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An in-depth article on mastering OpenAI Codex, covering a complete knowledge system from mental models to practical applications such as large-scale code migration, security auditing, performance optimization, team collaboration, building a personal AI operating system, and product development.
Discusses using OpenAI Codex (based on Rust), Claude Code and Mimo for reverse analysis, and AI harness tools to restore business requirements from code, and mentions that the Kimi team switched from Python CLI to TypeScript+Bun.
Recommend using the scheduled task feature of OpenAI Codex. For just $20 per month, it automatically generates professional US stock financial daily reports without any code configuration, and includes a detailed prompt template.
Technical breakdown of how macOS can support two simultaneous cursors (user and AI agent) via Accessibility API and low-level CGEvent dispatching, enabling background computer use without foreground interruption.
A new open-source library on GitHub provides 136 ready-to-use Codex subagents for specialized development tasks like backend, infrastructure, and security, allowing users to delegate specific workflows to focused AI assistants.
A demonstration of a multi-agent workflow where Codex builds code, Claude Code reviews it, and Hermes manages orchestration, all tracked on a Kanban board.
A user shares a strategy for optimizing OpenAI Codex 5.5 by using the 'extra high' variant for planning and the 'medium' variant for execution with specific error-handling rules to improve efficiency.
NVIDIA engineers and researchers are using OpenAI Codex, powered by GPT-5.5, as their default tool for complex engineering tasks and end-to-end machine learning workflows. The article highlights significant productivity gains, autonomous system building, and research automation achieved through this integration on NVIDIA infrastructure.
The article highlights the utility of thread automations in Codex, allowing the AI to resume tasks within the same context on a schedule rather than restarting, which improves continuity for checking or reviewing workflows.
A developer shares a weekend hack using OpenAI Codex to rapidly build a MIDI keyboard watcher and practice web app in under five minutes.
The author describes a workflow update using Hermes Agent and OpenAI Codex via Telegram to dynamically set and track goals on a Kanban board.
The user seeks a value comparison between Claude Code and OpenAI Codex $20 subscriptions, sharing their personal workflow involving Haiku, Sonnet, Qwen, and DeepSeek.
The author claims to have created a promotional video for Pop Mart using Codex and HyperFrames, highlighting the combination of top-tier IP and visual design for marketing purposes.
Singular Bank has deployed an internal AI assistant called Singularity, powered by ChatGPT and Codex, to help bankers analyze portfolios and draft communications, saving 60-90 minutes per day.
OpenAI-endorsed Codex tutorial enables solo developers to build iOS apps, write code, and generate investor decks through reusable custom skills and automation.
OpenAI confirms Codex remains available in both free and $20 Plus plans, citing sufficient compute and efficient models, with promises of community engagement for future changes.
OpenAI Codex, a natural language-to-code system based on GPT-3, is now powering 70+ applications across various use cases including GitHub Copilot. Azure OpenAI Service has expanded availability to limited preview, enabling enterprise access to Codex and other OpenAI models.
loveholidays uses OpenAI's Codex as a unified interface to democratize technical best practices across teams, resulting in significant productivity gains, including a 73% increase in deployment volume and halved support requests.
NTT Data's internal adoption of OpenAI's Codex has automated complex IT and sales tasks, reducing expert analyses from two days to 30 minutes and creating new workflows.
NTT Data used OpenAI Codex to automate complex analysis and reporting tasks, reducing processing time from two days to 30 minutes, and drove new workflow changes for the sales team.