Monster prompt, OpenAI’s business play, nano-banana and US Open experimentations

From the creator

Subscribe for AI updates → https://ibm.biz/BdeKV4 Would you trust a 100-page prompt to do your taxes? In episode 70 of Mixture of Experts, host Tim Hwang is joined by Aaron Baughman, Chris Hay and Lauren McHugh to talk about KPMG’s 100-page prompt they used to build their agentic TaxBot. Next, we debrief on OpenAI’s teasing of selling infrastructure in the future. The image model generation goes bananas, with the latest AI Image Model from Gemini: nano-banana. Finally, Aaron Baughman demonstrated three new features for the US Open website, powered by IBM watsonx-built generative AI models: Match Chat, Key Points, and Live Likelihood to Win. All that and more on today’s 70th episode of Mixture of Experts. 00:00 – Intro 3:05 – KPMG’s monster prompt 16:37 – OpenAI’s infra for sale? 25:10 – Gemini's nano-banana 35:11 – US Open experimentations The opinions expressed in this podcast are solely those of the participants and do not necessarily reflect the views of IBM or any other organization or entity. US Open powered by IBM Watsonx → https://ibm.biz/BdeKVe

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Makers residency 4th edition

Your idea can be anything. At our last workshops, people built plant-based nutrition businesses, a way to measure planetary resilience, crochet headwear and a way to connect lonely people living in the same building. An asset manager went on to raise an additional £25M on their fund within nine months. The fourth workshop is a full day at KOKO with Nick Sarafa, learning to build with Claude Code. Bring the thing you keep meaning to start. We’ll bring the pizza.

◆ Fri 13 Nov 2026 ◆ KOKO, London
Makers residency 4th edition
Live event
Makers residency 4th edition
Fri 13 Nov 2026

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