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OpenAI

GPT-5.5

openai/gpt-5.5

chatvisionreasoninglong-contextagentictoolsflagship

Input price

3767.7 RODI/M

~ 5 USD/M

Output price

22606.1 RODI/M

~ 30 USD/M

Context

1.1M

Max output

128K

Input:textimage
Output:text

Providers & pricing

ProviderInputOutputFree tier
AWS

AWS

Default

3767.7 RODI/M~5.00 USD/M22606.1 RODI/M—
Azure

Azure

3767.7 RODI/M~5.00 USD/M22606.1 RODI/M—
OpenAI

OpenAI

3767.7 RODI/M~5.00 USD/M22606.1 RODI/M—

Pricing

RateRODIUSD (ref.)Unit
In3767.7~ 5.00USD/M · RODI/M
Out22606.1~ 30.00USD/M · RODI/M
Cached376.8~ 0.500USD/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

GPT-5.5 is OpenAI's model for complex professional work: advanced coding, research, analysis, software operation, document workflows, and long-running agentic tasks. Text and image input, text output, 1,050,000-token context, streamed responses, and function calling.

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 — Models