Comparison
O4 Mini High vs GPT 5 Chat
Side-by-side comparison of OpenAI O4 Mini High and OpenAI GPT 5 Chat. Pricing, quality benchmarks, and context windows.
Quality Benchmarks
LiveBench / 0-100
O4 Mini High
78.5Frontier
GPT 5 Chat
85.1Frontier
O4 Mini High
GPT 5 Chat
Input Price (per 1M)
$1.10
$1.25
Output Price (per 1M)
$4.40
$10.00
Context Window
200K
128K
Max Output
100K
16.4K
Pricing per 1M Tokens
$1.10
12% cheaper
Input
Input
$1.25
Input
$4.40
56% cheaper
Output
Output
$10.00
Output
Token Limits
Context
200K
Context
Context
128K
Max Output
100K
Max Output
Max Output
16.4K
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