GPT-5.4 Mini
OpenAI
openai/gpt-5.4-miniGPT-5.4 Mini is the smaller, cheaper counterpart to GPT-5.4, suited to everyday chat, lightweight coding, and agentic tasks where speed and cost outweigh maximum reasoning depth.
Cost rate
0.9x
Context
400K
Released
Mar 17, 2026
Input
FileImageText
Output
Text
Support
ReasoningTool callingStructured outputs
Best at
The categories where this model ranks highest.
Image understanding
#37 · top 25%
Business, Management, & Finance
#51 · top 13%
Mathematical
#63 · top 17%
Software & IT Services
#67 · top 17%