# USD per million tokens; source: Anthropic pricing, recorded 2026-07-31
# Governed by specs/MetricsAndScenarios.md §1a — refresh on price change or
# after 90 days, or new M-D2-CST 'better' verdicts are invalid.

[claude-fable-5]
input = 10.00
output = 50.00

[claude-opus-5]
input = 5.00
output = 25.00

[claude-sonnet-5]
input = 3.00    # intro 2.00 through 2026-08-31
output = 15.00  # intro 10.00 through 2026-08-31

[claude-haiku-4-5]
input = 1.00
output = 5.00

[cache]                 # multipliers on the input price
read = 0.1
write_5m = 1.25
write_1h = 2.0