Sources: Zyphra, which trains and runs inference for its open-weight models on AMD hardware, is raising a $500M Series B at a valuation of at least $5B (Anna Tong/Forbes)

May 20, 2026 - 02:45
Updated: 22 days ago
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The Zyphra logo represents the artificial intelligence startup raising $500 million in Series B funding.

Anna Tong / Forbes:
Sources: Zyphra, which trains and runs inference for its open-weight models on AMD hardware, is raising a $500M Series B at a valuation of at least $5B  —  The Series B round, which chipmaker AMD is participating in, is expected to value the startup at least $5 billion.

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Christopher Holloway

Christopher Holloway is the founder and director of Progressive Robot, a UK-based technology company. A full-stack engineer with more than two decades of experience, he works across PHP development, ecommerce, Linux infrastructure, technical SEO and AI automation, and writes here on technology, AI, hardware and software.

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