BigBear.ai vs. Cerebras Systems: Which Technology Stock Is a Better Buy in 2026?
2026-09-29 00:21
•Sara Appino •The Motley Fool
•••••••• ••••• Axe Cap view
Cerebras Systems Outshines BigBear.ai in AI Hardware Race
Cerebras’s chip innovation and rapid growth position it ahead of BigBear.ai despite higher risks.
BigBear.ai’s December quarter numbers illustrate deepening troubles. Revenue is falling fast, losses are widening, and over half the business depends on a single, government customer—never a recipe for resilience. On the other hand, Cerebras Systems is sprinting ahead with groundbreaking wafer-scale AI chips and stellar 75.7% revenue growth. They just turned a profit and landed a hefty deal with AI-focused G42, marking real commercial traction. The caveat is the capital-intensive nature and pricey valuation, which could deter risk-averse investors. For South African markets, the direct parallels are slim. However, given the global chip shortage and AI acceleration, a weaker USD/ZAR could benefit tech-related earnings here, though it’s a modest tailwind at best. If you do want exposure to AI locally, keep an eye on Naspers/Prosus for their tech ecosystem bets rather than betting on speculative pure plays like these. this is just our opinion and not financial advice
Avoid BigBear.ai outright due to deteriorating fundamentals. Watch Cerebras for selective exposure if you understand the risks and are comfortable with volatility, but prefer to build local AI exposure via Prosus and Naspers for a steadier ride.
- CBRS
- BBAI
- Naspers
- USD/ZAR
- Cerebras high valuation may unwind if growth slows
- BigBear.ai dependence on one government customer remains a major vulnerability
6/10
The article compares two AI infrastructure companies: BigBear.ai, which provides decision intelligence for government agencies but faces declining revenue and heavy customer concentration, and Cerebras Systems, which builds specialized wafer-scale AI chips and recently achieved profitability with 75.7% year-over-year revenue growth. The author recommends Cerebras as the better speculative bet due to its stronger technology, faster growth trajectory, and institutional backing, while noting both companies remain unprofitable and risky investments.
Our take is based on reporting first published by The Motley Fool.