diff --git a/frontend/libs/components/promptbox/src/lib/PromptBox2D.tsx b/frontend/libs/components/promptbox/src/lib/PromptBox2D.tsx
index d1938df561..3752439a9c 100644
--- a/frontend/libs/components/promptbox/src/lib/PromptBox2D.tsx
+++ b/frontend/libs/components/promptbox/src/lib/PromptBox2D.tsx
@@ -267,7 +267,7 @@ export const PromptBox2D = ({
   const handleGenerate = async () => {
     const busy = Boolean(isEnqueueing ?? internalEnqueueing);
     if (busy || isDisabled || !prompt.trim()) return;
-    if (prompt.length > maxLen) {
+    if (isFinite(maxLen) && prompt.length > maxLen) {
       toast.error(
         `Prompt exceeds the ${maxLen} character limit for this model`,
       );
@@ -427,9 +427,9 @@ export const PromptBox2D = ({
                 onBlur={() => {}}
               />
               <span
-                className={`absolute -bottom-1 right-0 text-[10px] tabular-nums ${prompt.length > maxLen ? "text-red-500" : "text-base-fg/40"}`}
+                className={`absolute -bottom-1 right-0 text-[10px] tabular-nums ${isFinite(maxLen) && prompt.length > maxLen ? "text-red-500" : "text-base-fg/40"}`}
               >
-                {prompt.length} / {maxLen}
+                {prompt.length} / {isFinite(maxLen) ? maxLen : "∞"}
               </span>
             </div>
           </div>
diff --git a/frontend/libs/components/promptbox/src/lib/PromptBox3D.tsx b/frontend/libs/components/promptbox/src/lib/PromptBox3D.tsx
index fd3f11f1ae..413478c03e 100644
--- a/frontend/libs/components/promptbox/src/lib/PromptBox3D.tsx
+++ b/frontend/libs/components/promptbox/src/lib/PromptBox3D.tsx
@@ -269,7 +269,7 @@ export const PromptBox3D = ({
   const maxLen = selectedImageModel?.maxPromptLength ?? 1000;
 
   const handleEnqueue = async () => {
-    if (prompt.length > maxLen) {
+    if (isFinite(maxLen) && prompt.length > maxLen) {
       toast.error(`Prompt exceeds the ${maxLen} character limit for this model`);
       return;
     }
@@ -632,8 +632,8 @@ export const PromptBox3D = ({
                   isPromptBoxFocused.value = false;
                 }}
               />
-              <span className={`absolute -bottom-1 right-0 text-[10px] tabular-nums ${prompt.length > maxLen ? "text-red-500" : "text-base-fg/40"}`}>
-                {prompt.length} / {maxLen}
+              <span className={`absolute -bottom-1 right-0 text-[10px] tabular-nums ${isFinite(maxLen) && prompt.length > maxLen ? "text-red-500" : "text-base-fg/40"}`}>
+                {prompt.length} / {isFinite(maxLen) ? maxLen : "∞"}
               </span>
             </div>
           </div>
diff --git a/frontend/libs/components/promptbox/src/lib/PromptBoxEdit.tsx b/frontend/libs/components/promptbox/src/lib/PromptBoxEdit.tsx
index 4233298a77..47e7664c2f 100644
--- a/frontend/libs/components/promptbox/src/lib/PromptBoxEdit.tsx
+++ b/frontend/libs/components/promptbox/src/lib/PromptBoxEdit.tsx
@@ -262,7 +262,7 @@ export const PromptBoxEdit = ({
   const handleGenerate = async () => {
     const busy = Boolean(isEnqueueing ?? internalEnqueueing);
     if (busy || isDisabled || !prompt.trim()) return;
-    if (prompt.length > maxLen) {
+    if (isFinite(maxLen) && prompt.length > maxLen) {
       toast.error(
         `Prompt exceeds the ${maxLen} character limit for this model`,
       );
@@ -439,9 +439,9 @@ export const PromptBoxEdit = ({
                   onBlur={() => setIsFocused(false)}
                 />
                 <span
-                  className={`absolute -bottom-1 right-0 text-[10px] tabular-nums ${prompt.length > maxLen ? "text-red-500" : "text-white/40"}`}
+                  className={`absolute -bottom-1 right-0 text-[10px] tabular-nums ${isFinite(maxLen) && prompt.length > maxLen ? "text-red-500" : "text-white/40"}`}
                 >
-                  {prompt.length} / {maxLen}
+                  {prompt.length} / {isFinite(maxLen) ? maxLen : "∞"}
                 </span>
               </div>
             </div>
diff --git a/frontend/libs/components/promptbox/src/lib/PromptBoxImage.tsx b/frontend/libs/components/promptbox/src/lib/PromptBoxImage.tsx
index 58104bd2e0..aba3e1caf0 100644
