
SpecialistBattle-test AI coding models side by side
SpecialistBattle-test AI coding models side by side
Countless.dev records 787 monthly visits with -45.8% month-over-month growth and Free pricing. ModelFusion records 119 monthly visits with -88.2% growth and Freemium pricing.

Free LLM toolkit: cost calculators, prompts and model comparison
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | countless.dev | modelfusion.io |
| Pricing Model | Free | Freemium |
| Monthly Visits | 787 (787) | 119 (119) |
| MoM Traffic Delta | -665 (-45.8%) | -885 (-88.2%) |
| Primary Market & Share | 🌐 Global (—) | 🌐 Global (—) |
| Direct Visits / mo | 318 | 51 |
| User Rating | 4.4 | 4.2 |
| Supported Platforms | Website | Website |
Compare AI model prices, features and capabilities in one place
View models from many providers in one interface, lining up pricing, context limits, modalities and capabilities.
Estimate real-world cost for a workload by plugging in token or request volumes against current model rates.
Put two models head to head to see exactly where one beats the other on price and features.
Explore capability-and-price trade-offs, with a Pareto view that surfaces models offering the best value for a given performance level.

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.

SpecialistBattle-test AI coding models side by side
SpecialistBattle-test AI coding models side by side

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
Free / Open-sourceSearch and study millions of public SKILL.md agent skills
Free / Open-sourceSearch and study millions of public SKILL.md agent skills

SpecialistExpert human data and evaluation for training frontier AI
AI 工具目录、深度评测与每日 AI 新闻

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

SpecialistIndependently scored open-source alternatives to paid SaaS
SpecialistIndependently scored open-source alternatives to paid SaaS

A curated directory of 30,000+ custom GPTs and AI agents
A curated directory of 30,000+ custom GPTs and AI agents
Free / Open-sourceOpen-source engineering calculators for civil and structural design
Free / Open-sourceOpen-source engineering calculators for civil and structural design

An editor-reviewed directory of 2,888+ AI tools, dated and marked live or retired
An editor-reviewed directory of 2,888+ AI tools, dated and marked live or retired

Live cloud GPU price comparison across 31 providers
Live cloud GPU price comparison across 31 providers