diff --git a/internal/web/server.go b/internal/web/server.go
index 2fe4b65b..8c128465 100644
--- a/internal/web/server.go
+++ b/internal/web/server.go
@@ -689,6 +689,43 @@ func (s Server) handleChat(w http.ResponseWriter, r *http.Request) {
             return grid.querySelector(".chat-repo-card[aria-expanded='true'] .chat-repo-prompt");
           }
 
+          function activeChatSpeechStream() {
+            const input = activeChatPromptInput();
+            return input ? input.closest(".speech-stream-wrap")?.querySelector(".speech-stream") : null;
+          }
+
+          function clampSpeechStreamLevel(level) {
+            if (!Number.isFinite(level)) return 0;
+            return Math.max(0, Math.min(1, level));
+          }
+
+          function setSpeechStreamActive(stream, active) {
+            if (!(stream instanceof HTMLElement)) return;
+            stream.classList.toggle("is-active", Boolean(active));
+            if (!active) {
+              stream.style.setProperty("--speech-level", "0");
+            }
+          }
+
+          function setSpeechStreamLevel(stream, level) {
+            if (!(stream instanceof HTMLElement)) return;
+            stream.style.setProperty("--speech-level", clampSpeechStreamLevel(level).toFixed(3));
+          }
+
+          function speechStreamLevelFromSamples(input) {
+            if (!input || !input.length) return 0;
+            let sum = 0;
+            let peak = 0;
+            for (let i = 0; i < input.length; i += 1) {
+              const sample = Math.max(-1, Math.min(1, Number(input[i]) || 0));
+              const absSample = Math.abs(sample);
+              if (absSample > peak) peak = absSample;
+              sum += sample * sample;
+            }
+            const rms = Math.sqrt(sum / input.length);
+            return Math.max(peak * 1.8, rms * 16);
+          }
+
           function setChatSpeechStatus(tone, message) {
             status.textContent = message;
             status.dataset.tone = tone || "";
@@ -754,6 +791,7 @@ func (s Server) handleChat(w http.ResponseWriter, r *http.Request) {
               setChatSpeechStatus("error", "Open a repository prompt before dictating.");
               return;
             }
+            const stream = activeChatSpeechStream();
             if (!browserSpeechCaptureSupported()) {
               setChatSpeechStatus("error", "This browser does not support microphone capture.");
               return;
@@ -790,6 +828,7 @@ func (s Server) handleChat(w http.ResponseWriter, r *http.Request) {
                 const inputBuffer = event.inputBuffer.getChannelData(0);
                 const downsampled = downsampleSpeech(inputBuffer, speech.audioContext.sampleRate, SPEECH_SAMPLE_RATE);
                 updateSpeechCaptureStats(downsampled);
+                setSpeechStreamLevel(stream, speechStreamLevelFromSamples(downsampled));
                 speech.chunks.push(floatToSpeechPCM(downsampled));
               };
               speech.source.connect(speech.processor);
@@ -797,6 +836,7 @@ func (s Server) handleChat(w http.ResponseWriter, r *http.Request) {
               speech.zeroGain.connect(speech.audioContext.destination);
               speech.recording = true;
               syncChatSpeechButton();
+              setSpeechStreamActive(stream, true);
               input.focus();
               setChatSpeechStatus("warn", "Listening. Press the mic again to stop.");
               trackChatEvent("chat_speech_started");
@@ -871,6 +911,7 @@ func (s Server) handleChat(w http.ResponseWriter, r *http.Request) {
             speech.zeroGain = null;
             speech.chunks = [];
             resetSpeechCaptureStats();
+            setSpeechStreamActive(activeChatSpeechStream(), false);
             syncChatSpeechButton();
           }
 
