Grok 4.3 vs GPT-5.4 mini: pricing, specs & reviews compared

Side-by-side comparison of Grok 4.3 (xai) and GPT-5.4 mini (openai) — pricing per million tokens, context length, licensing, benchmarks and community reviews on Reviuws.

SpecGrok 4.3GPT-5.4 mini
Providerxaiopenai
Licenseclosedclosed
Parameters
Context1000k400k
Input price / M tok$1.25$0.75
Output price / M tok$2.5$4.5
Rating0.0 (0)0.0 (0)