Two companies with "AI" in their pitch, two very different businesses. That is the framing behind a new comparison from The Motley Fool, which asks whether C3.ai (NYSE: AI) or Applied Digital (NASDAQ: APLD) is the better artificial intelligence stock to buy in 2026.
According to the piece, carried on Yahoo Finance and surfaced across news aggregators, "the artificial intelligence revolution offers two distinct paths, software or the hardware that powers it." Choosing between the two companies, the article says, depends on an investor's appetite — the snippet cuts off before specifying for what, and the published analysis itself is behind the aggregator link.
The split it describes is the central fault line in AI investing right now. One side is the software layer: applications and platforms sold to enterprises and governments, where growth depends on customers actually adopting AI tools. The other is the physical layer: data centers, power, and the racks of computing gear that every model runs on, where growth depends on capacity being built and leased.
Those two bets behave differently. Software companies live or die on sales cycles and customer renewals. Infrastructure companies carry heavy construction costs and long-term contracts, and are more exposed to financing and energy conditions.
Worth noting: this is investment commentary, not news of a corporate event. No earnings figures, deals, or price targets appear in the available material, and a comparison article is one outlet's opinion, not a consensus view.
It matters because it captures how ordinary investors are now being asked to pick sides in AI — betting on the tools, or on the ground they are built on.