Comprehensive side-by-side LLM comparison
Grok Code Fast 1 offers 10.0K more tokens in context window than Phi-3.5-mini-instruct. Phi-3.5-mini-instruct is $1.50 cheaper per million tokens. 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 Mini was developed by Microsoft as a small language model designed to deliver impressive performance despite its compact size. Built with efficiency in mind, it demonstrates that capable language understanding and generation can be achieved with fewer parameters, making AI more accessible for edge and resource-constrained deployments.
1 year newer

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

Grok Code Fast 1
xAI
2025-08-28
Cost per million tokens (USD)

Grok Code Fast 1

Phi-3.5-mini-instruct
Context window and performance specifications
Available providers and their performance metrics

Grok Code Fast 1
xAI

Phi-3.5-mini-instruct

Grok Code Fast 1

Phi-3.5-mini-instruct

Grok Code Fast 1

Phi-3.5-mini-instruct
Azure