Free / Open-sourceLargely free community-driven prompt sharing and instant chatting, rather than a transactional marketplace.
Models.dev records 200,451 monthly visits with -3.9% month-over-month growth and Free pricing. PromptBase records 538,129 monthly visits with -1.8% growth and Paid pricing.

Open-source database of AI models, prices and capabilities
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | models.dev | promptbase.com |
| Pricing Model | Free | Paid |
| Monthly Visits | 200.45K (200,451) | 538.13K (538,129) |
| MoM Traffic Delta |
| -8.17K (-3.9%) |
| -9.85K (-1.8%) |
| Primary Market & Share | 🇨🇳 China (23%) | 🇺🇸 United States (27.7%) |
|---|
| Direct Visits / mo | 136.32K | 256.49K |
|---|
| User Rating | 4.4 | 3.7 |
|---|
| Supported Platforms | Website | Website |
|---|

Open-source database of AI models, prices and capabilities
Every model uses a consistent provider/model format so the same model across providers can be compared directly.
Side-by-side context window, output limit, reasoning, tool calling, structured output, and temperature support.
Input and output prices per million tokens listed alongside release and update dates.
Covers closed flagship APIs and open-weight models from many labs in one sortable catalogue.

Buy a prompt that already works - or sell the ones you have perfected.
Thousands of ready-to-use prompts organised by model and by output type, from illustration styles to marketing copy.
Listings are grouped by the model they were built for, so you can filter to the tool you actually use.
Each prompt is shown with example outputs, making it easy to judge the style before spending anything.
Anyone can upload prompts for sale and earn revenue share on every copy sold.
Free / Open-sourceLargely free community-driven prompt sharing and instant chatting, rather than a transactional marketplace.
SpecialistMassive free prompt search engine and discovery platform, but lacks PromptBase's direct creator monetization marketplace.

SpecialistIncludes model pricing trackers and developer news alongside tools directories, but less focused on raw API specs.
#3
SpecialistDeeply specialized catalog for Midjourney styles and reference codes, but lacks multi-model text and video coverage.
Free / Open-sourceFree, community-curated AI prompt library for ChatGPT, Claude and Gemini

SpecialistCatalogues and compares AI infrastructure tools and services across categories, but lacks deep per-token pricing tables.

Free / Open-sourceCommunity marketplace for AI prompts, agents, and automations

SpecialistA searchable AI prompt database with 25 AI tools built in

Free / Open-sourceA free prompt library and a curated, no-noise AI tools directory

SpecialistArchives how various AI models answer identical prompts over time, offering qualitative comparison rather than pricing.

Tracks per-token API prices across major AI providers in a simple comparison table, but omits broader model specs.
Similar creator marketplace for buying and selling prompt templates, but with a different community focus.
Free / Open-sourceLargely free community-driven prompt sharing and instant chatting, rather than a transactional marketplace.
SpecialistMassive free prompt search engine and discovery platform, but lacks PromptBase's direct creator monetization marketplace.
SpecialistIncludes model pricing trackers and developer news alongside tools directories, but less focused on raw API specs.
SpecialistDeeply specialized catalog for Midjourney styles and reference codes, but lacks multi-model text and video coverage.
Free / Open-sourceFree, community-curated AI prompt library for ChatGPT, Claude and Gemini
SpecialistCatalogues and compares AI infrastructure tools and services across categories, but lacks deep per-token pricing tables.
Free / Open-sourceCommunity marketplace for AI prompts, agents, and automations
SpecialistA searchable AI prompt database with 25 AI tools built in
Free / Open-sourceA free prompt library and a curated, no-noise AI tools directory
SpecialistArchives how various AI models answer identical prompts over time, offering qualitative comparison rather than pricing.
Tracks per-token API prices across major AI providers in a simple comparison table, but omits broader model specs.
Similar creator marketplace for buying and selling prompt templates, but with a different community focus.