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xAI (SpaceXAI)

Grok models — reasoning, coding, real-time/X-integrated AI

Lab facts
Founded2023
HeadquartersPalo Alto, CA, USA
FoundersElon Musk, Igor Babuschkin
ParentSpaceX — SpaceX acquired xAI in Feb 2026; public brand drifting to SpaceXAI
FocusGrok models — reasoning, coding, real-time/X-integrated AI
Official sitehttps://x.ai
Data verifiedOct 14, 2026
72.3Club Score (#5)
Grok 4.3Best model (74)
2Models tracked (squad)
Grok 4.3Cheapest capable ($1.56/1M blended)
Grok 4.7Latest release (Sep 21, 2026)
0%Open-weight share (Closed)

Models & league positions

Models by xAI (SpaceXAI)
ModelScoreOverallCodingReasoningValueOpen-WtContext$/1M in$/1M outReleased
Grok 4.374#13—#13#6—1M$1.25$2.50Apr 30, 2026
Grok 4.767#18——#13—500K$2.00$6.00Sep 21, 2026

Latest releases

All releases from this lab →

Research highlights

Grok 4.7 released

Sep 21, 2026

xAI's 'most capable model for coding and knowledge work': $2/$6 per 1M tokens with a 500K-token context window.

Source: xAI, via EvoLink

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