Open frontier models · San Francisco, US · founded 2021

Zyphra: who founded it, who funds it

Zyphra is a San Francisco open-weight AI lab founded in 2021 by Krithik Puthalath and Beren Millidge, who came from Conjecture. What it is building: small open-weight models (Zamba, ZAYA1) and state-space agent architectures with long-term memory. No funding round has been disclosed. It releases open-weight models.

Open modelOpen frontier models

Website LinkedIn Careers

Founders: Krithik Puthalath, Beren Millidge (ex-Conjecture)
Founders from: ex-Conjecture
Location: San Francisco, US (North America)
Valuation: $5B estimate, per source
Raised: · disclosed
Investors: ·
What ships: Open model

Sources

neolabs.fyi neolabs.fyi

News

Jun 18, 2026
Zyphra Review: The Efficient MoE Models Trained on AMD That Punch Above Their Weight

AnalysisQuasa.ioZyphra
May 19, 2026
Artificial Intelligence Lab Zyphra Raising $500 Million To Challenge Nvidia Dominance

FundingForbesZyphra
May 15, 2026
Zyphra Releases ZAYA1-8B-Diffusion-Preview: The First MoE Diffusion Model Converted From an Autoregressive LLM With Up to 7.7x Speedup

ProductMarkTechPostZyphra
Mar 23, 2026
AGI in the sky: Startup moves from Palo Alto to take a full floor in Salesforce Tower

AnalysisThe Business JournalsZyphra
Oct 6, 2025
IBM and AMD Team with Zyphra to Build AI Infrastructure on IBM Cloud

AnalysisThe Futurum GroupZyphra
Oct 1, 2025
IBM and AMD Collaborate with Zyphra on Next Generation AI Infrastructure

DealIBM NewsroomZyphra
+1 more coverage
- Yahoo Finance Zyphra Taps IBM, AMD To Build Next-Gen AI Superagent

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