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Published on 24.03.2026
TLDR: xAI's Grok 4.20 runs four specialized agents (Captain, Researcher, Analyst, Contrarian) that debate internally before producing answers. Hallucination rate dropped 65% from Grok 4.1. The multi-agent "council pattern" is validated by research showing 70% to 95% accuracy gains.
Grok 4.20: Four AI Agents That Argue Before Answering You
TLDR: A curated collection of caching resources from Architecture Weekly covering Netflix's caching approach, Stack Overflow's multi-tenant caching, RevenueCat's 1.2 billion daily API requests, and using PostgreSQL as a cache instead of dedicated cache services.
Cache me if you can and other resources about caching
TLDR: A complete AI SEO Engine using 6 chained prompts handles keyword research, competitor analysis, content briefs, on-page optimization, and 90-day publishing calendars. What takes agencies 2-3 weeks now takes 45 minutes with ChatGPT or Claude.