Head to head

GPT-5 mini vs Grok Build 0.1

On a blended workload of one million input tokens and three million output tokens, GPT-5 mini is 1.1× cheaper than Grok Build 0.1.

GPT-5 miniGrok Build 0.1
Provider OpenAI xAI
Input / MTok $0.25 $1
Output / MTok $2 $2
Cache read / MTok $0.025
Context window 256,000
Blended 1M in + 3M out $6.25 $7.00
Status ga ga

GPT-5 mini detail   Grok Build 0.1 detail