Cerebras Systems went public on May 14, 2026, with an IPO priced at 185 USD (about $185) per share. The stock opened at $385 and rose 89% on its first day. By the end of the week, shares closed at $279.72, up 51% from the IPO price.
WSE-3 chip packs 19x more transistors than Nvidia B200
The company's WSE-3 chip is manufactured on TSMC N5 process and features 44 GB of SRAM memory. Cerebras claims the WSE-3 has 19 times more transistors than Nvidia's B200 and 28 times the compute power. The chip supports a maximum context length of 128K tokens. On the Cerebras Inference cloud platform, the chip achieves over 3000 tokens per second on the GPT OSS 120B dataset, which the company says is 15 times faster than leading GPU clouds.
Cerebras signed a $20 billion agreement with OpenAI in December 2025. OpenAI President Greg Brockman said in an email that exclusive use of Cerebras hardware will give OpenAI an overwhelming hardware advantage over Google.
The company's market capitalization stabilized at $602 billion by the end of the week, though stock prices remain subject to volatility.
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