# ML Ops & Training: the tools companies use

237 companies on usedby use at least one of the 11 tools in this category with a public customer. Weights & Biases leads with 55 companies. Counts are of companies on usedby, not of the whole market. Latest check 2026-10-07: 249 of 259 public lines checked.

> Platforms for model training and lifecycle management

Family: [Engineering & Data](https://www.usedby.ai/tools/category/engineering-data.md)

## Ranking

Public customers count every public line, job-post signals included; ties share a rank.

| Rank | Tool | Public customers | Confirmed | Observed | Signals |
|---|---|---|---|---|---|
| 1 | [Weights & Biases](https://www.usedby.ai/tools/weights-and-biases.md) | 55 | 43 | 12 | 0 |
| 2 | [H2O.ai](https://www.usedby.ai/tools/h2o-ai.md) | 42 | 35 | 7 | 0 |
| 3 | [Labelbox](https://www.usedby.ai/tools/labelbox.md) | 29 | 20 | 9 | 0 |
| 4 | [Encord](https://www.usedby.ai/tools/encord.md) | 25 | 11 | 14 | 0 |
| 5 | [DataRobot](https://www.usedby.ai/tools/datarobot.md) | 24 | 9 | 15 | 0 |
| 6 | [Anyscale](https://www.usedby.ai/tools/anyscale.md) | 23 | 15 | 8 | 0 |
| 7 | [Domino Data Lab](https://www.usedby.ai/tools/domino-data-lab.md) | 17 | 6 | 11 | 0 |
| 8 | [Scale AI](https://www.usedby.ai/tools/scale-ai.md) | 16 | 1 | 15 | 0 |
| 9 | [Snorkel AI](https://www.usedby.ai/tools/snorkel-ai.md) | 12 | 2 | 10 | 0 |
| 10 | [Hugging Face](https://www.usedby.ai/tools/hugging-face.md) | 9 | 0 | 8 | 1 |
| 11 | [Patronus AI](https://www.usedby.ai/tools/patronus-ai.md) | 7 | 7 | 0 | 0 |

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Source: https://www.usedby.ai/tools/category/ml-ops-training · How we check: https://www.usedby.ai/methodology