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GPT-5.2 (medium)

OpenAI

ReasoningVision ModelProprietary

Analysis of OpenAI's GPT-5.2 (medium) and comparison to other AI models across key metrics including quality, price, performance (tokens per second & time to first token), context window & more.

Context

Release Date
Dec 11, 2025
Knowledge Cutoff
Aug 31, 2025
Window
400k

PricingPer 1M tokens

Input
$1.75
Output
$14
Blended 3:1
$4.8125

Capabilities

Input
Output
Reasoning tokens

Benchmarks

Reasoning
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Math
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Coding
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MMLU Pro
85.9%
GPQA
86.4%
HLE
24.9%
SciCode
46.2%
AIME
96.7%
LiveCodeBench
89.4%

Analysis of OpenAI's GPT-5.2 (medium) and comparison to other AI models across key metrics including quality, price, performance (tokens per second & time to first token), context window & more.