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Comparison

GPT 5.2 Codex vs GPT 5.1 Codex Max

Side-by-side comparison of OpenAI GPT 5.2 Codex and OpenAI GPT 5.1 Codex Max. Pricing, quality benchmarks, and context windows.

Quality Benchmarks

LiveBench / 0-100

Coding61 / 46Math93 / 56Reasoning88 / 39Language68 / 30

GPT 5.2 Codex

77.8Frontier

GPT 5.1 Codex Max

42.7Good

GPT 5.2 Codex
GPT 5.1 Codex Max

Input Price (per 1M)

$1.75
$1.25
29% less

Output Price (per 1M)

$14.00
$10.00
29% less

Context Window

400K
400K

Max Output

128K
128K

OpenAI

GPT 5.2 Codex

vs

OpenAI

GPT 5.1 Codex Max

Pricing per 1M Tokens

$1.75

Input

Input

$1.25

29% cheaper

Input

$14.00

Output

Output

$10.00

29% cheaper

Output

Token Limits

Context

400K

Context

Context

400K

Max Output

128K

Max Output

Max Output

128K

VisionTools
VisionTools

GPT 5.2 Codex Details

$1.75 in / $14.00 out

GPT 5.1 Codex Max Details

$1.25 in / $10.00 out

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