prefer provider count

This commit is contained in:
Michael Neale
2025-10-22 15:09:47 +11:00
parent 442ca76cd6
commit b3d18d02ea

View File

@@ -319,24 +319,17 @@ impl ContextWindow {
/// Update token usage from provider response
pub fn update_usage_from_response(&mut self, usage: &g3_providers::Usage) {
// The provider's usage represents the tokens used in the last API call
// We need to be smarter about how we update our running total
// Always use the provider's count as the authoritative value
// The provider knows best how many tokens were actually used
let old_used = self.used_tokens;
// If the provider's total is greater than our current count, use it as the authoritative value
// This handles cases where our estimation was off
if usage.total_tokens > self.used_tokens {
self.used_tokens = usage.total_tokens;
self.cumulative_tokens += usage.total_tokens - old_used;
} else {
// Otherwise, add the tokens from this response
self.used_tokens += usage.completion_tokens; // Add only the new completion tokens
self.cumulative_tokens += usage.completion_tokens;
}
// Use the provider's total as the current used tokens
self.used_tokens = usage.total_tokens;
self.cumulative_tokens += usage.total_tokens - old_used;
info!(
"Updated token usage - was: {}, now: {} (provider reported: prompt={}, completion={}, total={})",
"Updated token usage from provider - was: {}, now: {} (prompt={}, completion={}, total={})",
old_used, self.used_tokens, usage.prompt_tokens, usage.completion_tokens, usage.total_tokens
);