Compare AI models

Specifications
Context window
—500k
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
Next.js Evals
65%94%
Overview
CompanyOpenAISpaceXAI
Release dateApr 23 2026Sep 21 2026
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

Grok 4.7 leads GPT-5.5-Pro on 1 of the 1 benchmark they both report (Next.js Evals). Grok 4.7 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-5.5-Pro shipped 151 days before Grok 4.7, 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 Next.js Evals, Grok 4.7 leads at 94% vs GPT-5.5-Pro at 65%.