$DJT Goes Nuclear, OpenAI in talks at $750B, 2025 Model Wars in Review | Brian Armstrong & Tarek Mansour, Simon Eskildsen
December 18, 2025
AI Summary
5 min read🎙️ The Voices & The Context
- The Format: This high-energy live stream from the TBPN Ultra Dome blends rapid-fire timeline reactions, sponsor shoutouts, and guest interviews into a chaotic tech news roundup centered on AI breakthroughs, mega-deals, and market scoops. Combative banter and insider scoops dominate.
- The Format: Casual host discussion with celebrity CEO interviews.
- The Key Players:
- Hosts Mike and Tyler: Razor-sharp chemistry fueled by playful roasts, shared skepticism of AI "stagnation," and unfiltered takes on viral clips, turning dense finance/tech news into digestible entertainment.
- Guests: Brian Armstrong (Coinbase CEO) hyping prediction markets; Tarek (Kalshi co-founder) on liquidity growth; Simon (TurboPuffer CEO) celebrating stealthy funding.
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What you'll learn
- 1 `(00:00)` **🎙️ Introduction: Brian Armstrong (Coinbase CEO) & Tarek Mansour (Kalshi Co-founder)**
- 2 `(00:42)` **Viral Haircut Video Reaction**
- 3 `(02:24)` **Arena Magazine Feature**
- 4 `(04:53)` **OpenAI $750B Valuation Scoop**
- 5 `(08:30)` **Warner Bros/Netflix Photo & M&A Drama**
- 6 `(17:31)` **IPO Lockups & SpaceX Challenges**
- 7 `(23:08)` **Medline IPO Success**
+ Full timestamped outline available in the app
Show Notes
- (00:30) - 𝕏 Timeline Reactions
- (05:02) - OpenAI in talks at $750B
- (08:56) - WB Board Questions Paramount's Funding Stability
- (23:03) - 𝕏 Timeline Reactions
- (55:03) - Brian Armstrong and Tarek Mansour are the co-founders of Coinbase, one of the world’s largest cryptocurrency platforms. Armstrong, a former Airbnb engineer, serves as CEO and has been a leading advocate for mainstream crypto adoption, while Mansour, Coinbase’s CTO, architected much of the company’s core infrastructure and security systems.
- (01:11:58) - 𝕏 Timeline Reactions
- (01:44:16) - Simon Hørup Eskildsen, co-founder and CEO of turbopuffer—a serverless vector and full-text search platform—discusses the company's recent addition of Thrive Capital as an investor, emphasizing their preference for a concentrated cap table with long-term partners. He highlights the importance of customer satisfaction over fundraising figures, sharing a positive testimonial from Notion's co-founder, Akshay Kothari, about turbopuffer's impact on product development. Eskildsen also notes the company's growth to 22 employees and their focus on scaling infrastructure to handle increasing data demands in AI applications.
- (02:01:48) - 𝕏 Timeline Reactions
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