GPT-5.4 mini vs Grok 4: pricing, specs & reviews compared

Side-by-side comparison of GPT-5.4 mini (openai) and Grok 4 (xai) — pricing per million tokens, context length, licensing, benchmarks and community reviews on Reviuws.

SpecGPT-5.4 miniGrok 4
Provideropenaixai
Licenseclosedclosed
Parameters
Context200k256k
Input price / M tok$0.25$3
Output price / M tok$1$12
Rating0.0 (0)0.0 (0)