# Neptune

> Neptune — A tool that gives researchers a clear and dependable way to track experiments, monitor training, and understand complex model behavior in real time.

**Category:** saas / unknown  
**Domain:** neptune.ai  
**Source:** [Toneeto](https://www.toneeto.com/discover/neptune.ai)  
**Last updated:** March 12, 2026

## Changelog

### Mar 12, 2026 — Free Tier

Neptune offers a free tier

- Neptune offers a free tier _(90% confidence (cross-referenced))_

### Mar 5, 2026 — Sunset

Neptune services were permanently discontinued on March 5, 2026

- Neptune services were permanently discontinued on March 5, 2026 _(90% confidence)_

## Pricing

| Plan | Monthly | Annual (per mo) | Type |
|------|---------|-----------------|------|
| Startup | $150 | — | subscription |
| Lab | $250 | — | subscription |
| Self-hosted | — | — | subscription |

## Competitors

- [Weights & Biases](https://www.toneeto.com/discover/wandb.ai)
- [Deepsense.ai](https://www.toneeto.com/discover/deepsense.ai)
- [Comet](https://www.toneeto.com/discover/comet.com)
- [Nebius](https://www.toneeto.com/discover/nebius.com)
- [Neuton.AI](https://www.toneeto.com/discover/neuton.ai)

## Audience Segments

### startup_team (50% fit)

**Use case:** Neptune for small teams
**Why:** Insufficient evidence for specific segmentation, defaulting to startup_team
**Key considerations:** ease of use, value for money

## Gotchas & Limitations

- Offline logging behavior may diverge from standard asynchronous behavior. [moderate]
- Dashboard visualizations adjust automatically with window resizing, requiring manual readjustment. [moderate]

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*Data verified by [Toneeto](https://www.toneeto.com/discover/neptune.ai). JSON available at [/api/co/neptune.ai](https://www.toneeto.com/api/co/neptune.ai).*