Compare AI Models
Comparing the specifications and intelligence benchmarks for OpenAI: GPT-5.2-Codex, OpenAI: GPT-5.4.
Model
Intelligence
MMLU Pro
Context
GPQA
TTFT (s)
Speed (T/s)
Input Price (1M)
Output Price (1M)
OpenAI: GPT-5.2-Codex
openai
49.0
-
400K
89.9%
9.85
69
$1.75
$14.00
OpenAI: GPT-5.4
New
openai
57.0
-
1050K
92.0%
179.20
77
$2.50
$15.00
OpenAI: GPT-5.2-Codex vs OpenAI: GPT-5.4 Comparison 2026: Pricing & Benchmarks