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Llama 3.1 Nemotron Ultra 253B v1 vs o3
Comprehensive side-by-side LLM comparison
o3 leads with 10.6% higher average benchmark score. o3 supports multimodal inputs. Overall, o3 is the stronger choice for coding tasks.
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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.
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OpenAI
o3 represents the next generation in OpenAI's reasoning model series, developed to advance the capabilities of deliberate, step-by-step problem solving. Built to handle increasingly complex challenges across mathematics, science, and coding, it continues the evolution of reasoning-focused AI with improved analytical depth and accuracy.
9 days newer
Llama 3.1 Nemotron Ultra 253B v1
NVIDIA
2025-04-07
o3
OpenAI
2025-04-16
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Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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Llama 3.1 Nemotron Ultra 253B v1
Average Score:74.3%
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o3
Average Score:84.9%(+10.6%)
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Knowledge Cutoff
Training data recency comparison
Llama 3.1 Nemotron Ultra 253B v1
2023-12-01
o3
2024-05-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Llama 3.1 Nemotron Ultra 253B v1
0 providers
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o3
1 providers
OpenAI
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Llama 3.1 Nemotron Ultra 253B v1
Avg Score:74.3%
Providers:0
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o3
Avg Score:84.9%(+10.6%)
Providers:1