Perplexity AI · Research
Perplexity
Answer engine that cites its sources as it searches the live web.
Visit siteHugging Face
By Hugging Face
The open hub for models, datasets and demos.
Research
WHAT IT DOES
- Maker
- Hugging Face
- Website
- huggingface.co
- Category
- Research
The de facto open hub for models, datasets and demos. It underpins much of the open-source ecosystem and is where a large share of non-frontier capability is shared, benchmarked and built upon.
Listed in the directory because it is part of the stack pushing toward AGI. Picked by the editors; none of it feeds a calculation on this site.
More of the stack
Epoch AI · Research
Epoch AI
Tracks the compute, data and cost trends that drive AI progress. One of the sources this site reads.
Visit siteOpenAI · Assistant
ChatGPT
The mass-market on-ramp to frontier models: a general assistant for writing, reasoning and code.
Visit siteMissing
a tool?
Send it by email with a line on what it does. Every listing is reviewed by hand before it goes up.