Free2AITools
Search, rank, and compare 500K+ AI models from 13+ platforms with VRAM and license constraints
Free2AITools — The Open-Source AI Registry
Discover, rank, and compare 500,000+ AI models, datasets, papers, and tools from 13+ platforms. Updated daily, scored by the Free2AITools Nexus Index (FNI).
Website: free2aitools.com
What It Does
- 500K+ Entities — Models, datasets, papers, agents, tools, spaces, and prompts from HuggingFace, GitHub, ArXiv, Ollama, Replicate, Civitai, and more
- FNI Ranking — 5-factor composite score (Semantic, Authority, Popularity, Recency, Quality) with full breakdown in every API response
- Hardware-Aware Selection — Find models that fit your VRAM, license, and task constraints
- Daily Updates — Automated pipeline refreshes all data daily
For Developers & AI Agents
Model Selection API
curl -s https://free2aitools.com/api/v1/select \
-H "Content-Type: application/json" \
-d '{"task":"text-generation","constraints":{"max_vram_gb":8}}'
Returns ranked recommendations with params, VRAM estimates, license, and rationale.
Model Comparison API
curl "https://free2aitools.com/api/v1/compare?ids=hf-model--meta-llama--llama-3-8b,hf-model--google--gemma-2-27b"
Side-by-side comparison with FNI factor decomposition.
Search API
curl "https://free2aitools.com/api/v1/search?q=code+generation&limit=5"
MCP Server
Add to Claude, Cursor, Windsurf, or any MCP-compatible client:
{
"mcpServers": {
"free2aitools": {
"url": "https://free2aitools.com/api/mcp"
}
}
}
5 tools: free2aitools_search, free2aitools_rank, free2aitools_explain, free2aitools_select_model, free2aitools_compare.
FNI Badge
Embed live FNI score in your README:

Open Data
Parquet exports available for offline analysis with DuckDB, Pandas, or Spark.
Documentation
- Developer Docs — API reference, MCP setup, Badge integration
- FNI Methodology — Scoring formula, sub-factors, anti-manipulation
- Trends — Weekly AI model intelligence
No auth required. Free to use.
License
MIT
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