Comprehensive side-by-side LLM comparison
Grok-3 leads with 14.2% higher average benchmark score. Grok-3 supports multimodal inputs. Overall, Grok-3 is the stronger choice for coding tasks.
xAI
Grok 3 was introduced as xAI's third-generation flagship model, designed to push the boundaries of reasoning, factual accuracy, and helpful assistance. Built to advance the state of AI capabilities, it incorporates improvements across language understanding, generation, and analytical thinking.
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

Grok-3
xAI
2025-02-17

Llama 3.1 Nemotron Ultra 253B v1
NVIDIA
2025-04-07
Context window and performance specifications
Average performance across 3 common benchmarks

Grok-3

Llama 3.1 Nemotron Ultra 253B v1
Llama 3.1 Nemotron Ultra 253B v1
2023-12-01
Grok-3
2024-11-17
Available providers and their performance metrics

Grok-3
xAI

Llama 3.1 Nemotron Ultra 253B v1

Grok-3

Llama 3.1 Nemotron Ultra 253B v1

Grok-3

Llama 3.1 Nemotron Ultra 253B v1