Quantum Companies Database
Zapata AI (now Zapata Quantum)
Zapata was an early Harvard spin-out in quantum software that went public in 2024, pivoted to generative AI, and then ceased operations in October 2024. It has since re-emerged as Zapata Quantum, a restructured company rebuilding around quantum algorithms and applications.
Founded
2017
CEO
Sumit Kapur (CEO of Zapata Quantum)
Headquarters
Boston, Massachusetts, USA
Technology
Quantum software and algorithms (hardware-agnostic), including the Orquestra workflow platform
Funding / Status
Restructured in 2025; trades over the counter (OTCQB: ZPTA); has said it intends to seek an uplisting to a national exchange
Website
zapata.ai
Overview
Zapata is a cautionary tale as well as a quantum software company. It was founded in 2017 to help large organizations explore quantum computing, and it built Orquestra, a platform for managing hybrid quantum and classical workflows across hardware from different vendors. In 2024 it shifted its marketing toward industrial generative AI, listed on Nasdaq, and then collapsed within months.
The company that exists today is Zapata Quantum, Inc., traded over the counter under the ticker ZPTA, which emerged from a restructuring in 2025 with new capital and a renewed focus on quantum applications. This page covers both chapters because many sources still describe the earlier version of the company, and the older description of Zapata as an active generative AI business is out of date.
History and background
Zapata was founded in 2017 as a spin-out from Harvard University by researchers that include the chemist Alán Aspuru-Guzik and the quantum computing researcher Yudong Cao. Its early work built quantum algorithms for chemistry and finance, and the company took part in government programs, including DARPA work on estimating the resources needed to run quantum applications.
In March 2024 Zapata went public by merging with the special purpose acquisition company Andretti Acquisition Corp, trading on Nasdaq as ZPTA, and presented itself as a leader in industrial generative AI. On October 7, 2024, its board approved a cessation of operations after the company was unable to meet a payment demanded under a forward purchase agreement with Sandia Investment Management of about 2.5 million dollars. Most employees were terminated, and Nasdaq moved to delist the shares.
In the months that followed the company restructured, raised new capital, and converted debt into equity to avoid liquidating its assets, and it re-emerged in 2025 as Zapata Quantum, Inc. The restructuring preserved more than 50 patents. Sumit Kapur, previously its chief financial officer, became CEO. In August 2026 Zapata Quantum announced a partnership with QuEra on quantum application development, and it has said it intends to pursue an uplisting to a national exchange.
How the technology works
Zapata's technology is software, not hardware. Orquestra is a workflow platform: it lets a team describe a computation that mixes classical steps, such as data preparation and optimization, with quantum steps, and then runs the pieces on whatever machines are best. Its algorithm libraries cover chemistry, finance, logistics, optimization, machine learning, and simulation.
A useful way to think about the company is as an applications specialist. Companies that want to know which of their problems might benefit from quantum computing, and when, need people who can map problems to algorithms and estimate the hardware requirements. That is the gap Zapata Quantum says it addresses, in partnership with hardware makers such as QuEra, whose planned megaquop-class system for 2028 the company plans to support from the application side.
The 2024 shutdown shows that quantum software is a difficult business. Customers are early, hardware cannot yet deliver clear advantages, and funding is hard to sustain through the long gap between research and revenue. Zapata Quantum will need to show revenue growth and manage financing risk, as the restructuring itself did not guarantee a commercial future.
Products and platforms
Orquestra
A workflow orchestration platform for hybrid quantum and classical computing that is hardware-agnostic and aims to make it easier to run algorithms across providers.
Quantum algorithm libraries
Algorithms for chemistry, finance, logistics, optimization, machine learning, and simulation, designed to be ready for future hardware.
Application development services
Consulting that helps enterprises identify which quantum use cases matter, when they might become viable, and how to build the applications.
Intellectual property
More than 50 patents preserved through the restructuring, covering work developed over seven years.
Key milestones
| When | What happened |
|---|---|
| 2017 | Zapata Computing is founded as a Harvard spin-out. |
| March 2024 | The company goes public through a merger with Andretti Acquisition Corp and begins trading as ZPTA. |
| October 2024 | The board approves ceasing operations; most employees are terminated. |
| 2025 | Zapata restructures, raises new capital, and re-emerges as Zapata Quantum, Inc. |
| August 2026 | Zapata Quantum announces a partnership with QuEra. |
Strengths and challenges
Strengths
- A history of quantum algorithm and workflow development going back to 2017.
- Patents and intellectual property retained after restructuring.
- A hardware-agnostic position that fits many partners.
- A lean restructured company with a clearer focus on quantum applications.
Challenges and open questions
- A near-total wind-down in 2024 damaged its operating base, customer relationships, and credibility.
- It trades over the counter rather than on a national exchange, which limits visibility and access to capital.
- Quantum software revenue is small across the industry, and competitors such as Classiq and Phasecraft are better funded.
- The company must demonstrate sustained revenue growth to justify its reorganization.
Why it matters
Zapata's story is important context for anyone reading about quantum companies. It shows that being early, having famous founders, and listing on a stock exchange do not protect a company from running out of money. Reading the history of the whole sector, including failures, gives a more honest picture than reading only success stories.
It is also a reminder to check the date on any company profile. Older articles describe Zapata AI as a generative AI company with large partners, which is no longer accurate, and information in this field goes out of date quickly.
Latest news
- Zapata Quantum and QuEra announce a partnership on quantum application development — August 2026
- Zapata Quantum re-emerges after restructuring, with new financing and its patent portfolio intact — 2025
- Zapata Computing ceases operations after a dispute over a payment to Sandia Investment Management — October 2024
Frequently asked questions
What happened to Zapata AI?
Zapata AI's board approved a cessation of operations in October 2024 after it could not meet a payment of about 2.5 million dollars demanded under a financing agreement. It later restructured and re-emerged as Zapata Quantum, Inc.
Is Zapata still in business?
Yes, as Zapata Quantum, Inc., a restructured company that trades over the counter under ZPTA and is rebuilding its operations. This page is not investment advice.
What is Orquestra?
Orquestra is Zapata's platform for building and running workflows that combine classical and quantum computing steps across hardware from different providers.
Who runs Zapata Quantum?
Sumit Kapur, previously the company's chief financial officer, is CEO of Zapata Quantum.
Did Zapata build quantum computers?
No. It has always been a software and algorithms company that works with hardware built by others.
This profile is written for educational purposes and summarizes public announcements, company filings, and published research. Last reviewed: September 30, 2026. It is not investment advice. Check the company's official channels for the latest figures and claims.