diff --git a/src/composables/node/useNodePricing.ts b/src/composables/node/useNodePricing.ts
index 27355a2205..b2ad2ff995 100644
--- a/src/composables/node/useNodePricing.ts
+++ b/src/composables/node/useNodePricing.ts
@@ -109,6 +109,66 @@ const pixversePricingCalculator = (node: LGraphNode): string => {
   return '$0.9/Run'
 }
 
+const byteDanceVideoPricingCalculator = (node: LGraphNode): string => {
+  const modelWidget = node.widgets?.find(
+    (w) => w.name === 'model'
+  ) as IComboWidget
+  const durationWidget = node.widgets?.find(
+    (w) => w.name === 'duration'
+  ) as IComboWidget
+  const resolutionWidget = node.widgets?.find(
+    (w) => w.name === 'resolution'
+  ) as IComboWidget
+
+  if (!modelWidget || !durationWidget || !resolutionWidget) return 'Token-based'
+
+  const model = String(modelWidget.value).toLowerCase()
+  const resolution = String(resolutionWidget.value).toLowerCase()
+  const seconds = parseFloat(String(durationWidget.value))
+  const priceByModel: Record<string, Record<string, [number, number]>> = {
+    'seedance-1-0-pro': {
+      '480p': [0.23, 0.24],
+      '720p': [0.51, 0.56],
+      '1080p': [1.18, 1.22]
+    },
+    'seedance-1-0-lite': {
+      '480p': [0.17, 0.18],
+      '720p': [0.37, 0.41],
+      '1080p': [0.85, 0.88]
+    }
+  }
+
+  const modelKey = model.includes('seedance-1-0-pro')
+    ? 'seedance-1-0-pro'
+    : model.includes('seedance-1-0-lite')
+      ? 'seedance-1-0-lite'
+      : ''
+
+  const resKey = resolution.includes('1080')
+    ? '1080p'
+    : resolution.includes('720')
+      ? '720p'
+      : resolution.includes('480')
+        ? '480p'
+        : ''
+
+  const baseRange =
+    modelKey && resKey ? priceByModel[modelKey]?.[resKey] : undefined
+  if (!baseRange) return 'Token-based'
+
+  const [min10s, max10s] = baseRange
+  const scale = seconds / 10
+  const minCost = min10s * scale
+  const maxCost = max10s * scale
+
+  const minStr = `$${minCost.toFixed(2)}/Run`
+  const maxStr = `$${maxCost.toFixed(2)}/Run`
+
+  return minStr === maxStr
+    ? minStr
+    : `$${minCost.toFixed(2)}-$${maxCost.toFixed(2)}/Run`
+}
+
 /**
  * Static pricing data for API nodes, now supporting both strings and functions
  */
@@ -1441,6 +1501,18 @@ const apiNodeCosts: Record<string, { displayPrice: string | PricingFunction }> =
         }
         return 'Token-based'
       }
+    },
+    ByteDanceTextToVideoNode: {
+      displayPrice: byteDanceVideoPricingCalculator
+    },
+    ByteDanceImageToVideoNode: {
+      displayPrice: byteDanceVideoPricingCalculator
+    },
+    ByteDanceFirstLastFrameNode: {
+      displayPrice: byteDanceVideoPricingCalculator
+    },
+    ByteDanceImageReferenceNode: {
+      displayPrice: byteDanceVideoPricingCalculator
     }
   }
 
@@ -1531,7 +1603,11 @@ export const useNodePricing = () => {
       OpenAIChatNode: ['model'],
       // ByteDance
       ByteDanceImageNode: ['model'],
-      ByteDanceImageEditNode: ['model']
+      ByteDanceImageEditNode: ['model'],
+      ByteDanceTextToVideoNode: ['model', 'duration', 'resolution'],
+      ByteDanceImageToVideoNode: ['model', 'duration', 'resolution'],
+      ByteDanceFirstLastFrameNode: ['model', 'duration', 'resolution'],
+      ByteDanceImageReferenceNode: ['model', 'duration', 'resolution']
     }
     return widgetMap[nodeType] || []
   }
diff --git a/tests-ui/tests/composables/node/useNodePricing.test.ts b/tests-ui/tests/composables/node/useNodePricing.test.ts
index f6f45e6789..dbd40a7311 100644
--- a/tests-ui/tests/composables/node/useNodePricing.test.ts
