Neptune SaaS services hosted at neptune.ai have been discontinued on 2026‑03‑06 12:00 UTC following the acquisition by OpenAI.
After of 2026‑03‑06 12:00 UTC you no longer can:
Log in
Start new runs
Access the UI (projects, runs, artifacts)
Use the API/SDK to log or retrieve anything
Recover or export data (see next section)
Note: This is a permanent shutdown (not an outage). If you’re seeing errors or failed requests, retries will not restore access. Running neptune sync will also not sync locally saved data to Neptune servers.
Data access & export
After the shutdown, all data stored in Neptune was permanently deleted and cannot be recovered.
There is no export, no restore, and no recovery path available.
This includes:
Projects and workspaces metadata
Runs/experiments, models, parameters, metrics, logs
Artifacts and uploaded files
Dashboards, charts, tables, reports