#17
GPT-5 Mini
gpt-5-mini

GPT-5 Mini is a faster, cost-efficient version of GPT-5 designed for well-defined tasks requiring moderate reasoning. Positioned between GPT-5 Nano and the full GPT-5, it offers a compelling balance of capability and efficiency with stronger comprehension and instruction following than Nano while maintaining excellent speed. Its expanded reasoning tokens support more complex multi-step workflows, making it suitable for production applications that need reliable performance without the cost of the flagship model.

Performance Metrics

Helpfulness
Instruction Following
Comprehension
Empathy
Creative Writing
85.80
Helpfulness
86
Empathy
83
Instruction Following
91
Creative Writing
81
Comprehension
88
Speed
Avg 94 tok/s

Model Specifications

Release Date
December 2025
Lab
OpenAI
Type
Proprietary
Context Size
400K
Max Output Tokens
128K
Cost per 1M tokens
$0.25 / $2.00
Model Inputs
Text, Images, Audio
Model Outputs
Text
Tool Calling
Enabled

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