Back to GPT-5.1

GPT-5.1

Iterative improvement on GPT-5 with enhanced reasoning and tool support.

openrouter/gpt-5.1

STABLEGet Started

Streaming

Vision

Tools

Reasoning

JSON Output

No ratings yetSign in to rate

Select Provider

OpenRouter Pricing for GPT-5.1

View detailed pricing and capabilities for this provider.

S

OpenRouter

Context: 400k

Input

$1.25

/M tokens

Cache Read

$0.125

/M tokens

Output

$10

/M tokens