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Grok-4 vs Llama 3.1 Nemotron Ultra 253B v1
Comprehensive side-by-side LLM comparison
Grok-4 leads with 14.5% higher average benchmark score. Grok-4 supports multimodal inputs. Grok-4 is available on 2 providers. Overall, Grok-4 is the stronger choice for coding tasks.
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xAI
Grok 4 represents the fourth generation of xAI's language models, developed to continue advancing the frontier of AI reasoning and knowledge. Built to handle increasingly complex tasks with enhanced reliability, it demonstrates xAI's commitment to pushing AI capabilities forward.
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NVIDIA
Llama 3.1 Nemotron Ultra 253B was developed as NVIDIA's largest Nemotron variant, designed to provide maximum capability through extensive customization of large-scale foundations. Built with 253 billion parameters and NVIDIA's specialized training, it represents the flagship offering in the Nemotron family.
3 months newer
Llama 3.1 Nemotron Ultra 253B v1
NVIDIA
2025-04-07
Grok-4
xAI
2025-07-09
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Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
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Grok-4
Average Score:86.1%(+14.5%)
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Llama 3.1 Nemotron Ultra 253B v1
Average Score:71.6%
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Knowledge Cutoff
Training data recency comparison
Llama 3.1 Nemotron Ultra 253B v1
2023-12-01
Grok-4
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
2 providers
xAI
Throughput: 100 tok/s
Latency: 0.7ms
ZeroEval
Throughput: 100 tok/s
Latency: 0.7ms
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Grok-4
Avg Score:86.1%(+14.5%)
Providers:2
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Llama 3.1 Nemotron Ultra 253B v1
Avg Score:71.6%
Providers:0