+++ b/tests-ui/tests/composables/node/useNodePricing.test.ts
@@ -1780,4 +1780,86 @@ describe('useNodePricing', () => {
       })
     })
   })
+
+  describe('dynamic pricing - ByteDance Seedance video nodes', () => {
+    it('should return base 10s range for PRO 1080p on ByteDanceTextToVideoNode', () => {
+      const { getNodeDisplayPrice } = useNodePricing()
+      const node = createMockNode('ByteDanceTextToVideoNode', [
+        { name: 'model', value: 'seedance-1-0-pro' },
+        { name: 'duration', value: '10' },
+        { name: 'resolution', value: '1080p' }
+      ])
+
+      const price = getNodeDisplayPrice(node)
+      expect(price).toBe('$1.18-$1.22/Run')
+    })
+
+    it('should scale to half for 5s PRO 1080p on ByteDanceTextToVideoNode', () => {
+      const { getNodeDisplayPrice } = useNodePricing()
+      const node = createMockNode('ByteDanceTextToVideoNode', [
+        { name: 'model', value: 'seedance-1-0-pro' },
+        { name: 'duration', value: '5' },
+        { name: 'resolution', value: '1080p' }
+      ])
+
+      const price = getNodeDisplayPrice(node)
+      expect(price).toBe('$0.59-$0.61/Run')
+    })
+
+    it('should scale for 8s PRO 480p on ByteDanceImageToVideoNode', () => {
+      const { getNodeDisplayPrice } = useNodePricing()
+      const node = createMockNode('ByteDanceImageToVideoNode', [
+        { name: 'model', value: 'seedance-1-0-pro' },
+        { name: 'duration', value: '8' },
+        { name: 'resolution', value: '480p' }
+      ])
+
+      const price = getNodeDisplayPrice(node)
+      expect(price).toBe('$0.18-$0.19/Run')
+    })
+
+    it('should scale correctly for 12s PRO 720p on ByteDanceFirstLastFrameNode', () => {
+      const { getNodeDisplayPrice } = useNodePricing()
+      const node = createMockNode('ByteDanceFirstLastFrameNode', [
+        { name: 'model', value: 'seedance-1-0-pro' },
+        { name: 'duration', value: '12' },
+        { name: 'resolution', value: '720p' }
+      ])
+
+      const price = getNodeDisplayPrice(node)
+      expect(price).toBe('$0.61-$0.67/Run')
+    })
+
+    it('should collapse to a single value when min and max round equal for LITE 480p 3s on ByteDanceImageReferenceNode', () => {
+      const { getNodeDisplayPrice } = useNodePricing()
+      const node = createMockNode('ByteDanceImageReferenceNode', [
+        { name: 'model', value: 'seedance-1-0-lite' },
+        { name: 'duration', value: '3' },
+        { name: 'resolution', value: '480p' }
+      ])
+
+      const price = getNodeDisplayPrice(node)
+      expect(price).toBe('$0.05/Run') // 0.17..0.18 scaled by 0.3 both round to 0.05
+    })
+
+    it('should return Token-based when required widgets are missing', () => {
+      const { getNodeDisplayPrice } = useNodePricing()
+      const missingModel = createMockNode('ByteDanceFirstLastFrameNode', [
+        { name: 'duration', value: '10' },
+        { name: 'resolution', value: '1080p' }
+      ])
+      const missingResolution = createMockNode('ByteDanceImageToVideoNode', [
+        { name: 'model', value: 'seedance-1-0-pro' },
+        { name: 'duration', value: '10' }
+      ])
+      const missingDuration = createMockNode('ByteDanceTextToVideoNode', [
+        { name: 'model', value: 'seedance-1-0-lite' },
+        { name: 'resolution', value: '720p' }
+      ])
+
+      expect(getNodeDisplayPrice(missingModel)).toBe('Token-based')
+      expect(getNodeDisplayPrice(missingResolution)).toBe('Token-based')
+      expect(getNodeDisplayPrice(missingDuration)).toBe('Token-based')
+    })
+  })
 })