Updated March 10, 2026
Apify is a full-stack web scraping and automation platform with a marketplace of 6,000+ pre-built scrapers (Actors). It provides managed browser infrastructure, proxy rotation, and data storage for large-scale web data extraction. Apify is widely used for feeding web data into AI applications and RAG pipelines.
Spider is a high-performance web crawler built in Rust that can crawl thousands of pages per second. It provides LLM-ready output formats, JavaScript rendering, and anti-bot bypassing, making it ideal for large-scale web data collection for AI applications.
What each tool does well, and the limitations to keep in mind.
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.