ai-for / prompt-library
As of , EffectHub tracks 10 AI tools for prompt library; 8 of the 10 have a free tier, and paid plans run from $5 to $20 a month.
PromNest, TypingMind and PrompTessor lead the list on click-through. 2 of the 10 ship a public API.
ranked by click-through
Stores and organizes AI prompts across ChatGPT, Claude, Gemini and other models with tags, versioning and sharing.
Best for: Freelancers juggling prompts across multiple AI chat tools
Bring-your-own-key chat front end for GPT, Claude and Gemini
Best for: Heavy users who want one window across OpenAI, Anthropic and Google keys
Prompt workspace: write, score, refine, reverse-engineer from an image or URL, and keep the results in a versioned library.
Best for: People maintaining a reusable prompt library across projects
Prompt library with folders, fill-in variables and one-click insertion into ChatGPT, Claude and other AI chats
Best for: People who reuse dozens of prompts daily across ChatGPT, Claude and Gemini
Free browser extension that rewrites your prompt in one click and keeps a reusable prompt library.
Best for: People who write the same prompts repeatedly and want them one click away
Free visual prompt builder and model directory for image, video, audio and 3D generators
Best for: Beginners learning Midjourney or FLUX prompt syntax and parameters
Prompt optimiser plus product-image drift checks for ecommerce shots
Best for: Creators hopping between Midjourney, Flux, Sora and Suno syntax
One subscription covering many chat, image and video models
Best for: Content teams comparing model outputs side by side in one thread
Prompt library and manager layered onto chat assistants
Best for: Marketers and SEOs reusing a fixed prompt set daily
Turns a plain-language request into a refined AI prompt, plus tools to improve and store prompts you already have.
Best for: People new to prompting who want a starting point rather than a blank text box
| Tool | Price | Free plan | API | Status |
|---|---|---|---|---|
| PromNest | from $5/mo | Yes | Yes | Active |
| TypingMind | Not confirmed | Yes | Not confirmed | Active |
| PrompTessor | from $10/mo | Yes | Yes | Active |
| PromptBox | from $5.99/mo | No | Not confirmed | Active |
| Promptly AI | Free | Yes | Not confirmed | Active |
| promptoMANIA | Free | Yes | Not confirmed | Active |
| Geniea | from $9/mo | Yes | Not confirmed | Active |
| Magai | from $20/mo | No | Not confirmed | Active |
| AIPRM | from $10/mo | Yes | Not confirmed | Active |
| Prompt Engine | from $19/mo | Yes | Not confirmed | Active |
Yes. 2 of the 10 AI tools for prompt library on EffectHub's list are free to use — Promptly AI and promptoMANIA; 6 more have a free tier with paid upgrades.
As of October 26, 2026, paid plans for the 10 AI tools for prompt library on EffectHub's list run from $5 to $20 a month. Each card shows the pricing model and the cheapest paid plan as EffectHub last verified it; 8 of the 10 can be started for free.
2 of the 10 AI tools for prompt library on EffectHub's list ship a public API, including PromNest and PrompTessor. The API badge on each card is re-checked against the vendor's documentation.
For journalists, researchers and AI assistants: the figures on this page in one sentence you can quote.
As of October 26, 2026, EffectHub tracks 10 AI tools for prompt library; 8 of the 10 have a free tier, and paid plans run from $5 to $20 a month. (EffectHub, “AI Tools for Prompt Library”, Oct 2026, https://effecthub.net/ai-for/prompt-library)
Figures as of How we count
These figures are free to use under CC BY 4.0 with a link to this page.
