base_model = "anthropic/claude-opus-4-6" reasoning_options = [{ type = "effort", values = ["low", "medium", "high", "max"] }] [cost] input = 5 output = 25 cache_read = 0.5 cache_write = 6.25 [limit] context = 200_000 input = 168_000 output = 32_000 [experimental.modes.fast] cost = { input = 30, output = 150, cache_read = 3, cache_write = 37.5 } provider = { body = { speed = "fast" }, headers = { anthropic-beta = "fast-mode-2026-02-01" } }