https://ostler.ai/blog.html Notes from the workshop. Local-first personal AI, architecture, and the industry moves that keep confirming the bet. Written in Hong Kong. en-GB Mon, 27 Jul 2026 09:00:00 +0800 1440 https://ostler.ai/blog-personal-unbundling.html https://ostler.ai/blog-personal-unbundling.html Mon, 27 Jul 2026 09:00:00 +0800 Jake Saper at Emergence Capital just published a thesis piece on why enterprise AI is unbundling from the model layer to the data + workflows built on top. He is describing the enterprise version of the shift Ostler is built on for individuals. The personal unbundling is next. https://ostler.ai/blog-open-weight-letter-our-supply-chain.html https://ostler.ai/blog-open-weight-letter-our-supply-chain.html Sun, 26 Jul 2026 09:00:00 +0800 Yesterday Satya Nadella, Jensen Huang, and thirty-plus other technology leaders signed an open letter in support of open-weight AI models. That letter is Ostler’s supply-chain agreement. Here’s why it matters if you want to own the intelligence on your Mac. https://ostler.ai/blog-everyone-is-building-a-memory-of-you.html https://ostler.ai/blog-everyone-is-building-a-memory-of-you.html Mon, 20 Jul 2026 09:00:00 +0800 Employers, ad platforms and data brokers all keep a durable, machine-readable memory of you, and not one of them is for you. A memory of your whole life is the limit case of intimate data. Only one of them should be yours. https://ostler.ai/blog-context-is-the-moat.html https://ostler.ai/blog-context-is-the-moat.html Thu, 25 Jun 2026 09:00:00 +0800 A well-funded lab just put the most credible names in AI behind the idea that models should learn from your context. We agree. The only question left is where that memory lives, and who controls it. https://ostler.ai/blog-personal-ai-race-unsolved.html https://ostler.ai/blog-personal-ai-race-unsolved.html Wed, 27 May 2026 09:00:00 +0800 Two independent pieces, one from a creator-economy newsletter and one from a developer publication, land on the same answer. Nobody has won the personal AI agent race. The bottleneck is not the model and it is not the hardware. It is whether the agent is wired into the customer’s actual life with access to their actual data. https://ostler.ai/blog-single-machine-single-customer-single-source-of-truth.html https://ostler.ai/blog-single-machine-single-customer-single-source-of-truth.html Fri, 22 May 2026 09:00:00 +0800 “Local-first” has become a polite lie in personal AI. Most products marketed as local actually keep the heavy lifting in the cloud, with the cache on your device. Ostler runs every component on a single Mac, the one the customer already owns. https://ostler.ai/blog-observe-to-act-locally.html https://ostler.ai/blog-observe-to-act-locally.html Wed, 20 May 2026 11:00:00 +0800 Kenan Saleh of a16z Speedrun: AI is shifting from ask-to-answer to observe-to-act. Continuous monitoring, proactive prompting, action before being asked. He names two products doing it; both are cloud. Here is what observe-to-act looks like when the data stays on your machine. https://ostler.ai/blog-ai-note-takers-privilege.html https://ostler.ai/blog-ai-note-takers-privilege.html Wed, 20 May 2026 10:00:00 +0800 The New York Times reports lawyers becoming bouncers at virtual meetings, kicking out cloud AI note-takers. The privilege risk is architectural, not editorial. Here is what changes when the note-taker runs on the customer’s own machine. https://ostler.ai/blog-nutrition-label-architecture-not-policy.html https://ostler.ai/blog-nutrition-label-architecture-not-policy.html Wed, 20 May 2026 09:00:00 +0800 Apple’s App Store privacy nutrition label is the only privacy disclosure surface in tech with structural enforcement. The Ostler iOS app declares zero tracking and no linked data, because there is no Ostler server to link data to. https://ostler.ai/blog-most-intimate-technology-is-a-pipeline.html https://ostler.ai/blog-most-intimate-technology-is-a-pipeline.html Mon, 18 May 2026 09:00:00 +0800 A class action filed in California this month alleges that chatbot conversations have been routed through advertising trackers. Privacy by policy cannot prevent this kind of leak. Only architecture can. https://ostler.ai/blog-three-verdicts.html https://ostler.ai/blog-three-verdicts.html Sun, 26 Apr 2026 09:00:00 +0800 Three independent vantage points have converged on the same architecture for personal AI in the last six months: a senior diplomat using it daily, a leading researcher describing it on stage, and a founder shipping it to customers. They had no reason to agree. https://ostler.ai/blog-apple-intelligence-proves-the-market.html https://ostler.ai/blog-apple-intelligence-proves-the-market.html Sat, 25 Apr 2026 11:00:00 +0800 Apple is about to announce Siri routing through a cloud AI partner. Here is why that confirms the category Ostler is building, rather than competing with it. https://ostler.ai/blog-openai-privacy-filter.html https://ostler.ai/blog-openai-privacy-filter.html Sat, 25 Apr 2026 10:00:00 +0800 On 21 April 2026, OpenAI released a 1.5B parameter MoE model for local PII detection under Apache 2.0. Here is why we are adding it to Ostler's pipeline and what it says about the future of private AI. https://ostler.ai/blog-karpathy-cognitive-core.html https://ostler.ai/blog-karpathy-cognitive-core.html Sat, 25 Apr 2026 09:00:00 +0800 On Dwarkesh on 17 October 2025, Andrej Karpathy argued that a small reasoner with external memory beats a 1.8T monolith. That is the architecture Ostler has been running since late 2025. https://ostler.ai/blog-launch.html https://ostler.ai/blog-launch.html Sat, 18 Apr 2026 09:00:00 +0800 After twenty years of giving my data to tech companies, I built a personal knowledge graph that runs entirely on a Mac Mini in my house. Here is why.