OpenAI: GPT-5.5 Pro Multimodal

By OpenAI

GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...

OpenRouter rank

#229

0.00% share

Context window

1.1M tokens

Input price

$30.0 / 1M tok

Output price

$180.0 / 1M tok

Modalities

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External ID

openai/gpt-5.5-pro

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