base_model = "anthropic/claude-opus-5-5"
structured_output = true
reasoning_options = [{ type = "effort", values = ["low", "medium", "high", "xhigh", "max"] }]

[cost]
input = 4
output = 20
cache_read = 0.2
cache_write = 5

[experimental.modes.fast]
cost = { input = 8, output = 40, cache_read = 0.4, cache_write = 10 }
provider = { body = { speed = "fast" }, headers = { anthropic-beta = "fast-mode-2026-02-01" } }