OpenAI

GPT-5.5 Instant

OpenAI gpt-5-5-instant
Model Information
Slug gpt-5-5-instant
LLM.txt View
Release Date May 5, 2026 New
AIME 2025 0.812
GPQA 0.856
Organization
Available at 2 Providers
Provider Type Model Name Original Model Input ($/1M) Output ($/1M) Free Actions
Arena AI
Arena AI
Chat
gpt-5.5-instant - -
LLM Stats
LLM Stats
Chat
GPT-5.5 Instant
gpt-5.5-instant - -