Grok 4.1

xAI · 2025 · Reasoning LLM · USA

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A to Z

A · App: Yes
B · Built By: xAI
C · CEO & Politics: Elon Musk — Right / Republican; largest individual donor of 2024 cycle; revived America PAC with $100M+ for GOP in 2026 midterms (America Party plan shelved)
D · Date: 2025
E · Expertise: Beginner (app available)
F · Free Tier: Yes
G · Generates: Images, Video
H · Deployment: Cloud only (proprietary)
I · Inputs: Text
J · Jurisdiction: USA
K · Key Staffers: Part of SpaceX (Elon Musk, CEO); Gwynne Shotwell (SpaceX President)
L · Languages: English-primary
M · Model Type: Reasoning LLM
N · Safety Issues: Use official system card/docs for model-specific risk details.
O · Open Source: Proprietary
P · Pricing: Free (limits); SuperGrok $30/mo
Q · AIDb Rating: 7/10 · AIDb v2.0 (curated): Capability 8/10 · Currency 6/10 · Access 7/10 · Significance 5/10 → 7.00
R · What Makes It Special: xAI's Grok 4.1 (November 17, 2025), released to all users on grok.com, X and the iOS and Android apps after a two-week silent rollout in which users preferred it to the previous model 64.78% of the time; tuned with large-scale reinforcement learning for style, personality, emotional intelligence and helpfulness, its Thinking mode took #1 on LMArena's Text Arena at 1483 Elo, and its hallucination rate on real info-seeking prompts fell to 4.22% from Grok 4 Fast's 12.09%.
S · Stock / Status: Public via SpaceX (Nasdaq: SPCX, IPO Jun 12, 2026); $145 (SPCX, Sep 28, 2026)
T · Training Cutoff: [UNKNOWN]
U · Users: [UNKNOWN]
V · Voice Chat: Yes
W · Weights: API only
X · X Handle: @SpaceXSI
Y · Year Founded: [UNKNOWN]
Z · Bottom Line: Proprietary Reasoning LLM from xAI, released 2025.

Data completeness 88% · Last verified 2026-08-09 · Primary source ↗

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“Grok 4.1.” AIDb — The AI Database. Verified 2026-08-09. https://theaidatabase.com/m/xai-grok-4-1.html

Grok 4.1

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