Grok 4.20 Review: Four Minds Are Better Than One
xAI's Grok 4.20 replaces the single-model approach with four specialized agents that debate before every answer - a bold architectural bet that pays off in some areas and stumbles in others.
Articles Tagged "Grok"
Grok 4.20
Grok 4.20 is xAI's current flagship LLM with a 2M-token context window, native multi-agent mode, and reasoning toggle at $2.00/M input tokens.
xAI 'Not Built Right' - Nine Co-Founders Gone
Elon Musk admitted xAI was built incorrectly as nine of eleven co-founders have departed and two Cursor engineers are brought in to restart Grok's coding tools.
Grok 4
Grok 4 is xAI's frontier reasoning model, the first to break 50% on Humanity's Last Exam, with a 256K context window, $3/M input pricing, and a Heavy multi-agent variant built on 200,000 GPUs.
Grok 4 vs ChatGPT: Which AI Chatbot Wins in 2026?
A data-driven comparison of xAI's Grok 4 and OpenAI's ChatGPT powered by GPT-5.2, covering benchmarks, pricing, features, and real-world performance.
Musk Called Grok Safer Than ChatGPT - Records Disagree
Elon Musk's deposition claims that Grok is safer than ChatGPT are undercut by xAI's own deepfake scandal and mounting regulatory scrutiny ahead of the April trial.
Trump Orders Every Federal Agency to Stop Using Anthropic - Pentagon Brands Company a National Security Risk
President Trump directed all U.S. government agencies to immediately cease using Anthropic's technology after the company refused to drop AI safety guardrails for the Pentagon. Defense Secretary Hegseth designated Anthropic a supply chain risk to national security.
Grok Review: xAI's Everything App for AI
Grok has grown from a chatbot into a full AI platform - SuperGrok tiers, 2M context, Imagine video, Aurora images, DeepSearch, and the Grok 4.20 beta. We review the entire ecosystem to see if xAI's ambition matches its execution.
AI Models Can Now Jailbreak Other AI Models Autonomously - 97% Success Rate, No Human Involved
Researchers from Stuttgart and ELLIS Alicante gave four reasoning models a single instruction - 'jailbreak this AI' - and walked away. The models planned their own attacks, adapted in real time, and broke through safety guardrails 97.14% of the time across 9 target models.
Perplexity Launches Computer - a $200/Month Agent Platform That Orchestrates 19 AI Models to Run Projects for Weeks
Perplexity's new Computer product breaks tasks into sub-agents routed across Claude, Gemini, GPT-5.2, and Grok, running autonomously for days or months in isolated cloud sandboxes. Available now for Max subscribers at $200/month.
Grok 4.20 Debuts at Number One on Search Arena, Cracks Top Four in Text
xAI's Grok 4.20 beta1 takes the top spot on LMArena's Search Arena with an ELO of 1226, beating GPT-5.2 and Gemini 3. It also lands fourth on the Text Arena at 1492, within striking distance of Claude Opus 4.6.
Researchers Extracted 95.8% of Harry Potter From Claude, Word for Word - and It Only Cost $55
Stanford researchers proved that Claude, Gemini, Grok and GPT-4.1 can reproduce entire copyrighted novels from memory. Some models didn't even need jailbreaking.
