GPT-5.5

Available

GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...

Context
1.1M tokens
Max output
128K tokens
Input / 1M tokens
$5.00per 1M tokens
Output / 1M tokens
$30.00per 1M tokens
Listed since
Apr 24, 2026

Prices and model data from OpenRouter

Where it's availableProviders · 1

ProviderInput / 1M tokensOutput / 1M tokensStatus
OpenRouter$5.00$30.00Available

Published benchmark results

From independent leaderboards, each credited to its publisher.