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The Data Science Newsletter
⚡️ Lightning-Fast AI: How Cerebras Is Smashing Inference Speed Records

⚡️ Lightning-Fast AI: How Cerebras Is Smashing Inference Speed Records

When waiting minutes for AI responses feels slow, here’s the game-changer.

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TheDataScienceNewsletter
Jun 26, 2025
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⚡️ Lightning-Fast AI: How Cerebras Is Smashing Inference Speed Records
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🚨 From minutes to seconds—and now to milliseconds

Imagine GPT-like reasoning models taking minutes to answer. With Cerebras, that clock has been rewound dramatically.

Using its proprietary Wafer Scale Engine, Cerebras recently launched DeepSeek R1 (Llama‑70B) inference at 1,500+ tokens per second—a staggering 57× faster than traditional GPU systems.

a brown rabbit running through a field of grass
Photo by Vincent van Zalinge on Unsplash

Even more impressively, on Llama 4 Maverick, it achieved 2,522 tokens/s, outpacing Nvidia Blackwell GPU by over 2×.

This isn’t incremental—it’s exponential. AI that once needed minutes to reason can now respond almost instantly.


🧠 What makes Cerebras so fast—and different?

Most AI runs on GPUs that shuttle data between memory and compute units—a bottleneck for complex models. Cerebras opts for a revolutionary route: a single wafer‑sized AI chip with trillions of transistors and 900,000 cores, all sharing massive on-chip SRAM.

  • Memory bottlenecks eliminated: Entire models stay on-chip, avoiding slow memory fetches.

  • Unmatched throughput: Dependent chains of thought no longer stall at each step.

  • Scalable ecosystem: Now backed by six new datacenters across North America and Europe, delivering up to 40 million tokens per second.

From Perplexity’s Sonar (1,200 tokens/s) to Meta’s Llama API (up to 2,600 tokens/s), Cerebras infrastructure now powers major provision of ultra-fast inference.


🌟 Why this matters—for users, businesses, and the future

Speed transforms possibility:

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