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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

Reasoning output Reasoning Reasoning effort JSON output Structured outputs Tool choice Tool use Knowledge cutoff 2025-12-01

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.

Related news

07-19OpenAI Launches GPT-Live Full-Duplex Voice Models in ChatGPT (July 8, 2026)

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