Models PLUS

name = "GPT-5.1 Chat" release_date = "2025-11-13" last_updated = "2025-11-13" attachment = true reasoning = true temperature = true knowledge = "2024-09-30" tool_call = true structured_output = true open_weights = false [cost] input = 1.25 output = 10.00 cache_read = 0.125 [limit] context = 128_000 output = 16_384 [modalities] input = ["text", "image"] output = ["text"]