Arize Phoenix is an open-source platform for AI observability and evaluation, built by Arize.
AI tools for Data Scientists
3,775 live tools · ranked by monthly traffic and community votes · dead links removed automatically
Weights & Biases is an AI developer platform for tracking, evaluating and debugging machine learning models and LLM applications.
Cheap GPUs on demand
Run AI code without infrastructure
Rasa is an agent platform for product teams building customer-facing AI.
Scale AI effortlessly
A training API that hands control of model fine-tuning to researchers while someone else deals with the servers and scaling headaches
Production AI infrastructure
Cheap AI inference
Connect AI to your data
Vectors at scale
Search that understands meaning
You get five free credits daily on the Starter plan—enough for five YouTube video subtitle downloads without paying
Olostep is a web data API for AI agents and developers.
Connect AI models visually
Firecrawl is a web data API that gives AI agents and applications clean content from the live web.
Voyage AI makes embedding models and rerankers that raise the quality of search and retrieval, and it now operates as part of MongoDB.