How do you track agent costs beyond tokens? Voice minutes and sandbox container time break cost dashboards

Any_Warning_1183 · reddit · 2026-09-17

A team running production agents found their token-based cost model broke: realtime voice models bill per second with separate backend charges, and sandboxed agents keep accruing container fees while waiting on tools. With three meters (tokens, voice seconds, container time) but budgets that understand only one, most spend alerts are blind. They ask how others instrument per-session API billing and whether generic FinOps tools help at all.

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