base_model = "openai/gpt-5.5" reasoning_options = [{ type = "effort", values = ["none", "low", "medium", "high", "xhigh"] }] [cost] input = 5 output = 30 cache_read = 0.5 [[cost.tiers]] tier = { type = "context", size = 272_000 } input = 10 output = 45 cache_read = 1 [provider] npm = "@ai-sdk/openai"