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DeepSeek-V3.1 vs Grok-4 Heavy
Comprehensive side-by-side LLM comparison
Grok-4 Heavy leads with 30.4% higher average benchmark score. Grok-4 Heavy supports multimodal inputs. DeepSeek-V3.1 is available on 2 providers. Overall, Grok-4 Heavy is the stronger choice for coding tasks.
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DeepSeek
DeepSeek-V3.1 was developed as an incremental advancement over DeepSeek-V3, designed to refine the mixture-of-experts architecture with improved training techniques. Built to enhance quality and efficiency while maintaining the open-source philosophy, it represents continued iteration on DeepSeek's flagship model line.
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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.
6 months newer
DeepSeek-V3.1
DeepSeek
2025-01-10
Grok-4 Heavy
xAI
2025-07-09
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Performance Metrics
Context window and performance specifications
Average performance across 4 common benchmarks
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DeepSeek-V3.1
Average Score:49.3%
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Grok-4 Heavy
Average Score:79.6%(+30.4%)
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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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DeepSeek-V3.1
2 providers
DeepInfra
Novita
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Grok-4 Heavy
0 providers
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DeepSeek-V3.1
Avg Score:49.3%
Providers:2
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Grok-4 Heavy
Avg Score:79.6%(+30.4%)
Providers:0