Compare AI models

Specifications
Context window
500k
API pricing
Input price
$2.00
Output price
$6.00
Cached input price
$0.50
Cheapest input
$1.60xAI
Cheapest output
$4.80xAI

These models have no shared benchmark scores.

Overview
CompanyAnthropicSpaceXAI
Release dateMay 22 2025Sep 21 2026
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

Claude Opus 4 and Grok 4.7 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Only Grok 4.7 has a verified first-party API price: $2.00 per million input tokens and $6.00 per million output tokens. No pay-as-you-go API rate is tracked for Claude Opus 4. Claude Opus 4 shipped 487 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.

Direct benchmark comparisons are unavailable — Claude Opus 4 and Grok 4.7 don't publish scores on any of the same benchmarks.