Comprehensive side-by-side LLM comparison
GPT-5 mini offers 262.0K more tokens in context window than Grok Code Fast 1. Grok Code Fast 1 is $0.55 cheaper per million tokens. GPT-5 mini supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
OpenAI
GPT-5 Mini was created as a more accessible version of GPT-5, designed to provide strong capabilities with improved efficiency and lower operational costs. Built to extend GPT-5's advancements to a broader range of applications, it balances advanced performance with practical deployment considerations.
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.
21 days newer

GPT-5 mini
OpenAI
2025-08-07

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

GPT-5 mini

Grok Code Fast 1
Context window and performance specifications
GPT-5 mini
2024-05-30
Available providers and their performance metrics

GPT-5 mini
OpenAI
ZeroEval


GPT-5 mini

Grok Code Fast 1

GPT-5 mini

Grok Code Fast 1
Grok Code Fast 1
xAI