GPT 5.1
gpt-5.1
GPT-5.1 is a next-generation large language model that delivers high-fidelity understanding, richer context handling, improved instruction fidelity and deeper reasoning.
GPT-5.1 is a next-generation large language model that delivers high-fidelity understanding, richer context handling, improved instruction fidelity and deeper reasoning.
Reasoning
Higher
Speed
Medium
Price
$1.00 âĸ $8.00
Input âĸ Output
Cache Price
$1.00 âĸ $1.00
Read âĸ Write
Input
Text, Image
Output
Text
Specifications
Context Window
400K
Max Output Tokens
100K
Reasoning Token Support
â
Modalities
Text
Input and output
Image
Input only
Audio
Not supported
Video
Not supported