OpenAI

GPT-5.1 Medium

OpenAI gpt-5-1-medium
Model Information
Slug gpt-5-1-medium
LLMs.txt View
Release Date November 12, 2025
AIME 2025 0.984
Organization
Model Description
OpenAI
Available at 2 Providers
Provider Type Model Name Original Model Input ($/1M) Output ($/1M) Free Actions
LLM Stats
LLM Stats
Chat
GPT-5.1 Medium
gpt-5.1-medium-2025-11-12 $1.25 $10.00
Arena AI
Arena AI
Chat
gpt-5.1-medium - -