile devices and remote environments. This update brings Codex's agentic coding capabilities beyond desktop/web interfaces. The announcement positions Codex as a persistent, cross-device coding agent rather than a session-bound tool.
Scaling Codex to enterprises worldwide
OpenAI is launching Codex Labs and forming partnerships with major consulting and IT firms including Accenture, PwC, and Infosys to accelerate enterprise adoption of Codex across the software development lifecycle. The announcement reports 4 million weekly active users for Codex. This represents a significant push to embed OpenAI's coding AI into large-scale enterprise workflows through established system integrators.
Introducing upgrades to Codex
OpenAI has announced upgrades to Codex, its AI coding agent, improving speed, reliability, and real-time collaboration capabilities. The updates extend Codex's reach across multiple development environments including terminal, IDE, web, and mobile. The announcement emphasizes both interactive collaboration and autonomous task execution.
How NVIDIA Engineers and Researchers Build with Codex
OpenAI published a case study describing how NVIDIA teams use Codex powered by GPT-5.5 to ship production systems and accelerate research experimentation. The piece highlights enterprise adoption of Codex as a coding agent in a major hardware/AI lab context. It signals continued real-world deployment of OpenAI's agentic coding tools at scale.
How Endava builds an agentic organization with Codex
Endava, a technology services company, has deployed OpenAI's Codex to accelerate software delivery workflows and reduce requirements analysis time from weeks to hours. The case study describes Endava's approach to building an 'agentic organization' using Codex as a core tool. This is a deployment case study published on OpenAI's blog highlighting enterprise adoption of agentic coding capabilities.
Harness Engineering: Leveraging Codex in an Agent-First World
OpenAI published a technical post by Ryan Lopopolo describing how Codex is being used in an agent-first engineering workflow. The piece appears to cover practical patterns for integrating Codex into software development pipelines where AI agents take a more central role. As a Tier 1 source announcement, it likely details real-world engineering practices and lessons from deploying Codex at scale.