Fundraising Fox

Zettascale

YC S24

San Francisco, US · Founded 2024 · 2 employees · Hiring · 5 known investors

ZSCC designs AI silicon chips (XPU) optimized for energy efficiency in machine learning inference and training, targeting the infrastructure demands of recursive self-improvement and advanced AI systems. The company is developing both individual processor units and clustered systems for scientific discovery and model training applications.

Also known as Exa Laboratories · Exa Labs · ZSCC

Founders & leadership· Y Combinator alumni (S24)

Zettascale was founded in 2024 by Elias Almqvist and Prithvi Raj.

EAElias Almqvist
Elias Almqvistin𝕏Co-founder & CEOHe holds a bachelor's degree and incomplete master's degree in computer science and computer architecture engineering, with additional background in mathematics and aerospace.
PRPrithvi Raj
Prithvi Rajin𝕏Co-founder & CTO @ Zettascale (YC S24)Prithvi Raj is co-founder and CTO of Zettascale Computing Corp., with expertise in generative modeling.

Investors · 5

Company profile

researched Aug 2026

Zettascale (also referred to as ZSCC, after its zscc.ai domain) is a San Francisco-headquartered semiconductor company developing AI silicon it calls the XPU, designed to run inference and training at a fraction of the energy of existing hardware. The company's stated architectural premise is that moving data, rather than computing on it, consumes most of the energy in AI workloads and that datacenters are constrained by available power, so its designs aim to keep data close to compute. A single architecture is intended to cover dense mathematics, sparse models and the numeric precisions those workloads actually use.

The product line consists of two announced items. Grasshopper is the company's first XPU, prototyped on an FPGA and listed as coming soon. Monolith is a cluster of XPUs, in development, designed to behave as a single chip and to run agentic workloads, experience generation and training on the same silicon. The company frames these products around a thesis that gains from training on human-written text are diminishing and that future model improvement will come from models acting in environments, being scored and learning from the results, a process it describes as recursive self-improvement.

Business model

Zettascale develops and intends to commercialize AI processor hardware (individual XPU chips and XPU-based cluster systems), and invites inquiries regarding partnerships and early access.

Traction

Both announced products are pre-commercial: Grasshopper is an FPGA prototype marked coming soon and Monolith is in development. The company is recruiting founding engineers in San Francisco for cluster/PCB and FPGA/ASIC roles, offering $150,000-$300,000 in salary plus 0.50%-2.00% equity.

Full profile — market position, technology, go-to-market, geography, history

Market position

Zettascale positions itself as an alternative to general-purpose AI accelerators, arguing that language-data scaling is exhausted and that hardware optimized for experience generation and recursive self-improvement will determine the pace of progress. It cites backing from Y Combinator, Soma Capital and Olive Tree Capital.

Rather than scaling conventional accelerators, the company builds an architecture intended to reduce energy spent on data movement and to unify dense and sparse computation with the precisions used in production, extending to clusters that present as a single chip.

Technology

The XPU architecture is built around minimizing data movement, which the company identifies as the dominant energy cost in AI workloads, on the premise that datacenter capacity is limited by power. The design targets dense math and sparse models with the numeric precisions used in practice within a single architecture. The first XPU, Grasshopper, is prototyped on an FPGA; Monolith connects multiple XPUs so that the cluster behaves as one larger chip, supporting agents, experience generation and training. The company also maintains a public GitHub presence for open-source work.

Go-to-market

Direct engagement through the company website for partnerships, early access and investment inquiries, supported by published thesis essays and announcements; hiring is conducted via open application with a request for demos of prior work rather than credentials.

Operators of AI training and inference infrastructure, including organizations running agentic workloads, experience generation and large-scale model training, and applications in scientific, materials and medical discovery.

Geography

Headquartered in San Francisco, California, United States, with in-person work required for engineering roles.

History

The company adopted the name Zettascale in an announcement dated 2025-09-04, published together with a progress update. It subsequently published an essay, 'The Final Frontier of Intelligence,' dated 2026-06-01, setting out its view that LLMs are plateauing and that the next phase of AI requires different hardware.

Compiled by commissioned research from 1 cited public sources — announcements, filings, and press listed under research sources below.

Competitors · 2

by search overlap

Companies competing with Zettascale for the same Google search keywords, organic and paid, via search-intersection analysis.

Timeline · 2

launches, deals, and filings
Jun 2026
Published thesis essay 'The Final Frontier of Intelligence'

Essay arguing that large language models are plateauing and that the next stage of AI will depend on a different class of hardware.

source ↗

Sep 2025
Company renamed to Zettascale

The company published an update announcing its new name, Zettascale, alongside a progress report.

source ↗

Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.

In the news

Research sources · 1

primary sources listed

1 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does Zettascale do?
Zettascale designs energy-efficient XPU AI chips and XPU clusters for AI inference, training and scientific discovery.
Who founded Zettascale?
Zettascale was founded by Elias Almqvist, Prithvi Raj in 2024.
Who are Zettascale's investors?
Zettascale's investors include Failup Ventures, Geek Ventures, Olive Tree Capital, Wave Ventures, Y Combinator.
Where is Zettascale headquartered?
Zettascale is headquartered in San Francisco, US.