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Zyphra Technologies

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Open-source, multimodal AI models for decentralized deployment

San Francisco, United StatesFounded 2019AI
Valuation $1–2.5B Last recorded · 2025
Headcount <100 Current team size
Total funding $500M–1B Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Zyphra Technologies and the history behind them.

About Zyphra Technologies

Zyphra Technologies is an open-source and open-science artificial intelligence company headquartered in Palo Alto, California. Founded in 2020 by Krithik Puthalath and Danny Martinelli, the company focuses on developing multimodal AI models, learning algorithms, and systems. The team, which includes talent from organizations like Google DeepMind, Anthropic, and Nvidia, has expertise in AI models, learning algorithms, and systems infrastructure with a particular focus on inference efficiency and AI silicon performance.

The company develops autonomous agent platforms for enterprises, concentrating on conversational AI, automation, and personal assistants. Its core mission is to create AI models that are personalizable offline and can perform efficiently across a wide variety of hardware, from mobile phones and laptops to cloud systems and enterprise-grade GPUs from different vendors. Zyphra is building a multimodal general agent named Maia, which combines research in next-generation neural network architectures, long-term memory, reinforcement learning, and continual learning. Initially, Maia is targeting text and audio modalities.

As part of its commitment to open science, Zyphra has released several open-source projects. This includes Zamba, an SSM-hybrid foundation model designed to bring AI to more devices with lower inference costs. The company also released Zamba2-2.7B, a small language model (SLM) that offers increased speed and reduced memory overhead compared to other models. In June 2024, Zyphra introduced Zyda, a large-scale, open-source AI training dataset with 1.3 trillion tokens, designed to help researchers build large language models more efficiently by providing pre-filtered and deduplicated data. The company has received backing from institutional investors such as Future Ventures, Defined Capital, and Intel Capital.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2019
Headquarters
San Francisco, United States
Employees
71
Open positions
None listed
Dealroom signal
94.0/100
Sector
AI, Core AI, Verified Unicorns and $1B Exits, AI Model Maker, AI Model Training and Development, AI Model Deployment and Monitoring
Technology
Artificial Intelligence, Hardware, Big Data, Deep Tech, Deep Learning, Natural Language Processing, Computer Vision
Business model
SaaS
Client focus
b2b

Funding history

4 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES BOther financing May 2026 $500M $5B AMD ↗
SERIES AOther financing Jun 2025 $110M $1B Alpha JWC · Future Ventures · AMD · Jaan Tallinn ↗
Showing the latest 2 of 4 recorded eventsBook a demo for the full funding history →

Growth signals

Zyphra Technologies website traffic

Latest recorded traffic for Zyphra Technologies is 34K monthly website visits, up 88.9% over the last three months. Zyphra Technologies's team grew 51.1% over the past year.

Latest monthly visits34K 3-month web change+88.9% 1-year team growth+51.1%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

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Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

6 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed3 investors entered at this stage

Series A3 investors entered at this stage

  • Jaan Tallinn
  • Alpha JWC
  • AMD
Team profiled 4 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
5 countries with
team presence
🇺🇸 United States86.8%
🇬🇧 United Kingdom5.7%
🇨🇦 Canada3.8%
🇸🇦 Saudi Arabia1.9%
🇮🇳 India1.9%
5 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Zyphra Technologies on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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