# THIS WEEK IN AI: OpenAI Pauses Research, Huge Medical Breakthrough, Unitree IPO

Page: https://stenobird.com/podcast/limitless-an-ai-podcast-7326914/this-week-in-ai-openai-pauses-research-huge-medical-breakthrough-unitree-ipo
Text version: https://stenobird.com/podcast/limitless-an-ai-podcast-7326914/this-week-in-ai-openai-pauses-research-huge-medical-breakthrough-unitree-ipo.md
Podcast: [Limitless: An AI Podcast](https://stenobird.com/podcast/limitless-an-ai-podcast-7326914)
Published: 2026-08-21T12:26:14+00:00
Episode link: https://share.transistor.fm/s/1b7755ce
Audio file: https://media.transistor.fm/1b7755ce/7c10cbbf.mp3
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JSON: https://stenobird.com/v1/public/podcasts/limitless-an-ai-podcast-7326914/episodes/this-week-in-ai-openai-pauses-research-huge-medical-breakthrough-unitree-ipo
Duration seconds: 2111

## Resource

This week in AI, we discuss OpenAI’s pause on reinforcement learning training amid safety concerns, including a model reportedly showing misalignment and possible concealment of its internal thoughts. We also cover broader AI cyber risks, a Moderna and Merck melanoma study, Etched’s funding round, Unitree’s IPO, Stripe’s acquisition of OpenRouter, and NVIDIA’s planned investment in OpenAI infrastructure. ------ 🔒 Check Out Our Sponsor: LEDGER AGENT STACK 🔒 https://developers.ledger.com/docs/ai-tools/overview/?utm_source=Audio&utm_medium=Podcasts&utm_campaign=Limitless ------ 🌌 LIMITLESS HQ ⬇️ NEWSLETTER: https://limitlessft.substack.com/ FOLLOW ON X: https://x.com/LimitlessFT SPOTIFY: https://open.spotify.com/show/5oV29YUL8AzzwXkxEXlRMQ APPLE: https://podcasts.apple.com/us/podcast/limitless-podcast/id1813210890 RSS FEED: https://limitlessft.substack.com/ ------ TIMESTAMPS 0:00 OpenAI Hits Pause 2:51 AI Virus Scenarios 10:19 Cancer Breakthrough 17:00 Etched Rises Fast 20:41 Unitree Mania Grows 23:46 Stripe Bets on Singularity 29:30 NVIDIA Funds the Future ------ RESOURCES Josh: https://x.com/JoshKale Ejaaz: https://x.com/cryptopunk7213 ------ Not financial or tax advice. See our investment disclosures here: https://www.bankless.com/disclosures⁠ Josh works with Anthropic as a contractor. All views expressed are his own and do not represent Anthropic, its leadership, or its affiliates. Nothing in this episode is investment advice.

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