AI chip startup Cerebras Systems jumped nearly 70% on its May 15 market debut, closing with a market cap of roughly $95 billion — one of the largest opening-day valuations in U.S. IPO history. The blockbuster listing reignited investor interest in mega-private-company IPOs including SpaceX, OpenAI, and Anthropic, while signaling a credible rival to Nvidia's data-center dominance.
AI chip maker Cerebras Systems raised its Nasdaq IPO price range to $150–$160/share from $115–$125, targeting a fully diluted market value of $48.8 billion. The offering was over 20x oversubscribed ahead of its May 14 trading debut.
Cerebras is taking another run at public markets after its 2024 IPO effort was delayed and withdrawn. TechCrunch reports the AI chip startup logged $510M in 2025 revenue and has demand signals tied to AWS data centers and an OpenAI deal reportedly worth more than $10B.
AWS and Cerebras said on March 13, 2026 that they are building a high-speed inference offering for Amazon Bedrock. The design splits prefill work to AWS Trainium and decode work to Cerebras CS-3 systems.
A widely discussed Hacker News post compares Anthropic and OpenAI fast modes and argues that LLM speed gains are increasingly driven by serving architecture, not just model quality.