Compare AI models

Specifications
Context window
1.05M—
API pricing
Input price
$2.00$2.00
Output price
$10.00$6.00
Cached input price
$0.20$0.30
Cheapest input
$1.00OpenAI$2.00xAI
Cheapest output
$5.00OpenAI$6.00xAI
Benchmarks
BullshitBench v2
59%55%
DeepSWE 1.1
68.8%54%
Next.js Evals
97%65%
Overview
CompanyOpenAISpaceXAI
Release dateSep 22 2026Jul 8 2026
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

GPT-6 Sol leads Grok 4.5 on 3 of the 3 benchmarks they both report (BullshitBench v2, DeepSWE 1.1, Next.js Evals). Both charge $2.00 per million input tokens. Grok 4.5 is cheaper on output: $6.00 vs $10.00 per million tokens. Figures are base-tier rates. Grok 4.5 shipped 76 days before GPT-6 Sol, 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 BullshitBench v2, GPT-6 Sol leads at 59% vs Grok 4.5 at 55%. On DeepSWE 1.1, GPT-6 Sol leads at 68.8% vs Grok 4.5 at 54%. On Next.js Evals, GPT-6 Sol leads at 97% vs Grok 4.5 at 65%.