
SpecialistBattle-test AI coding models side by side
SpecialistBattle-test AI coding models side by side
ModelFusion records 119 monthly visits with -88.2% month-over-month growth and Freemium pricing. Museum of Models (Rival) records 9,187 monthly visits with -35% growth and Free pricing.

Free LLM toolkit: cost calculators, prompts and model comparison
A free archive of how every AI model answered the same 100 questions
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | modelfusion.io | rival.tips |
| Pricing Model | Freemium | Free |
| Monthly Visits | 119 (119) | 9.19K (9,187) |
| MoM Traffic Delta | -885 (-88.2%) | -4.95K (-35%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (34.8%) |
| Direct Visits / mo | 51 | 3.66K |
| User Rating | 4.2 | 4.4 |
| Supported Platforms | Website | Website |

Free LLM toolkit: cost calculators, prompts and model comparison
Estimate API costs for GPT-4, Claude, Gemini and 25+ models and compare pricing across providers before you spend.
Access a large library of ready-made prompts and count tokens for any model to reduce cost and improve efficiency.
Find the best model for a use case and compare MMLU, HumanEval and other performance metrics interactively.
Chat with several AI models at once for side-by-side comparison, and upload PDFs or Word files to query them with AI.

A free archive of how every AI model answered the same 100 questions
One hundred identical questions covering drawings, websites, writing, images, code and audio, each answered by every model and kept as given.
121 of the 385 models are no longer served on OpenRouter, yet their answers remain viewable, preserving outputs that would otherwise be lost.
Add two to four models with a single click and view their answers to the same questions next to each other.
Explore a magnifiable globe of answers, an index sortable by release date, lab or question, a monthly timeline, and a fast command-K search.

SpecialistBattle-test AI coding models side by side
SpecialistBattle-test AI coding models side by side
Search millions of AI prompts and generate images and videos with every major model
Search millions of AI prompts and generate images and videos with every major model

Crowdsourced arena where AI models compete and humans crown the best design output
Crowdsourced arena where AI models compete and humans crown the best design output

SpecialistExpert human data and evaluation for training frontier AI

Free / Open-sourceOpen-source database of AI models, prices and capabilities
Free / Open-sourceOpen-source database of AI models, prices and capabilities

SpecialistA free prompt library and AI workflow hub for professionals
SpecialistA free prompt library and AI workflow hub for professionals

A curated directory of 30,000+ custom GPTs and AI agents
A curated directory of 30,000+ custom GPTs and AI agents

A searchable AI prompt database with 25 AI tools built in
A searchable AI prompt database with 25 AI tools built in
Free / Open-sourceOpen-source engineering calculators for civil and structural design
Free / Open-sourceOpen-source engineering calculators for civil and structural design
SpecialistA free community and toolbox for prompt engineers and AI builders
SpecialistA free community and toolbox for prompt engineers and AI builders

SpecialistA free prompt library and a curated, no-noise AI tools directory
SpecialistA free prompt library and a curated, no-noise AI tools directory

An industry non-profit advancing the safety and security of frontier AI models
An industry non-profit advancing the safety and security of frontier AI models