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GPT-5.5 pro

OpenAI · OpenAI · Enterprise

Approved GA

Highest-compute variant of GPT-5.5 that thinks harder to deliver consistently better answers on the hardest professional tasks.

Context window
1M
Max output
128,000
Latency
High
Cost / 1K tokens
$0.03

Available on

Platform Model ID Cost / 1K Approval
OpenAI Primary gpt-5-5-pro $0.03 Approved

Modalities

Text Image Multimodal Code

Common use cases

Hardest reasoning tasks High-stakes analysis Research-grade coding Expert problem solving

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