Compare AI models

API pricing
Input price
$30.00$2.00
Output price
$180.00$6.00
Cached input price
—$0.50
Cheapest input
$15.00OpenAI$2.00xAI
Cheapest output
$90.00OpenAI$6.00xAI
Benchmarks
ARC-AGI-2
83.3%67.1%
Overview
CompanyOpenAISpaceXAI
Release dateMar 5 2026Aug 12 2026
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

GPT-5.4-Pro leads Grok 4.6 on 1 of the 1 benchmark they both report (ARC-AGI-2). Grok 4.6 is cheaper on both input and output: $2.00 vs $30.00 per million input tokens, and $6.00 vs $180.00 per million output tokens. Figures are base-tier rates. GPT-5.4-Pro shipped 160 days before Grok 4.6, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

On ARC-AGI-2, GPT-5.4-Pro leads at 83.3% vs Grok 4.6 at 67.1%.