NM

Author

Nathan Mzumara

Search & Digital Discovery Specialist

Writes at the intersection of AI Search, consumer behaviour, and measurement. Tracks ChatGPT, Claude, Gemini, Perplexity, Copilot, Grok, Meta AI, and Google AI Overviews each week.

5
Insightspublished
30
Digest issuesthis season
54
Glossary termsdefined
10
Platformstracked weekly

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Recent digest issues

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  • Issue 15September 7, 2026

    Issue 15. The week GPT-6 arrived and data sovereignty became infrastructure

    In three days starting 1 September, the AI frontier delivered more substantive releases than most months have managed. OpenAI launched GPT-6 Astra on 3 September, the most capable model the company has shipped, rated Critical for cybersecurity and gated behind the Daybreak programme before broader access followed. On 1 September, Anthropic released Claude Fable 5.1 with a 75 per cent reduction in cache-read costs and announced Enterprise Frontier Safeguards, a framework that stores activity logs in the customer's own cloud while Anthropic's detection layer still runs across them. Google published Gemini 3.8 Flash on 2 September, its third Flash model in six weeks, alongside a restricted cybersecurity variant for government and infrastructure operators. And Perplexity launched Hybrid Compute on Mac the same day, routing sensitive data to an on-device model while the cloud handles reasoning and planning. The week that opened September set the terms for the rest of the quarter.

  • Issue 164 September 2026

    Issue 16. OpenAI hits the Critical cyber line, ChatGPT Ads clears $1bn, Google rewires the SERP

    **This week the AI stack got riskier, pricier to ignore, and harder to scrape.** OpenAI's Astra is the first model to hit the Critical cybersecurity threshold, while ChatGPT Ads has quietly reached a $1bn run rate, turning the answer engine into a paid channel you now have to budget for. Meanwhile Google's new goto URL redirects are breaking third-party rank trackers, and a fresh open-source measurement tool from Google lands for post-cookie teams.

  • Issue 14August 31, 2026

    Issue 14. The week enterprise defaults were set and compute moved to the edge

    This week, enterprise AI stopped being optional infrastructure and started being built into the default systems organisations already run. Salesforce and Anthropic announced Claudeforce on 26 August, establishing Claude as the reasoning engine across the world's most-used enterprise CRM, while Google launched Ask Gemini inside Google Chat the same day, folding Gemini into the collaboration layer that hundreds of millions of Workspace users work inside daily. OpenAI published the first independently validated results from its Jalapeño chip at Hot Chips 2026, posting a 1.9x efficiency lead over Nvidia Blackwell and accelerating the timeline for frontier API pricing compression. Perplexity launched Portable Computer, the most aggressive attempt yet to move serious AI agent workloads off the cloud and onto local hardware, with a pricing model that charges nothing for work completed on-device. And Anthropic confirmed that Claude Sonnet 5's launch pricing is permanent, cancelling the 50 per cent increase that had been scheduled for 1 September.

Primary research · August 2026

How ChatGPT Shortlists Software Brands

An audit across 10 categories and 60 buying questions. I recorded what ChatGPT reads, throws away and links to when a buyer asks it which software to buy, and what that decides.

60
Questions asked
10
Software markets
2,680
Results read
367
Links shown
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