AI Tool Guides: Codex, Claude, Gemini and Grok
Compare AI working environments by task and access, then open practical handbooks for Codex, Claude Code, Claude, Gemini and Grok.
Choose a working environment by task and access. These are editorial starting points, not benchmark rankings. Reviewed September 6, 2026.
Codex
Project files and execution tools.
Open a practice project in Codex. Confirm the workspace path and available file, shell and browser tools.
Claude Code
Coding workspace and commands.
Open the chosen project in Claude Code. Confirm the working directory, instructions and available commands.
Claude
Supplied references and project context.
Open a Claude chat or project and supply the approved references needed for this task.
Gemini
Conversation and selected research sources.
Open Gemini and choose the relevant mode. For research, review the research plan and selected sources.
Grok
Conversation; search where available.
Open Grok, check the selected model and confirm whether current web or X search is available for this task.
Build your mission | Check the model radar.
Related Power of AI pages
Keep reading with Start here, everyday uses, the tool guide, the writing workshop, and sources and standards.