Endprompt vs PromptLens
Endprompt
endprompt.aiPromptLens
promptlens.ioSide by side
| Figure | Endprompt | PromptLens |
|---|---|---|
| Price from | $99/mo | $99/mo |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | — |
| Plans published | 3 | 3 |
| Spec score · Prompt Management Software | 8.2 (#9) | 7.8 (#16) |
| Observability | Request logs include prompt hash, model, tokens, cost, and latency, and requests can be replayed. | The site says its observability product traces production model calls, tools, and retrieval, including timing, errors, usage, and cost. |
| Prompt management | Prompt changes are automatically versioned, can be promoted from draft to live, and can be rolled back. | PromptLens lets users version prompts and publish the version their application needs through a retrieval API. |
Plans
In their own words
PromptLens
PromptLens has no write-up on Specifiction yet; its figures are above.