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GPT-5 Codex vs Llama 3.1 Nemotron Ultra 253B v1
Comprehensive side-by-side LLM comparison
Llama 3.1 Nemotron Ultra 253B v1 leads with 57.3% higher average benchmark score. Overall, Llama 3.1 Nemotron Ultra 253B v1 is the stronger choice for coding tasks.
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OpenAI
GPT-5 Codex is a language model developed by OpenAI. It achieves strong performance with an average score of 74.5% across 1 benchmarks. Notable strengths include SWE-Bench Verified (74.5%). Released in 2025, it represents OpenAI's latest advancement in AI technology.
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NVIDIA
Llama 3.1 Nemotron Ultra 253B v1 is a language model developed by NVIDIA. It achieves strong performance with an average score of 79.2% across 6 benchmarks. It excels particularly in MATH-500 (97.0%), IFEval (89.5%), GPQA (76.0%). Released in 2025, it represents NVIDIA's latest advancement in AI technology.
5 months newer
Llama 3.1 Nemotron Ultra 253B v1
NVIDIA
2025-04-07
GPT-5 Codex
OpenAI
2025-09-15
Average performance across 7 common benchmarks
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GPT-5 Codex
Average Score:10.6%
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Llama 3.1 Nemotron Ultra 253B v1
Average Score:67.9%(+57.3%)
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Knowledge Cutoff
Training data recency comparison
Llama 3.1 Nemotron Ultra 253B v1
2023-12-01
GPT-5 Codex
2024-09-30
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-5 Codex
0 providers
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Llama 3.1 Nemotron Ultra 253B v1
0 providers
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GPT-5 Codex
Avg Score:10.6%
Providers:0
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Llama 3.1 Nemotron Ultra 253B v1
Avg Score:67.9%(+57.3%)
Providers:0