The tech business model has fundamentally changed. It has moved from the early Google model—a high-margin, low-CapEx "infinite money glitch"—to the current AI paradigm, which requires a capital-intensive, debt-financed infrastructure buildout resembling heavy industries like oil and gas.

While high capex is often seen as a negative, for giants like Alphabet and Microsoft, it functions as a powerful moat in the AI race. The sheer scale of spending—tens of billions annually—is something most companies cannot afford, effectively limiting the field of viable competitors.

When investing in high-risk, long-development categories like autonomous vehicles, the key signal is undeniable consumer pull. Once Waymo became the preferred choice in San Francisco, it validated the investment thesis despite a decade of development and high costs.

Critics argue OpenAI's strategy is dangerously unfocused, simultaneously pursuing frontier research, consumer apps, an enterprise platform, and hardware. Unlike Google, which funds such disparate projects with massive cash flow from an established business, OpenAI is attempting to do it all at once as a startup, risking operational failure.

VCs at the highest level don't just write checks; they fundamentally reset a founder's aspirations. By placing a startup in the lineage of giants like Google and Oracle, they shift the goal from building a big business to creating a generational company.

OpenAI's non-profit parent retains a 26% stake (worth $130B) in its for-profit arm. This novel structure allows the organization to leverage commercial success to generate massive, long-term funding for its original, non-commercial mission, creating a powerful, self-sustaining philanthropic engine.

Google can dedicate nearly all its resources to AI product development because its core business handles infrastructure and funding. In contrast, OpenAI must constantly focus on fundraising and infrastructure build-out. This mirrors the dynamic where a focused Facebook outmaneuvered a distracted MySpace, highlighting a critical incumbent advantage.

Historically tech-averse investor Warren Buffett has made a rare, large bet on a tech company other than Apple. Berkshire Hathaway's $4.3 billion investment in Alphabet (Google) indicates a strategic evolution for the firm and a powerful endorsement of Google's durable market position.

Companies tackling moonshots like autonomous vehicles (Waymo) or AGI (OpenAI) face a decade or more of massive capital burn before reaching profitability. Success depends as much on financial engineering to maintain capital flow as it does on technological breakthroughs.