https://www.perplexity.ai/?model_id=deep_research 2025 https://generativeai.pub/preplexity-ai-launches-deep-research-feature-a7aaba8acd49 https://habr.com/ru/articles/883272/ https://www.perplexity.ai/page/elon-musk-s-grok-3-a-paradigm-illiPQcZQJawdqrU_kTdRA https://www.perplexity.ai/hub/blog/introducing-perplexity-deep-research Antrict - DeepResearch Free Analog 0:00 of 3:53 https://www.youtube.com/watch?v=NpVECYMp-Qs