Alt text: Futuristic 16:9 tech thumbnail showing a laptop with a dark “Deep Research Report” dashboard in the center, surrounded by glowing logos for Perplexity, ChatGPT, Google, Gemini, Claude, and Grok in a versus-style layout. Neon blue and purple light streaks frame the scene, with a bold black rounded banner across the bottom reading “THE BEST AI SEARCH TOOL?” in bright yellow and “WE TESTED 6” in large white text, plus a small “2026” badge in the top-right corner.

AI Search and Deep Research Tools Compared: Perplexity vs ChatGPT vs Gemini vs Claude vs Grok vs Google in 2026

Update, July 2026: Grok 4.5 is now publicly available, released on July 8, 2026. See our Grok 4.5 breakdown, and our Grok 4.3 review for the previous generation. Claude figures below now reflect Claude Opus 5, which shipped on July 24, 2026. A single Perplexity Deep Research query now runs dozens of searches, reads hundreds […]