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xAI

Elon Musk's AI lab, maker of the Grok models: fast, plugged into real-time information from X, and priced to undercut the big labs.

xAI models tracked here

ModelContextInput / output priceSWE Pro
Grok 4.5500K$2 / $664.7%
Grok 4.1 Fast2M$0.20 / $0.5070.0%

Recent xAI releases

๐Ÿ†• New

Grok 4.5 released

xAI's new flagship pairs strong terminal and coding performance with real-time access to X (Twitter) data, at a mid-tier $2/$6 per million tokens with a 500K context window.