Updated March 9, 2026
Bright Data is an enterprise-grade web data platform providing proxy infrastructure, browser automation, and ready-made datasets for AI training. Serving Fortune 500 companies, it offers Web Scraper IDE, Scraping Browser with AI capabilities, and pre-collected datasets from major websites.
Crawl4AI is an open-source, LLM-friendly web crawler that became the #1 trending GitHub repository. It provides asynchronous parallel crawling, structured data extraction, and markdown conversion optimized for feeding content into LLMs and RAG pipelines.
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.