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.
Articles Tagged "XAI"
AGI in 2026? Andrew Ng Has Some Bad News for Musk
Andrew Ng says AGI is decades away and the real AI bubble risk is in the training layer - not inference. We examine both claims against the data.
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.
Seven Tech Giants Will Sign Trump's 'Ratepayer Protection Pledge' to Build Their Own Power for AI Data Centers
Amazon, Google, Meta, Microsoft, xAI, Oracle, and OpenAI will meet at the White House on March 4 to sign a voluntary pledge to build, bring, or buy their own electricity supply for AI data centers - but the agreement has no enforcement mechanism.
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.
SpaceX Swallows xAI in $1.25 Trillion Merger, Files Plans for a Million Orbital Data Centers
Elon Musk merges SpaceX and xAI in the largest merger of all time, valued at $1.25 trillion, with plans for orbital AI data centers and a mid-2026 IPO that could raise $50 billion.
Grok Reaches 17.8% U.S. Market Share After Nearly 10x Growth in One Year
Elon Musk's Grok chatbot surged from 1.9% to 17.8% U.S. market share in twelve months, becoming the third-largest AI chatbot behind ChatGPT and Gemini. The secret weapon isn't model quality - it's distribution through X's 600 million users.
xAI Launches Grok 4.20 With Four AI Agents That Debate Each Other Before Answering You
xAI's Grok 4.20 replaces the single-model approach with four specialized AI agents - Grok, Harper, Benjamin, and Lucas - that reason in parallel, fact-check each other, and synthesize answers collaboratively.
AI Safety's Exodus: The People Who Built the Guardrails Are Walking Away
A wave of safety researchers and executives have quit OpenAI, Anthropic, and xAI in the span of a single week, warning that the industry is moving too fast and abandoning its own principles.