@@ -1078,6 +1119,12 @@ func (s Server) handleChat(w http.ResponseWriter, r *http.Request) {
             input.rows = 3;
             input.placeholder = "Prompt for default branch";
             input.setAttribute("aria-label", "Prompt for " + String(repo.full_name || repo.name || "repository"));
+            const inputWrap = document.createElement("span");
+            inputWrap.className = "speech-stream-wrap chat-repo-prompt-wrap";
+            const speechStream = document.createElement("span");
+            speechStream.className = "speech-stream chat-speech-stream";
+            speechStream.setAttribute("aria-hidden", "true");
+            inputWrap.append(input, speechStream);
 
             const panelStatus = document.createElement("span");
             panelStatus.className = "chat-repo-submit-status";
@@ -1096,7 +1143,7 @@ func (s Server) handleChat(w http.ResponseWriter, r *http.Request) {
             input.addEventListener("pointerdown", (event) => {
               event.stopPropagation();
             });
-            panel.append(input, panelStatus);
+            panel.append(inputWrap, panelStatus);
             card.appendChild(panel);
 
             const openPrompt = () => {
diff --git a/internal/web/static/index.html b/internal/web/static/index.html
index 6322abca..b5f13792 100644
--- a/internal/web/static/index.html
+++ b/internal/web/static/index.html
@@ -185,12 +185,15 @@
                 </div>
                 <label id="builder-prompt-field" class="prompt-field">
                   <span class="prompt-label">Prompt</span>
-                  <textarea
-                    id="builder-prompt-input"
-                    class="prompt-text prompt-control"
-                    rows="6"
-                    spellcheck="false"
-                    placeholder="Describe the change you want"></textarea>
+                  <span class="speech-stream-wrap">
+                    <textarea
+                      id="builder-prompt-input"
+                      class="prompt-text prompt-control"
+                      rows="6"
+                      spellcheck="false"
+                      placeholder="Describe the change you want"></textarea>
+                    <span id="builder-speech-stream" class="speech-stream" aria-hidden="true"></span>
+                  </span>
                 </label>
               </div>
 
@@ -1913,6 +1916,7 @@ <h2 id="hub-setup-title">Connect to Hub</h2>
     const localPromptStatusDefaultText = String(localPromptStatus?.dataset.defaultText || "").trim();
     let localPromptStatusTimer = 0;
     const promptSpeechToggle = document.getElementById("prompt-speech-toggle");
+    const builderSpeechStream = document.getElementById("builder-speech-stream");
     const promptModeBuilder = document.getElementById("prompt-mode-builder");
     const promptModeLibrary = document.getElementById("prompt-mode-library");
     const promptModeJSON = document.getElementById("prompt-mode-json");
@@ -5167,6 +5171,38 @@ <h2 id="hub-setup-title">Connect to Hub</h2>
       replaceLucideIcons(promptSpeechToggle);
     }
 
+    function clampSpeechStreamLevel(level) {
+      if (!Number.isFinite(level)) return 0;
+      return Math.max(0, Math.min(1, level));
+    }
+
+    function setSpeechStreamActive(stream, active) {
+      if (!(stream instanceof HTMLElement)) return;
+      stream.classList.toggle("is-active", Boolean(active));
+      if (!active) {
+        stream.style.setProperty("--speech-level", "0");
+      }
+    }
+
+    function setSpeechStreamLevel(stream, level) {
+      if (!(stream instanceof HTMLElement)) return;
+      stream.style.setProperty("--speech-level", clampSpeechStreamLevel(level).toFixed(3));
+    }
+
+    function speechStreamLevelFromSamples(input) {
+      if (!input || !input.length) return 0;
+      let sum = 0;
+      let peak = 0;
+      for (let i = 0; i < input.length; i += 1) {
+        const sample = Math.max(-1, Math.min(1, Number(input[i]) || 0));
+        const absSample = Math.abs(sample);
+        if (absSample > peak) peak = absSample;
+        sum += sample * sample;
+      }
+      const rms = Math.sqrt(sum / input.length);
+      return Math.max(peak * 1.8, rms * 16);
+    }
+
     async function refreshSpeechStatus() {
       try {
         const response = await fetch("/api/speech/status", { cache: "no-store" });
@@ -5239,6 +5275,7 @@ <h2 id="hub-setup-title">Connect to Hub</h2>
           const input = event.inputBuffer.getChannelData(0);
           const downsampled = downsampleSpeech(input, state.speech.audioContext.sampleRate, SPEECH_SAMPLE_RATE);
           updateSpeechCaptureStats(downsampled);
+          setSpeechStreamLevel(builderSpeechStream, speechStreamLevelFromSamples(downsampled));
           state.speech.chunks.push(floatToSpeechPCM(downsampled));
         };
         state.speech.source.connect(state.speech.processor);
@@ -5246,6 +5283,7 @@ <h2 id="hub-setup-title">Connect to Hub</h2>
         state.speech.zeroGain.connect(state.speech.audioContext.destination);
         state.speech.recording = true;
         syncPromptSpeechButton();
+        setSpeechStreamActive(builderSpeechStream, true);
         setLocalPromptStatus("warn", "Listening. Press the mic again to stop.");
         trackAnalyticsEvent("prompt_speech_started", { prompt_mode: state.promptMode });
       } catch (err) {
@@ -5324,6 +5362,7 @@ <h2 id="hub-setup-title">Connect to Hub</h2>
       state.speech.zeroGain = null;
       state.speech.chunks = [];
       resetSpeechCaptureStats();
+      setSpeechStreamActive(builderSpeechStream, false);
       syncPromptSpeechButton();
     }
 
