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GPT-5.5

#73

OpenAI

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...

openrouter.ai ↗
📖Context1M tokens
🚀Speed-
💵Input price$5.00/1M
💸Output price$30.00/1M

Made by

🏢
Openai Community
HuggingFace: 5 models · 19.5M downloads
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API Providers

OpenRouter
Input
$5.00/1M
Output
$30.00/1M
→

Details

Provider
OpenAI
Parameters
-
Context
1M tokens
Speed
-
Open Source
No
License
Proprietary
Released
Apr 2026

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