diff --git a/benchmark/src/ui.rs b/benchmark/src/ui.rs
index 7b251f0f..e824ace7 100644
--- a/benchmark/src/ui.rs
+++ b/benchmark/src/ui.rs
@@ -4,7 +4,7 @@ use crossterm::event::{KeyCode, KeyEvent, KeyModifiers};
 use text_generation_client::ClientError;
 use tokio::sync::mpsc;
 use tui::backend::Backend;
-use tui::layout::{Constraint, Direction, Layout};
+use tui::layout::{Alignment, Constraint, Direction, Layout};
 use tui::style::{Color, Modifier, Style};
 use tui::text::{Span, Spans};
 use tui::widgets::{
@@ -81,6 +81,7 @@ pub(crate) struct UI {
     completed_batch: usize,
     current_batch: usize,
     current_tab: usize,
+    zoom: bool,
     is_error: bool,
     data: Data,
     tokenizer_name: String,
@@ -114,6 +115,7 @@ impl UI {
             completed_batch,
             current_batch,
             current_tab,
+            zoom: false,
             is_error,
             data,
             tokenizer_name,
@@ -130,6 +132,10 @@ impl UI {
             KeyEvent {
                 code: KeyCode::Right,
                 ..
+            } |
+            KeyEvent {
+                code: KeyCode::Tab,
+                ..
             } => {
                 self.current_tab = (self.current_tab + 1) % self.batch_size.len();
             }
@@ -143,6 +149,19 @@ impl UI {
                     self.current_tab = self.batch_size.len() - 1;
                 }
             }
+            KeyEvent {
+                code: KeyCode::Char('+'),
+                ..
+            } => {
+                self.zoom = true;
+            }
+            KeyEvent {
+                code: KeyCode::Char('-'),
+                ..
+            } => {
+                self.zoom = false;
+            }
+
             KeyEvent {
                 code: KeyCode::Char('q'),
                 ..
@@ -199,7 +218,7 @@ impl UI {
                     Constraint::Length(13),
                     Constraint::Min(10),
                 ]
-                .as_ref(),
+                    .as_ref(),
             )
             .split(f.size());
 
@@ -219,7 +238,7 @@ impl UI {
                     Constraint::Percentage(20),
                     Constraint::Percentage(30),
                 ]
-                .as_ref(),
+                    .as_ref(),
             )
             .split(row5[3]);
 
@@ -255,6 +274,19 @@ impl UI {
             );
         f.render_widget(title, row5[0]);
 
+        // Helper
+        let helper = Block::default()
+            .borders(Borders::NONE)
+            .title(format!(
+                "<- | tab | ->: change batch tab | q / CTRL + c: quit | +/-: zoom"
+            ))
+            .title_alignment(Alignment::Right)
+            .style(
+                Style::default()
+                    .fg(Color::White),
+            );
+        f.render_widget(helper, row5[0]);
+
         // Batch tabs
         let titles = self
             .batch_size
@@ -278,15 +310,25 @@ impl UI {
         f.render_widget(tabs, row5[1]);
 
         // Total progress bar
+        let color = if self.is_error {
+            Color::Red
+        } else {
+            Color::LightGreen
+        };
         let batch_gauge = progress_gauge(
             "Total Progress",
             format!("{} / {}", self.completed_batch, self.batch_size.len()),
             batch_progress,
-            Color::LightGreen,
+            color,
         );
         f.render_widget(batch_gauge, top[0]);
 
         // Batch progress Bar
+        let color = if self.is_error {
+            Color::Red
+        } else {
+            Color::LightBlue
+        };
         let run_gauge = progress_gauge(
             "Batch Progress",
             format!(
@@ -294,7 +336,7 @@ impl UI {
                 self.completed_runs[self.current_batch], self.n_run
             ),
             run_progress,
-            Color::LightBlue,
+            color,
         );
         f.render_widget(run_gauge, top[1]);
 
@@ -314,7 +356,7 @@ impl UI {
         } else {
             (mid[1].width as usize - 2) / (histo_width + 1)
         }
-        .max(2);
+            .max(2);
 
         let histo_data =
             latency_histogram_data(&self.data.prefill_latencies[self.current_tab], bins);
@@ -346,6 +388,7 @@ impl UI {
         let prefill_latency_throughput_chart = latency_throughput_chart(
             &self.data.prefill_batch_latency_throughput,
             &self.batch_size,
+            self.zoom,
             "Prefill",
         );
         f.render_widget(prefill_latency_throughput_chart, bottom[0]);
@@ -354,6 +397,7 @@ impl UI {
         let decode_latency_throughput_chart = latency_throughput_chart(
             &self.data.decode_batch_latency_throughput,
             &self.batch_size,
+            self.zoom,
             "Decode",
         );
         f.render_widget(decode_latency_throughput_chart, bottom[1]);
@@ -461,6 +505,7 @@ fn statis_spans<'a>(data: &Vec<f64>, unit: &'static str) -> Vec<Spans<'a>> {
 fn latency_throughput_chart<'a>(
     latency_throughput: &'a Vec<(f64, f64)>,
     batch_sizes: &'a Vec<u32>,
+    zoom: bool,
     name: &'static str,
 ) -> Chart<'a> {
     let latency_iter = latency_throughput.iter().map(|(l, _)| l);
@@ -481,11 +526,19 @@ fn latency_throughput_chart<'a>(
         .max_by(|a, b| a.total_cmp(b))
         .unwrap_or(&std::f64::NAN);
 
-    let min_x = ((min_latency - 0.05 * min_latency) / 100.0).floor() * 100.0;
+    let min_x = if zoom {
+        ((min_latency - 0.05 * min_latency) / 100.0).floor() * 100.0
+    } else {
+        0.0
+    };
     let max_x = ((max_latency + 0.05 * max_latency) / 100.0).ceil() * 100.0;
     let step_x = (max_x - min_x) / 4.0;
 
-    let min_y = ((min_throughput - 0.05 * min_throughput) / 100.0).floor() * 100.0;
+    let min_y = if zoom {
+        ((min_throughput - 0.05 * min_throughput) / 100.0).floor() * 100.0
+    } else {
+        0.0
+    };
     let max_y = ((max_throughput + 0.05 * max_throughput) / 100.0).ceil() * 100.0;
     let step_y = (max_y - min_y) / 4.0;