Module cost_tracker 

Session-level cost tracking for LLM API usage.

Uses ModelInfo pricing ($ per million tokens) to compute cost from the usage dict returned by each LLM API call.

Ported from opendev/core/runtime/cost_tracker.py.

Structs

CostTracker

Tracks cumulative token usage and estimated cost for a session.

PricingInfo

Pricing info needed for cost computation.

TokenUsage

Token usage from a single LLM call.