A developer creates a custom Codex Desktop pet called Pedalican, a pelican on a bicycle, using GPT-5.6 and image generation.
A developer's reflections on using AI agents for coding, testing, and bug fixing, including a fabricated bug reproduction story.
Explains how to build robust agent workflows by coordinating with state ownership instead of relying on timing, using a Codex migration example.
Google launches Antigravity 2.0, a redesigned AI IDE that removes traditional IDE features for a conversational agent interface.
A quote from Romain Huet confirming OpenAI won't release a separate GPT-5.5-Codex model, as coding capabilities are unified.
GPT-5.5 is released via Codex; a new LLM plugin uses the semi-official backdoor API to access it through OpenAI subscriptions.
Release of llm-openai-via-codex 0.1a0, enabling OpenAI model access via Codex CLI credentials.
Release of llm-openai-via-codex 0.1a0, a plugin to access OpenAI models via Codex CLI credentials.
OpenAI offers 6 months of ChatGPT Pro with Codex to core maintainers of significant open source projects, following a similar move by Anthropic.
OpenAI announces GPT-5.4 and GPT-5.4-Pro models with enhanced coding, document creation, and a 1M token context window.
Managing multiple AI coding agents in Xcode by isolating their DerivedData folders to prevent build conflicts and maintain a clean workspace.
OpenAI's Codex Spark, a fast coding model, runs on Cerebras' WSE-3 chip, marking a shift in AI inference hardware for low-latency tasks.
OpenAI and Cerebras launch GPT-5.3-Codex-Spark, an ultra-fast, text-only AI model for real-time coding with a 128k context window.
OpenAI and Cerebras launch GPT-5.3-Codex-Spark, an ultra-fast, text-only AI model for real-time coding with a 128k context window.
Guide to configuring and using agentic coding tools like Codex and Claude in Xcode 26.3, including setup and integration tips.
A developer shares a tool for tracking Codex AI token usage and costs from local logs, providing detailed daily breakdowns.
An OpenAI researcher describes using Codex AI to automate code exploration, experiment setup, and hyperparameter tuning for unfamiliar codebases.
An OpenAI researcher describes using Codex AI to automate due diligence, code exploration, and hyperparameter tuning for experiments.
The author describes using an LLM (Codex) to rewrite the pycparser project, replacing its PLY-based parser with a hand-written recursive-descent parser.
OpenAI has rebranded its Codex Cloud service to Codex Web, aligning the name with its web application interface.
