Analyst Warns of Massive AI Bubble

Concerns over a potential AI investment bubble continue to intensify, with market analyst Julien Garran of the UK-based MacroStrategy Partnership warning that the current artificial intelligence boom could be 17 times larger than the dot-com bubble and four times bigger than the 2008 housing crisis. His recent report describes the phenomenon as “the biggest and most dangerous bubble the world has ever seen,” citing widespread misallocation of capital and unsustainable business models across the AI ecosystem. 

Garran argues that large language models (LLMs) — the core technology behind products like ChatGPT — have hit a scalability wall, with progress stagnating since GPT-4’s release in March 2023. He suggests that while LLMs demonstrate impressive engineering, their reliance on statistical word prediction limits commercial viability. “They’re clever but fundamentally constrained,” he noted, adding that most AI startups remain heavily loss-making, dependent on ongoing investment rather than profitability. 

Key highlights from Garran’s analysis include: 

• AI valuations have ballooned, with 10 major startups gaining nearly $1 trillion in market value over the past year despite lacking profits. 

• Sustaining the AI ecosystem requires constant funding, with firms like Nvidia thriving while others rely on investors such as SoftBank and sovereign wealth funds. 

• Investor fatigue is emerging as venture capitalists grow wary of inflated valuations, potentially setting the stage for a correction. 

While some industry leaders liken the moment to the internet’s early years — where short-term volatility led to long-term transformation — Garran maintains skepticism, warning that continued overinvestment could drag down global productivity. “If this continues,” he said, “the future will be dimmer, not brighter.” 

 

Source: 

https://edition.cnn.com/2025/10/18/business/ai-bubble-analyst-nightcap