Tag
xAI
xAI is Elon Musk’s AI company, best known for Grok and its developer APIs. This tag covers model releases, reasoning modes, long-context support, hallucination reduction, and where xAI fits in tools, infrastructure, and physical-world applications.
10 articles
Anthropic’s growth is outrunning its compute
Anthropic’s revenue hit $30 billion annualized, but demand forced it to rent xAI’s Memphis data center and raise Claude limits.
Why Musk’s AI stack should stay inside SpaceX
Musk’s AI strategy is strongest when it stays vertically integrated inside SpaceX.
马斯克把xAI并入SpaceX，算力转向Claude
马斯克将xAI并入SpaceX，并把22万块GPU的Colossus 1租给Anthropic，算力战线明显改写。
xAI gives Anthropic access to Colossus 1
xAI signed a compute deal with Anthropic for Colossus 1, a 220,000-GPU cluster meant to boost Claude capacity and future orbital compute work.
Bezos Bets on Physical-World AI with Prometheus
Jeff Bezos’ Project Prometheus hired xAI cofounder Kyle Kosic, signaling a $6.2B push into AI for engineering, manufacturing, and aerospace.
Openclaw April 2026 Update Adds xAI, MiniMax
Openclaw’s April 2026 release adds xAI and MiniMax support, new approval hooks, safer exec defaults, and cleaner onboarding.
Grok 4.1: xAI’s quieter upgrade that matters
xAI’s Grok 4.1 cuts hallucinations, boosts chat quality, and adds Fast and Thinking modes with 256k context and 2M-token API support.
Grok 4.20: xAI's new flagship model explained
xAI’s Grok 4.20 adds a 2M-token context window, multi-agent reasoning, and API pricing from $2 per million input tokens.
Grok 4.20 pushes xAI’s truth-first bet
xAI’s Grok 4.20 arrived in beta on Feb. 17, 2026, after a $20B raise and a SpaceX deal that put xAI at $250B.
AI funding hits record highs in 2026
OpenAI, Anthropic, xAI and Waymo drove record AI fundraising in 2026, with four of the five biggest deals ever closed.