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Fix: Roo Anthropic input token normalization (avoid double-count) (#9224)

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Hannes Rudolph 2025-11-12 23:46:11 -07:00 • committed by GitHub
parent bb6cac4980
commit 4e6cdad052
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1 changed files with 17 additions and 4 deletions
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21
src/api/providers/roo.ts
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@ -1,7 +1,7 @@
import { Anthropic } from "@anthropic-ai/sdk"
import OpenAI from "openai"
import { rooDefaultModelId } from "@roo-code/types"
import { rooDefaultModelId, getApiProtocol } from "@roo-code/types"
import { CloudService } from "@roo-code/cloud"
import type { ApiHandlerOptions, ModelRecord } from "../../shared/api"
@ -163,12 +163,25 @@ export class RooHandler extends BaseOpenAiCompatibleProvider<string> {
const model = this.getModel()
const isFreeModel = model.info.isFree ?? false
// Normalize input tokens based on protocol expectations:
// - OpenAI protocol expects TOTAL input tokens (cached + non-cached)
// - Anthropic protocol expects NON-CACHED input tokens (caches passed separately)
const modelId = model.id
const apiProtocol = getApiProtocol("roo", modelId)
const promptTokens = lastUsage.prompt_tokens || 0
const cacheWrite = lastUsage.cache_creation_input_tokens || 0
const cacheRead = lastUsage.prompt_tokens_details?.cached_tokens || 0
const nonCached = Math.max(0, promptTokens - cacheWrite - cacheRead)
const inputTokensForDownstream = apiProtocol === "anthropic" ? nonCached : promptTokens
yield {
type: "usage",
inputTokens: lastUsage.prompt_tokens || 0,
inputTokens: inputTokensForDownstream,
outputTokens: lastUsage.completion_tokens || 0,
cacheWriteTokens: lastUsage.cache_creation_input_tokens,
cacheReadTokens: lastUsage.prompt_tokens_details?.cached_tokens,
cacheWriteTokens: cacheWrite,
cacheReadTokens: cacheRead,
totalCost: isFreeModel ? 0 : (lastUsage.cost ?? 0),
}
}