CASEOpenAI Blog·15h ago
What Codex unlocks for Notion
This content details how Notion utilizes Codex to streamline spec creation, develop AI Voice Input for the web, and enhance the engineering capabilities of small teams.
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ARTICLEDEV.to AI·4/19/2026
How I Use Claude Code and Codex Together to Build .NET Features Faster
This article outlines a method for combining Claude Code and Codex to optimize .NET feature development, overcoming common context and consistency issues in AI tools. The strategy involves Claude for planning and Codex for building, interconnected by a markdown file for efficient communication.
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ARTICLEDEV.to AI·2d ago
Harness Engineering: Leveraging Codex in an Agent-First World
AI coding agents, such as OpenAI's Codex, are transforming software delivery by enabling agent-first engineering. Harness engineering, which involves structuring codebases and workflows for agent readability and execution, is becoming a key competency for teams leveraging AI in production CI/CD pipelines.
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CASEOpenAI Blog·26d ago
Building a safe, effective sandbox to enable Codex on Windows
OpenAI developed a secure sandbox for Codex on Windows, enabling safe and efficient coding agents. This was achieved through controlled file access and network restrictions.
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DOCOpenAI Blog·4/23/2026
Codex settings
This content explains how to configure Codex settings, covering personalization, detail level, and permissions, to optimize task performance and customize your workflow.
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ARTICLEDEV.to AI·10d ago
I tracked Claude Code and Codex pass-rates for 95 days — what "getting dumber" actually looks like
This article tracks the daily SWE-Bench-Pro pass rates for Claude Code and Codex over 95 days, debunking the "getting dumber" myth with data. It reveals a significant 11 percentage point improvement in task completion from Opus 4.6 (54%) to Opus 4.7 (65%), demonstrating the model's material betterment.
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NEWSThe Verge AI·26d ago
OpenAI’s Codex is now in the ChatGPT mobile app
OpenAI is making its Codex AI tool, which can write code and operate desktop applications, accessible through the ChatGPT mobile app. This move is a response to the popularity of Anthropic's Claude Code and part of OpenAI's strategy to grow its enterprise business and develop a desktop "superapp."
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DOCDEV.to AI·28d ago
How NVIDIA engineers and researchers build with Codex
NVIDIA engineers and researchers are leveraging OpenAI's Codex, an advanced AI model, for innovative engineering and research. They integrate Codex via API into their existing software development tools and create customized interfaces, optimizing its performance on NVIDIA GPUs for enhanced inference.
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DOCDEV.to AI·4/25/2026
Getting Started with ChatGPT Codex: Your First Step into AI-Powered Coding
This guide introduces ChatGPT Codex, an advanced AI coding agent designed for software engineering workflows that understands your codebase. It explains how to set up and effectively use this tool, which functions as an AI software engineer rather than just a pair programmer.
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ARTICLEDEV.to AI·4/14/2026
Claude Code vs Codex: Which AI Coding Tool Is Right for You?
This content provides a side-by-side breakdown of Anthropic's Claude Code and OpenAI's Codex, evaluating their features, strengths, and weaknesses as AI coding assistants. It serves as a guide for choosing or combining these advanced tools to optimize software development productivity.
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DOCOpenAI Blog·28d ago
How finance teams use Codex
This content illustrates how finance teams can leverage Codex to construct MBRs, reporting packs, variance bridges, model checks, and planning scenarios using real-world inputs.
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NEWSDEV.to AI·4/17/2026
OpenAI Codex Update Adds macOS Agent, Browser, Memory; 3M Weekly Users
OpenAI has released a major update to its Codex platform, now repositioning it as a general work agent with features like macOS automation, an in-app browser, and persistent memory. With 3M weekly users, nearly half of its usage is now non-coding, indicating a significant strategic pivot.
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CASEOpenAI Blog·11d ago
How Braintrust turns customer requests into code with Codex
Braintrust engineers leverage Codex with GPT-5.5 to conduct experiments and accelerate coding processes. This method enables them to more efficiently transform customer requests into functional code.
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CASEOpenAI Blog·12d ago
How Endava builds an agentic organization with Codex
This content details how Endava leverages Codex to build an agentic organization. This approach accelerates software delivery and significantly reduces requirements analysis time from weeks to hours.
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NEWSOpenAI Blog·13d ago
Cisco and OpenAI redefine enterprise engineering with Codex
Cisco and OpenAI are collaborating to redefine enterprise engineering with Codex, aiming to scale AI-native development, accelerate AI Defense work, and automate defect remediation.
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NEWSOpenAI Blog·22d ago
OpenAI and Dell partner to bring Codex to hybrid and on-premise enterprise environments
OpenAI and Dell have partnered to bring Codex to hybrid and on-premise enterprise environments. This collaboration aims to help businesses securely deploy AI coding agents across their data and workflows.
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CASEOpenAI Blog·26d ago
Sea's View on the Future of Agentic Software Development with Codex
Sea Limited's CPO explains the deployment of Codex across its engineering teams to accelerate AI-native software development in Asia. The company aims for the future of agentic software development with this initiative.
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CASEOpenAI Blog·13d ago
Building self-improving tax agents with Codex
OpenAI, Thrive, and Crete built a self-improving tax agent using Codex. This innovation automates tax filings, improves accuracy, and accelerates workflows.
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CASEOpenAI Blog·5/7/2026
Simplex rethinks software development with Codex
Simplex enhances its software development process by integrating ChatGPT Enterprise and Codex. This adoption leads to significant reductions in design, build, and testing times, while also enabling the scaling of AI-driven workflows.
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CASEOpenAI Blog·5/6/2026
Singular Bank helps bankers move fast with ChatGPT and Codex
Singular Bank developed Singularity, an internal AI assistant utilizing ChatGPT and Codex, to help bankers save 60-90 minutes daily on tasks like meeting preparation and portfolio analysis. This tool significantly boosts the daily efficiency of professionals.
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