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Grok-4 Heavy vs o1-mini
Comprehensive side-by-side LLM comparison
Grok-4 Heavy leads with 28.4% higher average benchmark score. Grok-4 Heavy supports multimodal inputs. o1-mini is available on 2 providers. Overall, Grok-4 Heavy is the stronger choice for coding tasks.
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xAI
Grok 4 Heavy was created as a larger, more capable variant of Grok 4, designed to provide maximum reasoning depth and analytical capability. Built for the most demanding applications requiring sophisticated problem-solving, it represents xAI's flagship offering in the fourth generation.
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OpenAI
o1-mini was created as a faster, more cost-effective reasoning model, designed to bring extended thinking capabilities to applications with tighter latency and budget constraints. Built to excel particularly in coding and STEM reasoning while maintaining affordability, it provides a more accessible entry point to reasoning-enhanced AI assistance.
10 months newer
o1-mini
OpenAI
2024-09-12
Grok-4 Heavy
xAI
2025-07-09
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Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Grok-4 Heavy
Average Score:88.4%(+28.4%)
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o1-mini
Average Score:60.0%
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Knowledge Cutoff
Training data recency comparison
Grok-4 Heavy
2024-12-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Grok-4 Heavy
0 providers
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o1-mini
2 providers
Azure
Throughput:
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Grok-4 Heavy
Avg Score:88.4%(+28.4%)
Providers:0
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o1-mini
Avg Score:60.0%
Providers:2