ChatGPT, Perplexity, and Gemini Deep Research compared — plus a 4-layer market analysis framework, a 3-step competitor teardown, and real prompts I use in client work.
Gemini Deep Research's 1M+ token context and multi-step browsing make it a different beast for technical SEO audits. Here's the 3-step workflow I use, the prompts that actually return useful output, and the limits you should know about.
