GPT-5.5
Rank #31
openai
openai/gpt-5.5-20260423
Usage data date 2026-07-26 · updated daily
Usage and specs
Daily rank#31
Daily tokens322.4B
Daily requests11.6M
Daily change
−51.0%
Context window1.1M
Released
What is GPT-5.5
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 window (922K input, 128K output) with support for text and image inputs, enabling large-scale reasoning, coding, and multimodal workflows within a single system.
GPT-5.5 capabilities
Input: File、Image、Text Output: Text
GPT-5.5 API pricing
Input · per 1M tokens$5.00
Output · per 1M tokens$30.00
List prices in USD; see each provider’s site for current terms.