XDA Developers had Claude Code (Opus 5), Codex (GPT-5.6) and Google Antigravity (Gemini 3.8) rebuild the same website from the same brief. The comparison shows which agent handles detail, polish and real-world edge cases best.
Why I recommend it: Useful if you are choosing an AI coding assistant for side projects or learning to prompt more effectively. The winner is not necessarily the one you would expect.
General-purpose AI agent that carries out multi-step tasks such as research, building files and automating workflows. Free plan with daily credits; paid plans add more usage.
Google Cloud's overview of 10+ AI tools with free usage tiers, from video and vision AI to app building. Requires a Google Cloud account; usage past free limits is billed.
AI-powered job search automation that sends high-volume, targeted applications and tracks interview requests. Freemium: the first 25 applications are free, then it is a paid subscription.
The hardware chapter of Stanford's annual AI Index report: data on AI chip performance, costs, and who controls the computing power behind modern AI.
Why I recommend it: Free to download. It's the institute's own synthesis, and some compute and investment figures come from data supplied by the companies being measured — the broad picture is reliable, the fine print less so.
