Grok 3 mini
A cost-efficient Grok 3 beta reasoning tier optimized for mathematics, coding and other STEM tasks through reinforcement-learned test-time compute.
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Why this model scores 69.7
The mini tier trails flagship world knowledge but demonstrates strong reasoning and coding with cost-efficient inference. Test-time reasoning raises autonomy, while early hosted rollout constrains deployment and control difficulty compared with open or fully general-availability systems.
News tied to Grok 3 mini
The model score of 69.7 rates this model's risk profile. The overall Doom Index of 66.8 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
- +0.19
- Grok 3 mini equal share
- +0.10
Model score history
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R4
Doom Score 69.7
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 69.7
Exact-version evidence chronology replayed after run doombench-hourly-news-20260812-142416 under temporal-monthly-pressure-v4.
12 Aug 2026 -
R2
Doom Score 70.1
Exact-version evidence chronology replayed after run doombench-hourly-news-20260812-132112 under fixed-sensitivity-v3.
12 Aug 2026 -
R1
Doom Score 71.2
Initial exact profile for the separately named February 2025 Grok 3 mini beta tier.
12 Aug 2026