Grok 3
SpaceXAI's flagship third-generation beta model, combining extensive pretraining with reinforcement-learned test-time reasoning and improved mathematics, coding and instruction following.
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Why this model scores 73.3
Large capability gains and minutes-long self-correcting reasoning raise capability and autonomy. Early user rollout makes deployment material but below generally available services. Broad X-linked access and strong coding increase misuse exposure, while hosted access limits downstream control difficulty.
News tied to Grok 3
The model score of 73.3 rates this model's risk profile. The overall Doom Index of 67.9 measures the complete temporally weighted evidence record. These values answer different questions.
Each article's current Doom Index contribution is divided equally among the exact models named on that article. This prevents multi-model evidence from being claimed in full on several model pages. Model risk scores use a bounded temporal offset around their technical profile, but never feed back into the overall index.
SpaceXAI unveils Grok 3 and Grok 3 mini reasoning models
SpaceXAI unveiled Grok 3 and Grok 3 mini, beta reasoning models trained with large-scale reinforcement learning and ten times the compute of its prior generation, with user rollout beginning.
- Full item contribution
- +0.21
- Grok 3 equal share
- +0.11
Model score history
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R4
Doom Score 73.3
Source-backed model availability audit using the model's existing primary or authoritative catalogue evidence. Exact-version evidence chronology replayed under temporal-monthly-pressure-v4.
12 Aug 2026 -
R3
Doom Score 73.3
Exact-version evidence chronology replayed after run doombench-hourly-news-20260812-142416 under temporal-monthly-pressure-v4.
12 Aug 2026 -
R2
Doom Score 73.6
Exact-version evidence chronology replayed after run doombench-hourly-news-20260812-132112 under fixed-sensitivity-v3.
12 Aug 2026 -
R1
Doom Score 74.4
Initial exact profile for the February 2025 flagship Grok 3 beta tier.
12 Aug 2026