Comprehensive side-by-side LLM comparison
. Both models have their strengths depending on your specific coding needs.
xAI
Grok Code Fast was developed as a specialized coding model optimized for speed, designed to provide rapid code completion, generation, and assistance. Built to serve developers requiring quick feedback and iterative coding support, it combines programming expertise with low-latency responses.
Microsoft
Phi-3.5 MoE was created using a mixture-of-experts architecture, designed to provide enhanced capabilities while maintaining efficiency through sparse activation. Built to combine the benefits of larger models with practical computational requirements, it represents Microsoft's exploration of efficient scaling techniques.
1 year newer

Phi-3.5-MoE-instruct
Microsoft
2024-08-23

Grok Code Fast 1
xAI
2025-08-28
Context window and performance specifications
Available providers and their performance metrics

Grok Code Fast 1
xAI

Phi-3.5-MoE-instruct

Grok Code Fast 1

Phi-3.5-MoE-instruct

Grok Code Fast 1

Phi-3.5-MoE-instruct