@@ -6556,6 +6595,12 @@ <h2 id="hub-setup-title">Connect to Hub</h2>
       if (repoKey && state.chatPromptDrafts.has(repoKey)) {
         prompt.value = state.chatPromptDrafts.get(repoKey);
       }
+      const promptWrap = document.createElement("span");
+      promptWrap.className = "speech-stream-wrap chat-repo-prompt-wrap";
+      const speechStream = document.createElement("span");
+      speechStream.className = "speech-stream chat-speech-stream";
+      speechStream.setAttribute("aria-hidden", "true");
+      promptWrap.append(prompt, speechStream);
 
       const pasteTarget = document.createElement("div");
       pasteTarget.className = "prompt-control prompt-action-paste chat-repo-image-paste";
@@ -6634,7 +6679,7 @@ <h2 id="hub-setup-title">Connect to Hub</h2>
         event.stopPropagation();
       });
       imageActions.append(pasteTarget, submitStatus);
-      panel.append(promptLog, prompt, imageActions);
+      panel.append(promptLog, promptWrap, imageActions);
       card.appendChild(panel);
 
       const openPrompt = () => {
diff --git a/internal/web/static/style.css b/internal/web/static/style.css
index fe1ab343..85fe2eac 100644
--- a/internal/web/static/style.css
+++ b/internal/web/static/style.css
@@ -1711,6 +1711,64 @@ select.prompt-control {
   background: var(--surface-control-bg-strong);
 }
 
+.speech-stream-wrap {
+  position: relative;
+  display: block;
+  min-width: 0;
+}
+
+.speech-stream {
+  --speech-level: 0;
+  position: absolute;
+  top: 9px;
+  left: 10px;
+  right: 10px;
+  height: 18px;
+  overflow: hidden;
+  border-radius: 999px;
+  opacity: 0;
+  pointer-events: none;
+  transform: translateY(-2px);
+  transition: opacity 0.16s ease, transform 0.16s ease;
+}
+
+.speech-stream.is-active {
+  opacity: calc(0.28 + (var(--speech-level) * 0.72));
+  transform: translateY(0);
+}
+
+.speech-stream::before {
+  content: "";
+  position: absolute;
+  inset: 0;
+  width: 220%;
+  background:
+    linear-gradient(90deg, transparent 0%, rgba(10, 132, 255, 0.2) 12%, rgba(10, 132, 255, 0.68) 22%, transparent 34%),
+    repeating-linear-gradient(90deg, transparent 0 8px, rgba(10, 132, 255, 0.32) 8px 10px, transparent 10px 16px);
+  filter: drop-shadow(0 0 5px rgba(10, 132, 255, 0.28));
+  transform: translateX(0);
+  animation: speech-stream-flow 1.1s linear infinite;
+}
+
+.speech-stream::after {
+  content: "";
+  position: absolute;
+  inset: 4px 0;
+  background: linear-gradient(90deg, transparent, rgba(10, 132, 255, 0.54), transparent);
+  opacity: calc(0.16 + var(--speech-level) * 0.38);
+  transform: scaleY(calc(0.35 + (var(--speech-level) * 0.9)));
+  transform-origin: center;
+}
+
+@keyframes speech-stream-flow {
+  from {
+    transform: translateX(0);
+  }
+  to {
+    transform: translateX(-50%);
+  }
+}
+
 #builder-prompt-input,
 #local-prompt-input {
   width: 100%;
@@ -3699,6 +3757,10 @@ select.prompt-control {
   line-height: 1.35;
 }
 
+.chat-repo-prompt-wrap {
+  display: block;
+}
+
 .chat-repo-prompt:focus {
   border-color: var(--border-strong);
   outline: none;