name = "GPT-5.4 mini"
description = "Strong small GPT for coding subagents, quick tool use, and high-volume work"
family = "gpt-mini"
release_date = "2026-03-17"
last_updated = "2026-03-17"
attachment = true
reasoning = true
reasoning_options = [{ type = "effort", values = ["none", "low", "medium", "high", "xhigh"] }]
temperature = false
knowledge = "2025-08-31"
tool_call = true
structured_output = true
open_weights = false

[cost]
input = 0.75
output = 4.50
cache_read = 0.075

[limit]
context = 400_000
input = 272_000
output = 128_000

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

[experimental.modes.fast]
cost = { input = 1.50, output = 9.00, cache_read = 0.15 }
provider = { body = { service_tier = "priority" } }