Source: Ed Elson
After four years and billions in venture funding, no pure-play LLM company has achieved sustainable profitability. Anthropic's IPO filing reveals the industry's constraint: the 75% loss reduction masks massive upcoming capital expenditures that will erase those gains. The issue isn't AI capability or market adoption, but foundation model economics. Training costs scale exponentially while revenue models remain unproven, and access to cheap capital that subsidizes this gap is tightening.