product_discontinued Neptune.ai was discontinued on 2026-03-05, so it is not a current option. How we use this.
Limits, pricing history. Discontinued 2026-03-05. Last updated 2026-05-13.
Neptune.ai was discontinued on 2026-03-05, so it is not a current option. ML experiment tracker, now shut down… We could not read the page we cite for this offer when we last looked, on 2026-09-26, so we cannot confirm these terms today. Neptune.ai was discontinued on 2026-03-05, so it is not a current option.
The day we last read the vendor's page. We hold no confirmation of the terms we publish. We tried again on 2026-09-26 and did not read the page, so that attempt confirmed nothing.
Free Tier Details
ML experiment tracker, now shut down. After agreeing to be acquired by OpenAI, Neptune closed new sign-ups and trials on December 3, 2025, and set March 5, 2026 as the day its hosted app and API would be turned off and remaining hosted data deleted; on 2026-09-27 neptune.ai returned errors. Its free plan for individuals and researchers ended with the service. Neptune's migration guides cover Weights & Biases, Comet, MLflow and ZenML, among others.
Neptune shut down its hosted app and API on March 5, 2026, after agreeing to be acquired by OpenAI; new sign-ups and trials had closed on December 3, 2025. Source ↗
Before: Hosted ML experiment tracker with a free plan for individuals and researchers
After: Neptune's transition hub (read 2026-09-27) gives 10 am PST on March 5, 2026 as the time the hosted app and API would be turned off and remaining hosted data deleted, and says new sign-ups and trials are closed.
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Neptune.ai was discontinued on 2026-03-05, so it is not a current option. We cannot confirm that today. We could not read the page we cite for Neptune.ai when we last looked, on 2026-09-26. ML experiment tracker, now shut down. After agreeing to be acquired by OpenAI, Neptune closed new sign-ups and trials on December 3, 2025, and set March 5, 2026 as the day its hosted app and API would... We have not confirmed these terms against the source we cite, so treat them as unverified.
Is Neptune.ai's free tier reliable?
We cannot say. We could not read the page we cite for Neptune.ai when we last looked, on 2026-09-26. Nothing we have read describes these terms, so we are not publishing a stability judgement for this vendor until that is fixed.
Is Neptune.ai's free tier good for production?
Neptune.ai was discontinued on 2026-03-05, so it is not a current option. There is no free tier here to run in production.
What changed in Neptune.ai's pricing?
Neptune.ai has had 1 recorded pricing change. Most recently: Neptune shut down its hosted app and API on March 5, 2026, after agreeing to be acquired by OpenAI; new sign-ups and trials had closed on December 3, 2025. Source: https://docs.neptune.ai/transition_hub (2025-12-03).
What category is Neptune.ai in?
Neptune.ai is categorized under AI / ML on AgentDeals.
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