Neptune.ai

Neptune

Enterprise Software

Sector

Seed

Stage

SaaS

Model

01Company Overview

Neptune.ai provides a scalable experiment tracking platform for teams that train foundation models, enabling researchers to monitor and analyze complex model training workflows.

02Backed By1 investor

bb2venture→

03Recent Activity

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FROM b2venture

OpenAI acquired portfolio company Neptune, an AI research tooling platform.

EXIT·linkedin.com

DEC 3, 2025

FROM Scale Venture Partners

Portfolio company Neptune.ai acquired by OpenAI to enhance AI model training capabilities.

EXIT·reuters.com

DEC 3, 2025

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05Startup DNA

8

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