name = "GPT-5.2 Chat" description = "Chat-tuned GPT model for conversational assistance, writing, and tool workflows" family = "gpt-codex" release_date = "2025-12-11" last_updated = "2025-12-11" attachment = true reasoning = true reasoning_options = [{ type = "effort", values = ["medium"] }] temperature = false knowledge = "2025-08-31" tool_call = true structured_output = true open_weights = false [cost] input = 1.75 output = 14.00 cache_read = 0.175 [limit] context = 128_000 output = 16_384 [modalities] input = ["text", "image"] output = ["text"]