20VC: Anthropic Surpasses OpenAI Revenue | OpenAI Acquisition of TBPN: Analysed | OpenAI Management Team Reboot | YC Kicks Delve Out | Mercor Hack and Why Now is the Time for Cyber | Supabase Raising at $10BN & Doug Leone Returns to Sequoia

What It Covers

Harry Stebbings, Rory O'Driscoll, and Jason Lemkin analyze five major tech stories: Anthropic surpassing OpenAI at $30B ARR with training costs one-quarter of OpenAI's, OpenAI's wholesale management reboot, the TBPN acquisition, SpaceX's confidential IPO filing at a $2T valuation, and Supabase raising at a $10B valuation.

Key Questions Answered

• •Anthropic's cost advantage compounds: Anthropic reached $30B ARR in roughly three years while maintaining training costs one-quarter of OpenAI's. When a competitor simultaneously out-accelerates you and operates more efficiently below the gross margin line, the gap compounds exponentially. Investors should treat this dual advantage — faster revenue growth plus lower structural costs — as a more dangerous competitive signal than revenue trajectory alone.
• •OpenAI equity liquidity window: Holders of OpenAI equity at the $820B valuation should treat any tender offer as a serious exit opportunity rather than a hold. When a company shows simultaneous management turnover, a competitor accelerating faster, and a majority of its latest funding round arriving as non-cash compute offsets rather than hard dollars, the risk profile at that valuation deteriorates materially and quickly.
• •M&A deals die with management changes: The TBPN acquisition originated in January under different leadership priorities. By April, the same deal would almost certainly not have been approved. For founders evaluating acquisition offers, management turnover at the acquirer is the single most reliable deal-killer — the executive championing a deal rarely survives long enough to close it, making default acceptance of attractive offers strategically rational.
• •SpaceX IPO valuation is an Elon premium bet: SpaceX's standalone asset was valued at $400B less than twelve months before the $2T IPO target. The gap between any sum-of-parts analysis and the whisper number represents entirely the Elon premium. With a 30% retail allocation and limited underwriter leverage over Elon, the IPO price will likely be willed into existence on day one regardless of fundamental justification.
• •AI-powered cyberattacks will hit underprepared B2B startups hardest: Most scaling B2B companies rely on patchwork open-source security tooling with no dedicated security team. AI enables attackers to automate phishing, voice duplication, and vulnerability scanning at scale, targeting any exposed endpoint. Companies cutting security budgets in response to AI cost savings are making a fatal error — the two company-ending events remain extended downtime and a material data breach.
• •Agentic marketing will replace current playbooks within two years: A two-person company scaled to $1.8B in GLP-1 revenue by deploying AI-driven hyper-personalized marketing at mass scale. The same pattern historically repeated with affiliate marketing and SEO — tactics pioneered at the regulatory edge become standard practice within two to three years. Digital marketers still running 2023 outreach cadences and static ad creative will be structurally outcompeted by teams deploying agentic personalization at scale.