Comprehensive side-by-side LLM comparison
Grok-4 Heavy supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
Mistral AI
Devstral Small was developed as a more efficient development-focused model, designed to bring software engineering assistance to resource-conscious deployments. Built to provide coding capabilities with reduced computational requirements, it enables developer tools in environments where efficiency is paramount.
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.
2 days newer

Grok-4 Heavy
xAI
2025-07-09

Devstral Small 1.1
Mistral AI
2025-07-11
Context window and performance specifications
Grok-4 Heavy
2024-12-31
Available providers and their performance metrics

Devstral Small 1.1
Mistral AI

Grok-4 Heavy

Devstral Small 1.1

Grok-4 Heavy

Devstral Small 1.1

Grok-4 Heavy