name = "Agentic Chat (GPT-5.5)"
description = "Chat-tuned GPT model for conversational assistance, writing, and tool workflows"
family = "gpt"
release_date = "2026-04-23"
last_updated = "2026-04-23"
knowledge = "2025-08-31"
attachment = true
reasoning = true
reasoning_options = []
temperature = false
tool_call = true
structured_output = true
open_weights = false

[cost]
input = 0
output = 0

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

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