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GPT-5.5

OpenAI · OpenAI · Enterprise

Approved GA

OpenAI's newest frontier reasoning model for the most complex coding and professional work, with text and image input and configurable reasoning effort.

Context window

1M

Max output

128,000

Latency

High

Cost / 1K tokens

$0.005

Available on

Platform	Model ID	Cost / 1K	Approval
OpenAI Primary	gpt-5-5	$0.005	Approved

Modalities

Text Image Multimodal Code

Common use cases

Complex coding Agentic workflows Professional reasoning Long-context analysis