Comprehensive side-by-side LLM comparison
Grok-4 Heavy supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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.
IBM
Granite 4.0 Tiny Preview was introduced as an experimental ultra-compact model, designed to demonstrate IBM's progress in efficient model development. Built to explore the boundaries of what small models can achieve for enterprise applications, it represents an early look at next-generation Granite capabilities.
2 months newer

IBM Granite 4.0 Tiny Preview
IBM
2025-05-02

Grok-4 Heavy
xAI
2025-07-09
Grok-4 Heavy
2024-12-31
Available providers and their performance metrics

Grok-4 Heavy

IBM Granite 4.0 Tiny Preview

Grok-4 Heavy

IBM Granite 4.0 Tiny Preview