The Signal: Practical AI News and Experiments

Read the latest dated Signal and browse earlier editions. AI changes explained through useful work, limits and one experiment to try.

A recurring column, published when an edition is ready. Each date is explicit; model announcements also appear in Model radar.

Latest edition: The Signal: AI You Can Use This September

2026-09-07. A September 7 briefing on Astra, Fable 5.1, Gemini, Copilot, memory, learning tools and AI search, with practical experiments for work, study and everyday life.

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The Signal: A model name is not a finished project

2026-09-06. The September 6 Signal connects the model announcements to useful work: choose an environment, make one small thing and check the result.

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The Signal: ChatGPT, Codex, and the GPT-5.6 Workbench

2026-07-16. What changed in the July 2026 ChatGPT desktop app, Codex, GPT-5.6 Sol, Terra and Luna, Ultra, credits, usage views, and eligible rate-limit resets.

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The Signal: The Month AI Needed a Permission Slip

2026-06-25. A dated June 25, 2026 snapshot of the GPT-5.6 delay and Fable/Mythos suspension, with a July status correction.

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The Signal: The Week Claude Got Too Powerful to Stay Boring

2026-06-14. The June 14 Power of AI weekly roundup: Claude Fable 5, Claude Mythos 5, the US access suspension, agent risk, and what normal users should do now.

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The Signal: The Week AI Search Got Less Mystical

2026-06-06. The June 6 Power of AI weekly roundup: Google resets AEO hype, Codex moves into knowledge work, Project Glasswing expands, and the practical move for site owners.

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The Signal: The Week AI Moved From Chat to Work

2026-05-29. The first Power of AI weekly roundup: Claude Opus 4.8, Gemini Omni, Spark, Claude Code dynamic workflows, AI search visibility, and what actually matters.

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Related Power of AI pages

Keep reading with Start here, everyday uses, the tool guide, the writing workshop, and sources and standards.