gpt-5.5

Common Name: GPT-5.5

Released on Apr 24 12:00 AMSupportedTool InvocationSupportedReasoning

GPT-5.5 is OpenAI's latest frontier model, designed for stronger agentic execution, coding, tool use, and long-context task completion.

Specifications

Context

1050K

Maximum Output

128K

Inputtext, image

Outputtext

Performance (7-day Average)

Collecting…

Pricing

< 272K

Input$5.50/MTokens

Cached Input$0.55/MTokens

Output$33.00/MTokens

272K+

Input$11.00/MTokens

Cached Input$1.10/MTokens

Output$49.50/MTokens

Availability Trend (24h)

Performance Metrics (24h)

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