About
GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
Related Models
Pricing
Input
$1.75
per 1M tokens
Output
$14.00
per 1M tokens
Blended
$4.81
per 1M tokens
Cheaper than 11% of models. Median price is $0.54/1M tokens.
Cost Calculator
Tokens per day1M
100K100M
Daily
$4.81
Monthly
$144.38
vs. Similar Models
MiMo-V2.5Q:0.0
$0.17-96%
Z.ai: GLM 5.1Q:+0.1
$1.50-69%
OpenAI: GPT-5.4 MiniQ:-0.1
$1.69-65%
Qwen3.6 Max PreviewQ:-0.1
$2.92-39%
Performance
136
tokens/sec
Faster than 67% of models
1.46
seconds
Faster than 34% of models
1.46
seconds
Faster than 57% of models
Market Median
94 tok/s
45% faster
Median TTFT
1.11s
31% slower
Throughput/Dollar
28
tok/s per $/1M
Speed Comparison
Qwen3 1.7B (Reasoning)
138 tok/s+1%
Z.ai: GLM 5.2
135 tok/s-1%
Qwen3 VL 8B (Reasoning)
135 tok/s-1%
Context Window
400K
tokens
Larger than 76% of models
Max Output
128K
tokens
32% of context
Benchmarks
MMLU-ProNot evaluated
GPQA Diamond
89.9%
HLE
33.5%
LiveCodeBenchNot evaluated
SciCode
54.6%
TerminalBench Hard
37.1%
MATH-500Not evaluated
AIMENot evaluated
AIME 2025Not evaluated
IFBench
77.6%
Long Context Recall
75.7%
Tau2
92.1%
Market AverageTop Score