Compare, 2 models

Side by side.

GPT-5.4 and Grok 4.5 on every board at least two of them share. Blue marks the best in each row.

Add a model

Specs

List prices, context and published output speed. Blue marks the best in each row.

Specs for GPT-5.4 and Grok 4.5
Spec	GPT-5.4OpenAI	Grok 4.5SpaceXAI
Lab	OpenAI	SpaceXAI
Type	Language	Language
Released	Mar 5, 2026	Jul 8, 2026
Input price$ per 1M tokens	$2.50	$2.00
Output price$ per 1M tokens	$15.00	$6.00
Blended price3 input tokens per output	$5.63	$3.00
Open weights	No	No

Every board where at least two of these models have a published score. Each score links to its source.

Benchmark scores for GPT-5.4 and Grok 4.5
Board	GPT-5.4OpenAI	Grok 4.5SpaceXAI
Artificial Analysis Intelligence IndexOverall, higher is better	39Xhigh	39High
Artificial Analysis Coding IndexCoding and agents, higher is better	71	72

n/a means the board has not published a score for that model.