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KV Cache Is Eating Your VRAM. Here’s How Google Fixed It With TurboQuant.

Towards Data Science Aman Vasisht April 19, 2026
KV Cache Is Eating Your VRAM. Here’s How Google Fixed It With TurboQuant.
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# Google's New Trick Makes AI Models Use Way Less Computer Memory AI chatbots like ChatGPT struggle when handling long conversations because they need to store massive amounts of data in memory—a problem that makes running these systems expensive and slow. Google developed a technique called TurboQuant that compresses this stored data without losing important information, similar to how a ZIP file shrinks a document. This breakthrough means companies can run more powerful AI models on less expensive hardware, making advanced AI tools cheaper and more accessible.

Explore the end-to-end pipeline of TurboQuant, a novel KV cache quantization framework. This overview breaks down how multi-stage compression achieves near-lossless storage through PolarQuant and QJL residuals, enabling massive context windows with minimal memory overhead The post KV Cache Is Eating

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