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AMC WebUI

Cost Tracking & Developer Logs

Cost Tracking & Developer Logs

To assist developers in auditing API expenditures, AMC WebUI includes a strict-precision pricing tracker.

1. Strict Precision Cost Model

  • No Crude Estimations: Avoids misleading fixed token rates that fail on multimodal inputs or long-context discount brackets.
  • Evidence-Backed Display: Specific dollar costs are shown only when recorded metadata matches Google’s official pricing formulas:
    • Distinguishes between prompt tokens, cached tokens, and reasoning/output tokens.
    • Accounts for modal pricing (text vs audio vs image).
    • Queries lacking precise metadata cleanly show — instead of inaccurate approximations.

2. Developer Logs Panel

Open the Logs Panel from the sidebar footer:

  • Real-time API Tracing: Captures HTTP status codes, network latency, and time-to-first-token (TTFT).
  • Token Analytics: Visual waterfall breakdown of input and output token counts per turn.
  • Error Diagnostics: View full JSON payload responses from upstream providers when encountering 4xx/5xx status codes.