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-4 Mini was created as an even more compact variant of Phi-4, designed to bring fourth-generation capabilities to the smallest possible footprint. Built for extreme efficiency scenarios, it enables AI capabilities on devices and applications where resources are severely constrained.
6 months newer

Phi 4 Mini
Microsoft
2025-02-01

Grok Code Fast 1
xAI
2025-08-28
Context window and performance specifications
Phi 4 Mini
2024-06-01
Available providers and their performance metrics

Grok Code Fast 1
xAI

Phi 4 Mini

Grok Code Fast 1

Phi 4 Mini

Grok Code Fast 1

Phi 4 Mini