This Week In Startups is made possible by:Northwest Registered Agent: https://www.northwestregisteredagent.com/twistdomainOdoo: https://odoo.com/twistRippling: https://rippling.ai/twistPlaud: https://plaud.ai/twistHarmonic: https://harmonic.ai/twistToday’s show:Anthropic and OpenAI released cheaper models on the same day with Claude Opus 5.5 and GPT-6, and these VCs would still bet on open source. Jason brings on Dave McClure of Practical Venture Capital, Jeff Clavier of Uncork Capital, and Jenny Fielding of Everywhere Ventures to discuss the argument for open-weight models over the frontier labs.Learn why median seed valuations have more than tripled since 2017. Why does Dave say it's a buyer's market for secondaries right now? PLUS, does Meta's Muse leave any room for Instinct, and why are fintech and healthcare suddenly out of favor?Guests:Dave McClure on X: https://x.com/davemcclure?lang=enPractical Venture Capital: https://practicalvc.com/Jeff Clavier on X: https://x.com/jeffUncorked Capital: https://uncorkcapital.com/Jenny Fiedling on X: https://x.com/jefieldingEverywhere Ventures: https://www.everywhere.vc/Relevant Links:Instinct reportedly seeking $1B at a $10B valuation (report via The Information) → https://cryptobriefing.com/ai-assistant-startup-instinct-targets-10b-valuation-in-new-funding-talks-report/Meta's Muse, the agent the panel sees as Instinct's biggest threat, now on Mac → https://aiweekly.co/alerts/meta-ships-muse-for-mac-agent-now-acts-in-native-macos-appsTrump calls Jensen Huang onstage at the All-In Summit → https://thenextweb.com/news/trump-phoned-jensen-huang-onstage-at-the-all-in-summit-to-call-ai-fear-a-hoaxAI-assisted intel error nearly triggered a US intercept of a Chinese ship (CNN via gCaptain) → https://gcaptain.com/ai-error-nearly-triggered-u-s-intercept-of-chinese-ship-cnn-reports/Bernie Sanders' 50% AI sovereign wealth fund bill + Altman meeting (Fortune) → https://fortune.com/2026/06/18/bernie-sanders-ai-fund-bill-sam-altman-1000-payments/Stanley Druckenmiller's AI-written WSJ op-ed (Axios) → https://axios.com/2026/08/26/stanley-druckenmiller-ai-writing-wsj-op-edClaude Opus 5.5 and GPT-6 Sol/Luna launch the same day with price cuts (SiliconANGLE) → https://siliconangle.com/2026/09/22/anthropic-releases-claude-opus-5-5-and-openai-counters-with-two-cheaper-gpt-6-models/Zipline: LAUNCH's "miss," later backed through the syndicate → https://www.flyzipline.com/Micro1 → https://www.micro1.ai/Founder University → https://www.founder.university/ [VERIFY]The Syndicate: angel invest alongside LAUNCH (apply, waitlist) → https://thesyndicate.com/Timestamps:Subscribe to the TWiST500 newsletter: https://ticker.thisweekinstartups.comCheck out the TWIST500: https://www.twist500.comSubscribe to This Week in Startups on Apple: https://rb.gy/v19fcpFollow Lon:X: https://x.com/lonsFollow Jason:X: https://twitter.com/JasonLinkedIn: https://www.linkedin.com/in/jasoncalacanisThank you to our partners:(((Check out all our partner offers: https://partners.launch.co/Great TWIST interviews: Will Guidara, Eoghan McCabe, Steve Huffman, Brian Chesky, Bob Moesta, Aaron Levie, Sophia Amoruso, Reid Hoffman, Frank Slootman, Billy McFarlandSubscribe to our Substack Newsletters!TWiST: https://twistartups.substack.com/TWiAI: https://www.thisweekinai.ai/TWiVC: https://thisweekinvc.substack.com/Follow TWiST:Twitter: https://twitter.com/TWiStartupsYouTube: https://www.youtube.com/thisweekinInstagram: https://www.instagram.com/thisweekinstartupsTikTok: https://www.tiktok.com/@thisweekinstartupsSubstack: https://twistartups.substack.com