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OpenAI

GPT-5.5 Pro

openai/gpt-5.5-pro

visionchatlong-context

Input price

22606.1 RODI/M

~ 30 USD/M

Output price

135636.1 RODI/M

~ 180 USD/M

Context

1.1M

Max output

128K

Input:textimagedocument
Output:text

Providers & pricing

ProviderInputOutputFree tier
Azure

Azure

Default

22606.1 RODI/M~30.00 USD/M135636.1 RODI/M—
OpenAI

OpenAI

22606.1 RODI/M~30.00 USD/M135636.1 RODI/M—

Pricing

RateRODIUSD (ref.)Unit
In22606.1~ 30.00USD/M · RODI/M
Out135636.1~ 180.00USD/M · RODI/M

RODI prices include RodiumAi markup and upstream fees. USD figures are wholesale reference rates.

Capabilities

Streaming
Tool calling
Vision
JSON mode
Reasoning

About this model

Maximum capability variant of GPT-5.5 for research-grade and highest-stakes tasks. No cached-input discount available. Data residency endpoints incur a 10% price uplift.

API usage

Use the canonical slug with client.chat() or chat.completions.create().

RodiumAi SDK

Official Python, JavaScript, and Laravel SDKs — flat API aligned with this model slug.

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Compatible SDKs (OpenAI / Anthropic packages)

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GPT-5.5 Pro — Models