SpacePrompts vs UncannyPrompt
SpacePrompts
spaceprompts.comUncannyPrompt
uncannyprompt.comSide by side
| Figure | SpacePrompts | UncannyPrompt |
|---|---|---|
| Price from | $5/mo | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 3 | 0 |
| Spec score · Prompt Management Software | 8.5 (#8) | 6.6 (#26) |
| API | The API can retrieve and run prompts, count tokens, and enhance prompts; access is available on Pro and Team plans and limited to 60 requests per minute per API key. | Authenticated JSON endpoints cover prompts, Projects, folders, tags, variables, sharing, public links, and audit; automation can authenticate with an API key. |
| Intended users | The maker describes SpacePrompts as serving people and teams who work with AI, including designers, writers, marketers, and API automation users. | The product describes use for support playbooks, product research, engineering workflows, content templates, customer communication, and recurring AI tasks. |
| Product | SpacePrompts is a prompt management platform for saving, organizing, running, versioning, and reusing AI prompts. | UncannyPrompt is a structured home for reusable AI prompts, variables, versions, sharing rules, and audit history. |
| Versioning | Every save creates a prompt version, and users can roll back to an earlier version. | Users can track meaningful content changes and restore previous prompt versions. |
Plans
In their own words
SpacePrompts
SpacePrompts is a prompt management platform for people and teams working with AI. It runs on the web, through an API, and with Chrome, Edge, and Firefox extensions. Users can save, organize, run, version, and reuse prompts. The Playground combines an editor, variables, model selection, and immediate runs. An Evaluator scores prompts, highlights weak areas, and gives improvement guidance. Every save creates a version that can be restored later. The prompt manager extension can turn highlighted webpage text into a prompt. Its token counter supports OpenAI, Claude, Gemini, and DeepSeek models, showing token counts and estimated costs. Pro and Team plans provide API access, limited to 60 requests per minute per key. Team workspaces add shared libraries, collaborative editing, and role permissions for up to five members. Free includes 50 prompts and daily usage limits; Pro is $5 a month billed annually, and Team is $9 a month billed annually.
UncannyPrompt
UncannyPrompt has no write-up on Specifiction yet; its figures are above.