Skip to content

fix(fim): set has_error on microdollar_usage for upstream errors #2581

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
chrarnoldus merged 2 commits into from
Apr 20, 2026
Merged

fix(fim): set has_error on microdollar_usage for upstream errors #2581

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
7ad44b9
fix(fim): set has_error on microdollar_usage for upstream errors
kilo-code-bot[bot] Apr 18, 2026
d5ace23
style: apply oxfmt formatting
kilo-code-bot[bot] Apr 18, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
22 changes: 16 additions & 6 deletions apps/web/src/lib/ai-gateway/llm-proxy-helpers.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -494,7 +494,8 @@ function computeFimMicrodollarCost(usage: FimUsage, provider: ProviderId): numbe

function parseMistralFimUsageFromString(
response: string,
provider: ProviderId
provider: ProviderId,
statusCode: number
): MicrodollarUsageStats {
const json: MistralFimCompletion = JSON.parse(response);
const cost_mUsd = computeFimMicrodollarCost(json.usage, provider);
Expand All @@ -503,7 +504,7 @@ function parseMistralFimUsageFromString(
messageId: json.id,
model: json.model,
responseContent: json.choices[0]?.text || '',
hasError: !json.model,
hasError: !json.model || statusCode >= 400,
inference_provider: provider,
inputTokens: json.usage.prompt_tokens,
outputTokens: json.usage.completion_tokens,
Expand All @@ -524,7 +525,8 @@ function parseMistralFimUsageFromString(
async function parseMistralFimUsageFromStream(
stream: ReadableStream,
requestSpan: Span | undefined,
provider: ProviderId
provider: ProviderId,
statusCode: number
): Promise<MicrodollarUsageStats> {
requestSpan?.end();
const streamProcessingSpan = startInactiveSpan({
Expand All @@ -539,7 +541,7 @@ async function parseMistralFimUsageFromStream(
let messageId: string | null = null;
let model: string | null = null;
let responseContent = '';
let reportedError = false;
let reportedError = statusCode >= 400;
const startedAt = performance.now();
let firstTokenReceived = false;
let usage: FimUsage | undefined;
Expand Down Expand Up @@ -627,13 +629,21 @@ export function countAndStoreFimUsage(
const logFileExtension = usageContext.isStreaming ? '.log.resp.sse' : '.log.resp.json';
debugSaveProxyResponseStream(clonedResponse, logFileExtension);

const statusCode = usageContext.status_code ?? 0;
const usageStatsPromise = !clonedResponse.body
? Promise.resolve(null)
: usageContext.isStreaming
? parseMistralFimUsageFromStream(clonedResponse.body, requestSpan, usageContext.provider)
? parseMistralFimUsageFromStream(
clonedResponse.body,
requestSpan,
usageContext.provider,
statusCode
)
: clonedResponse
.text()
.then(content => parseMistralFimUsageFromString(content, usageContext.provider));
.then(content =>
parseMistralFimUsageFromString(content, usageContext.provider, statusCode)
);

after(
usageStatsPromise.then(usageStats => {
Expand Down
Loading