diff --git a/src/translation.js b/src/translation.js
index fd7a3cf..58efa0b 100644
--- a/src/translation.js
+++ b/src/translation.js
@@ -250,16 +250,22 @@ export function restoreSpecialContent(translatedText, preservations) {
 	return restoredText;
 }
 
-// Calculate processing time estimate based on real vLLM metrics
+// Calculate processing time estimate based on real Hermes/vLLM metrics (our default)
 export function estimateProcessingTime(tokenCount) {
-	// Real vLLM performance metrics from production:
-	// - Prompt processing: ~3,144 tokens/second
-	// - Generation: ~121 tokens/second
-	// - Translation typically generates 1-2x input tokens
+	// Default: Real vLLM Hermes performance metrics from production
+	let promptTokensPerSec = 3144; // Hermes prompt processing speed
+	let generationTokensPerSec = 121; // Hermes generation speed
+	
+	// Adjust for faster Groq endpoints
+	const endpoint = getSelectedModelEndpoint();
+	if (endpoint.includes('groq.com')) {
+		promptTokensPerSec = 15000; // Groq processes prompts very quickly
+		generationTokensPerSec = 800; // Groq generation is also much faster
+	}
 
-	const promptProcessingTime = tokenCount / 3144; // seconds for input processing
+	const promptProcessingTime = tokenCount / promptTokensPerSec; // seconds for input processing
 	const estimatedOutputTokens = tokenCount * 1.2; // Translation usually 1.2x input length
-	const generationTime = estimatedOutputTokens / 121; // seconds for generation
+	const generationTime = estimatedOutputTokens / generationTokensPerSec; // seconds for generation
 
 	// Add some buffer for network latency and processing overhead
 	const totalTime = (promptProcessingTime + generationTime) * 1.3;