Updated March 10, 2026
Diffbot uses computer vision and NLP to automatically extract structured data from any web page.
Exa is an AI-native search API that uses embeddings to find semantically similar content.
What each tool does well, and the limitations to keep in mind.
Pros
Cons
Pros
Cons
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.