name = "GPT-5.5 Pro"
description = "Frontier GPT model for professional reasoning, coding, and multimodal work"
family = "gpt-pro"
release_date = "2026-04-24"
last_updated = "2026-04-24"
attachment = true
reasoning = true
reasoning_options = [{ type = "effort", values = ["medium", "high", "xhigh"] }]
temperature = false
knowledge = "2025-12-01"
tool_call = true
structured_output = false
open_weights = false

[cost]
input = 30.00
output = 180.00
cache_read = 30.00

[limit]
context = 1_050_000
input = 922_000
output = 128_000

[modalities]
input = ["text", "image", "pdf"]
output = ["text"]

[provider]
npm = "@ai-sdk/openai"