PromptHelm vs PromptLens
PromptHelm
prompthelm.appPromptLens
promptlens.ioSide by side
| Figure | PromptHelm | PromptLens |
|---|---|---|
| Price from | $39/mo | $99/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | — |
| Self-hosted | Yes | — |
| Plans published | 4 | 3 |
| Spec score · AI Prompt Management Software | 9.1 (#4) | 7.8 (#16) |
| Spec score · Prompt Management Software | 9.0 (#5) | 7.8 (#16) |
| Availability | The documentation says PromptHelm is currently invite-only and rolling out private-beta invites weekly. | The evaluations page says product access is subject to early-access approval. |
| Support | Listed support ranges from community on Free to email with a 48-hour response on Pro, priority plus Slack on Business, and a dedicated SE on Enterprise. | The Free plan includes email support, Pro includes priority email support, and Teams includes dedicated support. |
| What it does | PromptHelm is a prompt-management platform for LLM engineering teams that versions, deploys and monitors prompts. | PromptLens provides prompt management, evaluations, and observability for teams shipping production LLM workflows. |
Plans
PromptHelm
- FreeFree
- Pro$39 a month
- Business$249 a month
- EnterprisePriced on request
In their own words
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.
PromptLens
PromptLens has no write-up on Specifiction yet; its figures are above.