# OpenAI x Neptune.ai (acquisition): partnership

Canonical ID: `2969d992-7219-4417-b391-9a113d1af836`

OpenAI entered a definitive agreement to acquire Neptune.ai, an MLOps experiment tracking and model monitoring startup. Neptune's tools will be integrated into OpenAI's model training stack. Neptune will wind down external services following the acquisition.

- **Type:** investment
- **Status:** announced
- **Verification posture:** verified

## Parties (2)

- [OpenAI](https://registry.deploy.report/companies/openai.md) investor partner
- [Neptune.ai](https://registry.deploy.report/companies/neptune-ai.md) other

## Timeline

- **Announced:** 2025-12-03

## Sources (1)

1. https://www.cnbc.com/2025/12/03/openai-to-acquire-neptune-an-ai-model-training-assistance-startup.html


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