MLflow Prompt Registry vs PromptHelm
MLflow Prompt Registry
mlflow.orgPromptHelm
prompthelm.appSide by side
| Figure | MLflow Prompt Registry | PromptHelm |
|---|---|---|
| Price from | — | $39/mo |
| Free plan | — | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | — | Yes |
| Self-hosted | — | Yes |
| Plans published | 0 | 4 |
| Spec score · AI Prompt Management Software | 5.7 (#25) | 9.1 (#4) |
Plans
PromptHelm
- FreeFree
- Pro$39 a month
- Business$249 a month
- EnterprisePriced on request
In their own words
MLflow Prompt Registry
MLflow Prompt Registry has no write-up on Specifiction yet; its figures are above.
PromptHelm
PromptHelm is a prompt management platform for engineering teams building LLM features. It supports deploying prompts by environment, keeping version histories, rolling back changes, and testing in a playground. Its multi-provider gateway names OpenAI, Anthropic, Google, and DeepSeek. Teams can track token spending by model and prompt, review usage and cost trends, and set budget alerts. Request monitoring filters by status, model, or prompt and provides request and response details for debugging; analytics cover P50/P95/P99 latency, error rates, and model performance comparisons. SDKs are listed for Node, Python, iOS, Android, Java, and.NET. Plans include a free tier, Pro at $39 a month, and Business at $249 a month; Enterprise pricing is custom and unlisted. New accounts receive an automatic 14-day Pro trial without a credit card. The documentation describes access as invite-only, with private-beta invitations rolling out weekly.