OpenAI
GPT-5 mini
High-volume production traffic
text
image
Hosted API
Input per 1M tokens
$0.250
Output per 1M tokens
$2.00
Context window
400K
Max output
—
Reasoning
8.5/10
Coding
8.4/10
Speed
180 tok/s
Overall
8.7/10
What it costs you a month
Change the numbers to match your workload. Cached input is billed lower where the maker offers it (— per million).
Monthly
$25.50
Yearly
$306
Cheaper option
Grok 4 Fast does the same job for $10.50 a month — saving $15.00.