LangWatch Shipped Claude Code Cost Tracking That Prices Subscription Sessions at Theoretical API List Rates
LangWatch's Claude Code usage tracking reached #4 on Product Hunt July 30 with 194 upvotes. Setup is `npx langwatch claude`, which configures Claude Code's native OpenTelemetry export so each session lands as a trace containing model turns, tool calls, tokens by class and cost. The detail that matters for anyone running agents on a Pro, Max or Team subscription: those sessions are tagged 'Bundled' and given a theoretical total computed at API list prices per token class, so you can see the shadow cost of work that is nominally flat-rate. Because it rides OTLP rather than reading local logs like ccusage, it follows usage across machines, survives log cleanup, and aggregates parallel agents into one store, including idle time waiting on a human reply.
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