Comprehensive side-by-side LLM comparison
Grok-4 Heavy leads with 41.7% higher average benchmark score. Llama 3.2 90B Instruct is available on 5 providers. Overall, Grok-4 Heavy is the stronger choice for coding tasks.
xAI
Grok 4 Heavy was created as a larger, more capable variant of Grok 4, designed to provide maximum reasoning depth and analytical capability. Built for the most demanding applications requiring sophisticated problem-solving, it represents xAI's flagship offering in the fourth generation.
Meta
Llama 3.2 90B was developed as a flagship-tier open-source model, designed to provide advanced capabilities with 90 billion parameters. Built to serve applications requiring high-quality reasoning and generation, it represents a powerful option within the Llama 3.2 series for demanding tasks.
9 months newer

Llama 3.2 90B Instruct
Meta
2024-09-25

Grok-4 Heavy
xAI
2025-07-09
Context window and performance specifications
Average performance across 1 common benchmarks

Grok-4 Heavy

Llama 3.2 90B Instruct
Grok-4 Heavy
2024-12-31
Available providers and their performance metrics

Grok-4 Heavy

Llama 3.2 90B Instruct
Bedrock

Grok-4 Heavy

Llama 3.2 90B Instruct

Grok-4 Heavy

Llama 3.2 90B Instruct
DeepInfra
Fireworks
Hyperbolic
Together