GrowthTurtle
Data Science PhD & IEEE Fellow, Ex-Two Sigma
Cerebras is heavily overvalued at 62.7x EV/sales, even though it can re-rate as HBM stays rationed across the GPU world. Its wafer carries 44GB of SRAM, skipping the HBM queue, the latest quarter grew 74% with a $25.4B backlog, and its customer list should broaden beyond two UAE-linked buyers. Adding makes sense only near $186. If G42 and MBZUAI slow their orders, that multiple has nothing under it. x.comÂ
Cerebras is plainly overvalued at 53x EV/sales at $181.32, even though it is the only wafer-scale alternative to Nvidia with shipping systems. Its WSE-3 keeps models resident in on-wafer SRAM, letting it match Nvidia's B200 on some inference workloads. Q2 was a small beat, with TTM revenue of $681M, up 74%, a -265% operating margin and about $7.9B of cash. G42 concentration, unremediated control deficiencies and post-lockup supply are the risks; adding makes sense near $143. x.comÂ
Cerebras's June 2026 earnings report is the latest checkpoint for the bearish case on the stock. x.comÂ
Cerebras is priced like Nvidia but works more like a niche decode accelerator. At about 100x sales with heavy revenue concentration after its $52 billion IPO, the stock assumes a general-purpose AI platform. Per a deep dive on Damnang's Substack, its 44GB of on-chip SRAM gives unmatched low-latency decode but cannot hold today's large frontier mixture-of-experts models, pushing data onto slower external memory, and its fixed FP16 compute lags the industry's move to FP8 and FP4. x.comÂ
Vicor's efficient delivery of key power modules is part of the case for Cerebras meeting and exceeding its 2028-29 numbers. As models improve, more security breaches and deployments should make Cerebras look increasingly like a cybersecurity play. Its revenue ramp looks constrained by capacity, not yet by demand. Bullish on Cerebras but cautious on the broader market, with no short-term earnings prediction. x.com x.com x.com x.comÂ
Cerebras at over 100x sales with execution hurdles is not a low-risk buy, so it is better to sit out for now. It is a pure AI hardware bet: if wafer-scale chips take meaningful share from NVIDIA and revenue grows 2-4x or more in two years, the roughly $237 price could look reasonable long term. It suits only aggressive growth investors who can stomach 30-50% swings. x.comÂ
Cerebras's share price already assumes years of flawless execution, so investors can be right about the company long term and still lose money. Two customers make up 86% of revenue, it posted a $146 million operating loss in 2025, its GAAP profit came from accounting gains, and it trades at 111x revenue. The wafer-scale technology, 15x faster AI inference and $20B+ OpenAI compute deal make the bull case real, but the price leaves no margin for early-stage setbacks. x.comÂ
Cerebras is a speculative, high-risk, high-reward bet on faster inference that could make its $44B market cap a multi-bagger if it works. Putting the whole processor and memory on one wafer wins on speed, not cheaper memory, since on-chip SRAM costs more per bit than HBM; Nvidia is answering via Groq. G42 and MBZUAI were 86% of 2025 revenue, but the ramp ahead is tied to OpenAI. The $160s level has held as support four times since the IPO. Size it to one's capital-preservation goals. x.comÂ
Cerebras' bull case requires implausible growth: its hardware revenue rose only $146M from 2024 to 2025, so expecting $1.6B more in 2026 is laughable. @balmy_investor bets on $2B of 2026 hardware revenue and nearly $3B with cloud services, which would be 20x 2025 revenue at a $60B market cap. x.comÂ
Cerebras is wildly overvalued after opening its debut up 102%, at about 157.8x sales. FY25 revenue was $510M against 215.23M shares outstanding, and its $150M net income was not related to its core business. Late buyers risk becoming bag holders. x.com x.comÂ
Cerebras looks attractive because the short report's two-year wafer-life thesis rests on unvalidated reliability assumptions, not representative failure data. Energy per useful token, lower warranty utilization and ordinary repair accounting also undercut its financial conclusions. OpenAI has integrated Cerebras into production; AMD and AWS have announced integrations, while Oracle plans 2027 availability for ultra-fast inference, adding commercial validation despite the report. x.com x.comÂ
Cerebras at about a $100B market cap already prices in its execution upside aggressively, leaving downside risk. The bull case is real: it is a genuine new architecture in AI compute, with OpenAI's $20B+ contract plus Amazon Web Services, Meta, Perplexity, GSK, Mistral, Notion and AlphaSense diversifying it away from G42 in the UAE. But Nvidia's Vera Rubin ramp in the second half of 2026, a possible Nvidia absorption of Groq and the CUDA moat weigh on it. A position might make sense nearer $200. … Show more
