Neptune.ai is an experiment tracker for ML and foundation-model training. As of 2025, Neptune.ai is being acquired by OpenAI and the public pricing page redirects to the OpenAI announcement. Customers continue to use the Neptune Python client and REST API during the transition.
URL: Visit APIs.json URL
Run: Capabilities Using Naftiko
- x-type: company
- Neptune.ai REST API - Backs the Neptune Python client. Runs, projects, fields, metadata. API token authentication.
- Neptune Scale API - Higher-throughput logging surface for foundation-model training.
- ML, MLOps, Experiment Tracking, Foundation Models, Acquired
- Created: 2026-05-08
- Modified: 2026-05-08
- Pricing not reconciled — public pricing page redirects (308) to the OpenAI acquisition announcement; pricing is in flux.
- Neptune Scale tier was positioned for foundation-model training jobs at higher throughput.
- Treat Neptune as transitional under OpenAI ownership; SDK and tracking server still operational at time of writing.
FN: Kin Lane
Email: kin@apievangelist.com