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.
Mistral AI
Mistral Small was created as an efficient model offering, designed to provide capable language understanding with reduced computational requirements. Built to serve cost-sensitive applications while maintaining quality, it enables Mistral's technology in scenarios where resource efficiency is valued.
9 months newer

Mistral Small
Mistral AI
2024-09-17

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

Grok-4 Heavy

Mistral Small
Mistral AI

Grok-4 Heavy

Mistral Small

Grok-4 Heavy

Mistral Small