Side-by-side comparison of two listed AI Image tools — real listing data only, no paid placement.
On record, they differ in: unique tags (PromptHero 4: #ai-prompts #prompt-engineering #video-generation +1 more vs Lexica 2: #prompts #search); category rank (PromptHero #24 vs Lexica not in top 50). Same pricing model (Freemium) and category (AI Image). Listing facts only — not a recommendation.
Search millions of AI prompts for leading generative models
PromptHero is a platform for discovering and sharing AI prompts for image and video generation. It supports popular models like Midjourney, Stable Diffusion, Sora, and FLUX, offering a searchable database of community-contributed prompts. Users can explore hand-picked inspiration across categories such as photography, anime, and fashion, and can try the service for free.
Published 2026-08-08 · Links checked 2026-09-05
Search engine and gallery for AI-generated images and prompts
Lexica indexes millions of Stable-Diffusion-style generations so you can search by keyword, inspect the exact prompt behind an image, and generate your own variations. Useful for prompt research and visual inspiration.
Published 2026-08-06 · Links checked 2026-09-13
| PromptHero | Lexica | |
|---|---|---|
| Pricing | Freemium | Freemium |
| Category | AI Image | AI Image |
| Rank in AI Image | Position #24 of 76 | not in top 50 of 76 |
| Alternatives listed | 3 → | 1 → |
| Shared tags | #image-generation | |
| Unique tags | #ai-prompts #prompt-engineering #video-generation #community | #prompts #search |
| Platforms | Web app (installable) | Not detected on official site (checked 2026-09-06) |
| Pricing page | Plans & Pricing | Not detected on official site (checked 2026-09-06) |
| Company | PromptHero | Not detected on official site (checked 2026-09-06) |
| In their own words | The #1 website for Artificial Intelligence and Prompt Engineering. Search the world's best AI prompts for models like Stable Diffusion, ChatGPT, Midjourney...— official site (homepage description), checked | The state of the art AI image generation engine.— official site (homepage description), checked |
| Official website | prompthero.com | lexica.art |
| Site preview | ||
Rank = neutral rotation by listing ID, not a quality score · how it works
Only platforms with an official store or installer link are listed; others may exist.
PromptHero is Freemium; Lexica is Freemium. Both are listed in AI Image on ToolDock.
What they have in common: #image-generation
PromptHero is listed as freemium (free tier alongside paid plans); Lexica is listed as freemium (free tier alongside paid plans). Pricing label set at listing time; official pricing page linked where verified — see each official website for current details.
Both are AI Image tools listed on ToolDock, and they share the tag image-generation.
ToolDock keeps a tag-matched alternatives list for each: see PromptHero alternatives and Lexica alternatives.