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Add Veo 3.1 video model support #784

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Add Veo 3.1 video model support #784

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5573a02
Add Veo 3.1 video model support
AvantBras May 10, 2026
5f25019
Potential fix for pull request finding
AvantBras May 10, 2026
af9d013
Use shared video model type in template handler
AvantBras May 10, 2026
60d8ee1
Rename Veo model allowlist
AvantBras May 12, 2026
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2 changes: 2 additions & 0 deletions packages/app/server/src/providers/VertexAIProvider.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,8 @@ import { env } from '../env';
// Constants
export const PROXY_PASSTHROUGH_ONLY_MODEL = 'PROXY_PLACEHOLDER_VERTEX_AI';
const VEO3_MODELS = [
'veo-3.1-fast-generate-preview',
'veo-3.1-generate-preview',
'veo-3.0-fast-generate-preview',
'veo-3.0-generate-preview',
];
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@AvantBras AvantBras May 10, 2026

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I don't feel like I am in a position to make a decision here since I don't know the future veo model naming patterns.

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15 changes: 15 additions & 0 deletions packages/sdk/ts/src/supported-models/video/vertex-ai.ts
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@@ -1,16 +1,31 @@
import type { SupportedVideoModel } from '../types';

export type VertexAIVideoModel =
| 'veo-3.1-fast-generate-preview'
| 'veo-3.1-generate-preview'
| 'veo-3.0-fast-generate-preview'
| 'veo-3.0-generate-preview';
/**
* Vertex AI video models with official pricing information
* Based on: https://cloud.google.com/vertex-ai/generative-ai/pricing
*
* Veo 3.1: $0.40/second with audio
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* Veo 3: $0.40/second with audio, $0.20/second video only
* Veo 3 Fast: $0.15/second with audio, $0.10/second video only
*/
export const VertexAIVideoModels: SupportedVideoModel[] = [
{
model_id: 'veo-3.1-fast-generate-preview',
cost_per_second_with_audio: 0.15,
cost_per_second_without_audio: 0.1,
provider: 'VertexAI',
},
{
model_id: 'veo-3.1-generate-preview',
cost_per_second_with_audio: 0.4,
cost_per_second_without_audio: 0.2,
provider: 'VertexAI',
},
{
model_id: 'veo-3.0-fast-generate-preview',
cost_per_second_with_audio: 0.15,
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2 changes: 2 additions & 0 deletions templates/next-video-template/src/app/api/generate-video/validation.ts
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Expand Up @@ -35,6 +35,8 @@ export function validateGenerateVideoRequest(body: unknown): ValidationResult {
}

const validModels: VideoModelOption[] = [
'veo-3.1-fast-generate-preview',
'veo-3.1-generate-preview',
'veo-3.0-fast-generate-preview',
'veo-3.0-generate-preview',
];
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6 changes: 5 additions & 1 deletion templates/next-video-template/src/app/api/generate-video/vertex.ts
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Expand Up @@ -14,7 +14,11 @@ import {
*/
export async function handleGeminiGenerate(
prompt: string,
model: 'veo-3.0-fast-generate-preview' | 'veo-3.0-generate-preview',
model:
| 'veo-3.1-fast-generate-preview'
| 'veo-3.1-generate-preview'
| 'veo-3.0-fast-generate-preview'
| 'veo-3.0-generate-preview',
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durationSeconds: number = 4,
generateAudio: boolean = false,
image?: string, // Base64 encoded image or data URL (first frame)
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4 changes: 3 additions & 1 deletion templates/next-video-template/src/components/video-generator.tsx
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Expand Up @@ -42,6 +42,8 @@ import { FileInputManager } from './FileInputManager';
import { VideoHistory } from './video-history';

const models: VideoModelConfig[] = [
{ id: 'veo-3.1-fast-generate-preview', name: 'Veo 3.1 Fast' },
{ id: 'veo-3.1-generate-preview', name: 'Veo 3.1' },
{ id: 'veo-3.0-fast-generate-preview', name: 'Veo 3 Fast' },
{ id: 'veo-3.0-generate-preview', name: 'Veo 3' },
];
Expand All @@ -57,7 +59,7 @@ const models: VideoModelConfig[] = [
*/
export default function VideoGenerator() {
const [model, setModel] = useState<VideoModelOption>(
'veo-3.0-fast-generate-preview'
'veo-3.1-fast-generate-preview'
);
const [durationSeconds, setDurationSeconds] = useState<4 | 6 | 8>(4);
const [generateAudio, setGenerateAudio] = useState<boolean>(false);
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2 changes: 2 additions & 0 deletions templates/next-video-template/src/lib/types.ts
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Expand Up @@ -14,6 +14,8 @@ export type ModelOption = 'openai' | 'gemini';
* Available AI models for video generation
*/
export type VideoModelOption =
| 'veo-3.1-fast-generate-preview'
| 'veo-3.1-generate-preview'
| 'veo-3.0-fast-generate-preview'
| 'veo-3.0-generate-preview';

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