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GPT-5.5
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OpenAIOpenAIGPT Moderated

GPT-5.5

1.1M context$5.00/M input$30.00/M output

GPT-5.5 is an AI model from OpenAI built for agent workflows, with support for file, image, text input and text output. 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...

What is GPT-5.5?

GPT-5.5 is an AI model from OpenAI that Agent Mag tracks for pricing, context window, modalities, benchmarks, and API compatibility. Builders can use this page to compare GPT-5.5 against other models for agent workflows and production deployments.

Model ID

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...

Modalities
Input
fileimagetext
Output
text
Supported Parameters
include_reasoningmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetools

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