Module pricing 

Per-model USD pricing for cost reporting.

Values in $ per 1M tokens. Returns None for unknown models so that the caller can set total_cost_usd = None. Public DeepSeek list pricing as of late 2025 — adjust as needed.

Structs

ModelPricing

Functions

map_stop_reason

Map OpenAI finish_reason to a Claude-style stop_reason.

model_pricing

turn_cost_usd

Convert a turn’s UsageInfo into a USD cost given the model. Returns None if pricing is unknown.