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.
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Why it moved the index
The release materially advanced reasoning, coding and test-time compute while beginning deployment to users. Grok 3 Think and mini Think are treated as reasoning modes of the two named models, not invented additional immutable checkpoints.
Assessment history
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R1
Toward 67 · confidence 96
New February 2025 release of two exact model tiers with no durable identity collision.
12 Aug 2026
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DoomBench assesses “SpaceXAI unveils Grok 3 and Grok 3 mini reasoning models” as evidence moving toward doom, with magnitude 67 and confidence 96 out of 100 in the capability gains category.
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The DoomBench assessment of “SpaceXAI unveils Grok 3 and Grok 3 mini reasoning models” is based on reporting from SpaceXAI and records the editorial rationale, source quality, attribution, and revision history.
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DoomBench summarizes “SpaceXAI unveils Grok 3 and Grok 3 mini reasoning models” as follows: SpaceXAI unveiled Grok 3 and Grok 3 mini, beta reasoning models trained with large-scale reinforcement learning and ten times the compute of its...
https://www.doombench.com/news/spacexai-unveils-grok-3-and-grok-3-mini-reasoning-models-2025-02-19