What it does
ChatGPT by OpenAI is the most widely used AI assistant, capable of writing, coding, analysis, image generation (via DALL-E), web browsing, and file processing. It supports custom GPTs, plugins, and a massive ecosystem of integrations. The free tier provides access to GPT-4o, while paid plans unlock advanced reasoning and extended context.
Guides that use this tool
Step-by-step walkthroughs for this tool
Skills teach Codex how to run your workflow. Plugins connect Codex to tools and package reusable setups. Here is the practical designer version, with examples for design QA, docs, inbox triage, and design-system audits.
Use Codex subagents to run accessibility, first-time user, copy, edge-state, and design-system reviews in parallel, then merge the findings into one prioritized report.
OpenAI Codex is a coding agent you can use from the app, terminal, IDE, cloud, and mobile. This designer-friendly setup guide shows what to install, what to connect, and the first safe tasks to run.
