name = "OpenAI: GPT-5.2 Pro" description = "Frontier GPT model for professional reasoning, coding, and multimodal work" release_date = "2025-12-11" last_updated = "2026-03-15" attachment = true reasoning_options = [{ type = "effort", values = ["medium", "high", "xhigh"] }] reasoning = true temperature = false tool_call = true open_weights = false [cost] input = 21 output = 168 [limit] context = 400000 output = 128000 [modalities] input = ["image", "pdf", "text"] output = ["text"]