--- a/frontend/libs/components/promptbox/src/lib/PromptBoxImage.tsx
+++ b/frontend/libs/components/promptbox/src/lib/PromptBoxImage.tsx
@@ -263,7 +263,7 @@ export const PromptBoxImage = ({
       console.warn("Cannot generate image: prompt is empty");
       return;
     }
-    if (prompt.length > maxLen) {
+    if (isFinite(maxLen) && prompt.length > maxLen) {
       toast.error(
         `Prompt exceeds the ${maxLen} character limit for this model`,
       );
@@ -493,9 +493,9 @@ export const PromptBoxImage = ({
                 onBlur={() => setIsFocused(false)}
               />
               <span
-                className={`absolute -bottom-1 right-0 text-[10px] tabular-nums ${prompt.length > maxLen ? "text-red-500" : "text-base-fg/40"}`}
+                className={`absolute -bottom-1 right-0 text-[10px] tabular-nums ${isFinite(maxLen) && prompt.length > maxLen ? "text-red-500" : "text-base-fg/40"}`}
               >
-                {prompt.length} / {maxLen}
+                {prompt.length} / {isFinite(maxLen) ? maxLen : "∞"}
               </span>
             </div>
           </div>
diff --git a/frontend/libs/components/promptbox/src/lib/PromptBoxVideo.tsx b/frontend/libs/components/promptbox/src/lib/PromptBoxVideo.tsx
index 49198def56..28be90f6b7 100644
--- a/frontend/libs/components/promptbox/src/lib/PromptBoxVideo.tsx
+++ b/frontend/libs/components/promptbox/src/lib/PromptBoxVideo.tsx
@@ -591,7 +591,7 @@ export const PromptBoxVideo = ({
       toast.error("Please enter a prompt to generate video");
       return;
     }
-    if (prompt.length > maxLen) {
+    if (isFinite(maxLen) && prompt.length > maxLen) {
       toast.error(
         `Prompt exceeds the ${maxLen} character limit for this model`,
       );
@@ -933,9 +933,9 @@ export const PromptBoxVideo = ({
                 />
               )}
               <span
-                className={`absolute -bottom-1 right-0 text-[10px] tabular-nums ${prompt.length > maxLen ? "text-red-500" : "text-base-fg/40"}`}
+                className={`absolute -bottom-1 right-0 text-[10px] tabular-nums ${isFinite(maxLen) && prompt.length > maxLen ? "text-red-500" : "text-base-fg/40"}`}
               >
-                {prompt.length} / {maxLen}
+                {prompt.length} / {isFinite(maxLen) ? maxLen : "∞"}
               </span>
             </div>
           </div>
diff --git a/frontend/libs/model-list/src/lib/lists/ImageModels.ts b/frontend/libs/model-list/src/lib/lists/ImageModels.ts
index c8b0bdb900..7d9bf8b02a 100644
--- a/frontend/libs/model-list/src/lib/lists/ImageModels.ts
+++ b/frontend/libs/model-list/src/lib/lists/ImageModels.ts
@@ -182,7 +182,7 @@ export const IMAGE_MODELS: ImageModel[] = [
     canTextToImage: true,
     tags: [ModelTag.InstructiveEdit],
     progressBarTime: 25000,
-    maxPromptLength: 2500,
+    maxPromptLength: Infinity,
     // canChangeResolution: true,
     canChangeAspectRatio: true,
     defaultAspectRatio: CommonAspectRatio.Square,
@@ -217,7 +217,7 @@ export const IMAGE_MODELS: ImageModel[] = [
     canTextToImage: true,
     tags: [ModelTag.InstructiveEdit],
     progressBarTime: 25000,
-    maxPromptLength: 2500,
+    maxPromptLength: Infinity,
     canChangeResolution: true,
     canChangeAspectRatio: true,
     defaultAspectRatio: CommonAspectRatio.Square,
@@ -257,7 +257,7 @@ export const IMAGE_MODELS: ImageModel[] = [
     canTextToImage: true,
     tags: [ModelTag.InstructiveEdit],
     progressBarTime: 25000,
-    maxPromptLength: 2500,
+    maxPromptLength: Infinity,
     canChangeResolution: true,
     canChangeAspectRatio: true,
     defaultAspectRatio: CommonAspectRatio.Square,
diff --git a/frontend/libs/model-list/src/lib/lists/VideoModels.ts b/frontend/libs/model-list/src/lib/lists/VideoModels.ts
index 7c120abcc5..26ef4c8259 100644
--- a/frontend/libs/model-list/src/lib/lists/VideoModels.ts
+++ b/frontend/libs/model-list/src/lib/lists/VideoModels.ts
@@ -309,7 +309,7 @@ export const VIDEO_MODELS: VideoModel[] = [
     defaultResolution: "720p",
     supportsSystemPrompt: false,
     progressBarTime: 900000, // ~15 minutes
-    maxPromptLength: 3000,
+    maxPromptLength: Infinity,
   }),
   new VideoModel({
     id: "sora_2",