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GPT-4.5 vs Llama 3.1 Nemotron Ultra 253B v1
Comprehensive side-by-side LLM comparison
Llama 3.1 Nemotron Ultra 253B v1 leads with 3.9% higher average benchmark score. GPT-4.5 supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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OpenAI
GPT-4.5 was developed as an intermediate advancement between GPT-4 and GPT-5, designed to incorporate incremental improvements in reasoning, factuality, and instruction-following. Built to bridge generational capabilities while maintaining compatibility with existing applications, it represents a refinement of the GPT-4 architecture with enhanced performance characteristics.
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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.
1 month newer
GPT-4.5
OpenAI
2025-02-27
Llama 3.1 Nemotron Ultra 253B v1
NVIDIA
2025-04-07
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Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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GPT-4.5
Average Score:78.8%
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Llama 3.1 Nemotron Ultra 253B v1
Average Score:82.7%(+3.9%)
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Knowledge Cutoff
Training data recency comparison
Llama 3.1 Nemotron Ultra 253B v1
2023-12-01
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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GPT-4.5
1 providers
OpenAI
Throughput: 50 tok/s
Latency: 20ms
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Llama 3.1 Nemotron Ultra 253B v1
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GPT-4.5
Avg Score:78.8%
Providers:1
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Llama 3.1 Nemotron Ultra 253B v1
Avg Score:82.7%(+3.9%)
Providers:0