Prompt Bunker vs PromptHelm
Prompt Bunker
promptbunker.comPromptHelm
prompthelm.appSide by side
| Figure | Prompt Bunker | PromptHelm |
|---|---|---|
| Price from | $8/mo | $39/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | — | Yes |
| Self-hosted | — | Yes |
| Plans published | 2 | 4 |
| Spec score · Prompt Management Software | 8.1 (#12) | 9.0 (#5) |
| Availability | The terms state that uninterrupted availability is not guaranteed. | The documentation says PromptHelm is currently invite-only and rolling out private-beta invites weekly. |
| Product | Prompt Bunker is a workspace for organizing AI prompts and turning them into repeatable team workflows. | PromptHelm describes itself as a prompt management platform for LLM engineering teams to version, deploy, and monitor prompts across providers. |
| Support | The Pro plan includes priority support and faster feature access. | 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. |
Plans
PromptHelm
- FreeFree
- Pro$39 a month
- Business$249 a month
- EnterprisePriced on request
In their own words
Prompt Bunker
Prompt Bunker 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.