Codex.app のチュートリアルとして作成した、シンプルな Todo アプリです。 要件整理と進め方は ChatGPT の提案を参考にしました。

APEX provides deterministic execution where identical inputs produce identical results, making it reliable for automation workflows and reproducible task sequences. The system maintains a minimal ...

GPT-5.3-Codex helped debug and deploy parts of itself. Codex can be steered mid-task without losing context. "Underspecified" prompts now produce richer, more usable results. OpenAI today announced ...

OpenAI has launched a new Codex desktop app aimed at helping developers manage multiple AI agents working in parallel across long-running software projects. The macOS app acts as a command center ...

Codex is an AI system made by OpenAI that can read and write computer code. It can write code, suggest changes, explain code that is already there, and help fix bugs.It works with a number of ...

GPT-5.3-Codex can now operate a computer as well as write code It's also quicker, uses fewer tokens and can be reasoned with mid-flow Codex 5.3 was even used to build itself and the team was "blown ...

On Thursday, OpenAI announced the release of a light-weight version of its agentic coding tool Codex, the latest model of which OpenAI launched earlier this month. GPT-5.3-Codex-Spark is described by ...

Today, OpenAI announced GPT-5.3-Codex, a new version of its frontier coding model that will be available via the command line, IDE extension, web interface, and the new macOS desktop app. (No API ...

Codex has been downloaded over a million times, users are up 60% in a week It'll stay free to all users, but Free/Go plans may face limits Deep Research gets new viewer and better controls It's barely ...

Artificial intelligence is entering the era of self-improvement. On Thursday afternoon, OpenAI released a new cutting-edge coding model that the company said assisted in its own creation.