KNOWLEDGE NOTES

Knowledge Notes

Explore curated knowledge, course notes and methods, with their existing content and sources preserved.

This index lists complete English editions. Additional Chinese notes and bilingual updates remain available in the Chinese index.

350knowledge notes

AI Agent Market Investment Trends 2025 (Data Report)

A research report on AI Agent market investment trends compiled by newtype in January 2026. It contains full 2025 data on VC / sovereign wealth funds / unicorns / application layer / foundation model financing / sub-sectors (coding/healthcare/legal/enterprise/prediction markets). It covers OpenAI's valuation rising from $500 billion to $830 billion / Anthropic from $183 billion to $350 billion / xAI's cumulative funding of $42.1 billion / $87 billion in global GenAI financing / 191 new unicorns / $46 billion from sovereign funds / the "kingmaking strategy" phenomenon of valuations doubling within 27–60 days / single-point data on Cursor / Cognition / Harvey / Mercor and others / analyst views from Gartner / McKinsey / BCG / IDC / 25x revenue multiple / 5x cash burn multiple / Sequoia's three-stage "Agent Economy" thesis / bubble warnings.

Financing and investmentBusiness modelsIndustry researchEnglish edition

newtype AI Business, Industry and Investment Observations

Huang Yihe 2024-03 → 2026-05 Complete collection of AI business judgments, industry observations, and investment reflections. 452 posts, covering the commercial wars among OpenAI/Anthropic/xAI/Apple, the three-faction debate over Scaling Law between Zhu Xiaohu, Kai-Fu Lee and Cohere, the 5 levels of AI, LLM=OS, Page Rank→Agent Rank, the end of SaaS intermediary monopolies, the 10-year logic of NVDA accelerated computing, AI-era startup methodology (Context Matters / Do not build a house on someone else's foundation / Pro Users use multiple tools), personal business experiences (US company / Apple Developer / Substack subscriptions), the three-layer framework (technology stack / value chain / competitive landscape), and three things to do in 2026 (overseas bank card + US stocks + full AI access).

Financing and investmentBusiness modelsIndustry researchEnglish edition