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SPECIFICTION
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Endprompt vs PromptHelm

Endprompt

endprompt.ai

PromptHelm

prompthelm.app

Side by side

FigureEndpromptPromptHelm
Price from$99/mo$39/mo
Free plan—Yes
Free trialYesYes
Open source——
WebYesYes
iOS—Yes
Android—Yes
APIYesYes
Self-hosted—Yes
Plans published34
Spec score · Prompt Management Software8.2 (#9)9.0 (#5)
ProductEndprompt provides versioned, tested, and observable LLM endpoints with typed input and output schemas.PromptHelm describes itself as a prompt management platform for LLM engineering teams to version, deploy, and monitor prompts across providers.
TrialThe 14-day free trial includes all features in the selected plan and does not require a credit card to start.Every new account gets an automatic 14-day Pro trial with no credit card required.

Plans

Endprompt

  • Solo$99 a month
  • Team$199 a month
  • Enterprise$499 a month

Endprompt pricing →

PromptHelm

  • FreeFree
  • Pro$39 a month
  • Business$249 a month
  • EnterprisePriced on request

PromptHelm pricing →

In their own words

Endprompt

Endprompt has no write-up on Specifiction yet; its figures are above.

Visit endprompt.ai

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.

Visit prompthelm.app