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Comparison

GPT 5 Codex vs GPT 5

Side-by-side comparison of OpenAI GPT 5 Codex and OpenAI GPT 5. Pricing, quality benchmarks, and context windows.

Quality Benchmarks

LiveBench / 0-100

Coding92 / 92Math92 / 92Reasoning92 / 92Language92 / 92

GPT 5 Codex

92.1Frontier

GPT 5

92.1Frontier

GPT 5 Codex
GPT 5

Input Price (per 1M)

$1.25
$1.25

Output Price (per 1M)

$10.00
$10.00

Context Window

400K
400K

Max Output

128K
128K

OpenAI

GPT 5 Codex

vs

OpenAI

GPT 5

Pricing per 1M Tokens

$1.25

Input

Input

$1.25

Input

$10.00

Output

Output

$10.00

Output

Token Limits

Context

400K

Context

Context

400K

Max Output

128K

Max Output

Max Output

128K

VisionTools
VisionTools

GPT 5 Codex Details

$1.25 in / $10.00 out

GPT 5 Details

$1.25 in / $10.00 out

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More Comparisons

Top OpenAI pick

GPT 5 vs GPT 5

$1.25/M in · Score 92.1

Top OpenAI pick

GPT 5 Codex vs GPT 5 Codex

$1.25/M in · Score 92.1

OpenAI

GPT 5 Image vs GPT 5$10.00/MGPT 5 Chat vs GPT 5$1.25/MGPT 5.4 vs GPT 5$2.50/MGPT 4.1 vs GPT 5$2.00/M

OpenAI

GPT 5 Codex vs GPT 5 Image$10.00/MGPT 5 Codex vs GPT 5 Chat$1.25/MGPT 5 Codex vs GPT 5.4$2.50/MGPT 5 Codex vs GPT 4.1$2.00/M

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