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fix(trace-spans): fix input/output token count in trace spans #2168

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Merged
waleedlatif1 merged 1 commit into from
Dec 3, 2025
Merged

fix(trace-spans): fix input/output token count in trace spans #2168

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13 changes: 6 additions & 7 deletions apps/sim/lib/logs/execution/logging-factory.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -80,7 +80,6 @@ export function calculateCostSummary(traceSpans: any[]): {
}
}

// Recursively collect all spans with cost information from the trace span tree
const collectCostSpans = (spans: any[]): any[] => {
const costSpans: any[] = []

Expand Down Expand Up @@ -119,12 +118,12 @@ export function calculateCostSummary(traceSpans: any[]): {
totalCost += span.cost.total || 0
totalInputCost += span.cost.input || 0
totalOutputCost += span.cost.output || 0
// Tokens are at span.tokens, not span.cost.tokens
const promptTokens = span.tokens?.prompt ?? span.tokens?.input ?? 0
const completionTokens = span.tokens?.completion ?? span.tokens?.output ?? 0
totalTokens += span.tokens?.total || 0
totalPromptTokens += span.tokens?.prompt || 0
totalCompletionTokens += span.tokens?.completion || 0
totalPromptTokens += promptTokens
totalCompletionTokens += completionTokens

// Aggregate model-specific costs - model is at span.model, not span.cost.model
if (span.model) {
const model = span.model
if (!models[model]) {
Expand All @@ -138,8 +137,8 @@ export function calculateCostSummary(traceSpans: any[]): {
models[model].input += span.cost.input || 0
models[model].output += span.cost.output || 0
models[model].total += span.cost.total || 0
models[model].tokens.prompt += span.tokens?.prompt || 0
models[model].tokens.completion += span.tokens?.completion || 0
models[model].tokens.prompt += promptTokens
models[model].tokens.completion += completionTokens
models[model].tokens.total += span.tokens?.total || 0
}
}
Expand Down