name = "gpt-5.4" description = "Frontier GPT model for professional reasoning, coding, and multimodal work" family = "gpt" release_date = "2026-03-05" last_updated = "2026-03-05" attachment = true reasoning = true reasoning_options = [{ type = "effort", values = ["none", "low", "medium", "high", "xhigh"] }] temperature = false tool_call = true structured_output = true open_weights = false knowledge = "2025-08-31" [cost] input = 2.500 output = 15.000 cache_read = 0.250 cache_write = 0 [[cost.tiers]] tier = { size = 272_000 } input = 5.000 output = 22.500 [limit] context = 1_050_000 input = 922_000 output = 128_000 [modalities] input = ["text", "image", "pdf"] output = ["text"]