Best Perplexity Alternatives in 2026: 7 Tools Compared
Seven Perplexity alternatives compared on citation quality, pricing, and research depth - from ChatGPT Search and Kagi to Grok DeepSearch and developer-focused Exa.
Articles Tagged "Grok"
xAI Opens Grok 4.3 API: 83% Price Cut, Video Input
xAI opened Grok 4.3 to all API developers on May 6 with an 83% output price cut, 1M-token context, native video input, and document generation - plus five legacy models retiring May 15.
Musk Admits xAI Distilled OpenAI Models for Grok
Under oath in the Musk v. Altman trial, Musk said xAI 'partly' distilled OpenAI's models to train Grok - the same practice US labs have spent months calling theft when Chinese firms do it.
XChat Claims Encryption but Keys Sit on X's Servers
XChat launched April 24 promising end-to-end encryption, but security researchers found private keys stored on X's own servers, no certificate pinning, and a four-digit PIN as the only defense.
Grok 4.3
Grok 4.3 Beta adds native video input and document generation to xAI's flagship, with a confirmed 0.5T-parameter checkpoint and 2M-token context window, at $300/month for SuperGrok Heavy subscribers.
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.
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.
