Compare AI Models
Comparing the specifications and intelligence benchmarks for OpenAI: GPT-5.1, OpenAI: GPT-5.4.
Model
Intelligence
MMLU Pro
Context
GPQA
TTFT (s)
Speed (T/s)
Input Price (1M)
Output Price (1M)
OpenAI: GPT-5.1
openai
47.7
87.0%
400K
87.3%
26.86
85
$1.25
$10.00
OpenAI: GPT-5.4
New
openai
57.0
-
1050K
92.0%
179.20
77
$2.50
$15.00