Comprehensive side-by-side LLM comparison
o1-pro leads with 3.0% higher average benchmark score. o1-pro supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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.
OpenAI
o1-pro was developed as an enhanced version of the o1 reasoning model, designed to provide extended reasoning capabilities with greater depth and reliability. Built for professionals and advanced users tackling complex analytical tasks, it offers enhanced thinking time and reasoning quality for the most demanding applications.
3 months newer

o1-pro
OpenAI
2024-12-17

Llama 3.1 Nemotron Ultra 253B v1
NVIDIA
2025-04-07
Average performance across 1 common benchmarks

Llama 3.1 Nemotron Ultra 253B v1

o1-pro
o1-pro
2023-09-30
Llama 3.1 Nemotron Ultra 253B v1
2023-12-01
Available providers and their performance metrics

Llama 3.1 Nemotron Ultra 253B v1

o1-pro

Llama 3.1 Nemotron Ultra 253B v1

o1-pro