Compare AI Models
Comparing the specifications and intelligence benchmarks for OpenAI: GPT-5.3-Codex, OpenAI: GPT-5.4.
Model
Intelligence
MMLU Pro
Context
GPQA
TTFT (s)
Speed (T/s)
Input Price (1M)
Output Price (1M)
OpenAI: GPT-5.3-Codex
New
openai
54.0
-
400K
91.5%
73.81
65
$1.75
$14.00
OpenAI: GPT-5.4
New
openai
57.0
-
1050K
92.0%
179.20
77
$2.50
$15.00