Neptune Labs

SoftwareSeries APalo Alto, USneptune.ai

Latest round

Series A

Last raised

Apr 2022

Total raised

$8M

Investors

4

About Neptune Labs

Neptune Labs, Inc. operates a sophisticated experiment tracking platform that empowers AI researchers to efficiently monitor and debug large-scale training processes, enhancing performance and stability in machine learning. Founded in 2017 in Warsaw, Poland, Neptune Labs, Inc. specializes in providing experiment tracking solutions for AI research. The company was co-founded by Paulina Janušauskas, Piotr Lusakowski, and Piotr Niedzwiedz, who serves as the CEO. In December 2025, OpenAI agreed to acquire Neptune Labs, Inc. from b2venture, Rheingau Founders, TDJ Pitango, and Almaz Capital Partners in an all-stock transaction worth approximately USD 400 million. Financial terms were not disclosed.ai offers a specialized experiment tracking platform designed for foundation models, enabling AI researchers to monitor and debug large-scale training processes. The platform allows users to log thousands of metrics per training run, providing a comprehensive view of model performance and addressing issues such as vanishing gradients. Neptune's deployment options include self-hosted solutions for on-premises or private cloud environments, catering to a diverse client base across North America, Europe, and Asia, including leading AI research institutions and corporations focused on artificial intelligence development.ai recorded a revenue of USD 132,351 with an EBITDA of USD 40,152. The company generates revenue primarily through subscription-based models that offer various pricing plans tailored to the needs of its clients, including self-hosted services for enhanced data control.

Who invested in Neptune Labs

4 investors across 1 round

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Funding rounds

  1. Series A

    Apr 10, 2022

    Amount

    $8M

    Investors

    Locked

Questions about Neptune Labs

Who invested in Neptune Labs?

Neptune Labs has 4 investors on record across 1 venture round. Sign up free to see every VC on the cap table and the rounds they joined.

How much funding has Neptune Labs raised?

Neptune Labs has raised 1 venture round. Sign up free to see how much each round raised and the total.

When did Neptune Labs last raise money?

Neptune Labs's most recent round on record is a Series A, in Apr 2022.

What does Neptune Labs do?

Neptune Labs is a software company.

Where is Neptune Labs headquartered?

Neptune Labs is headquartered in Palo Alto, US.

Which VCs invest in companies like Neptune Labs?

Among active investors with capital left to deploy, Andreessen Horowitz, Founders Fund, Accel and Thrive Capital back software companies at Neptune Labs's stage. Their profiles are linked below.

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