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feat: add Veo 3.1 video generation models #751

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100a740
feat: add Veo 3.1 video generation models
Manishcs076 Mar 27, 2026
d2c76f6
fix: use VideoModelOption type in vertex.ts to support Veo 3.1 models
Manish1Pandey Mar 31, 2026
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16 changes: 15 additions & 1 deletion packages/sdk/ts/src/supported-models/video/gemini.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,9 @@ import { SupportedVideoModel } from 'supported-models/types';

export type GeminiVideoModel =
| 'veo-3.0-generate-001'
| 'veo-3.0-fast-generate-001';
| 'veo-3.0-fast-generate-001'
| 'veo-3.1-generate-preview'
| 'veo-3.1-fast-generate-preview';
// https://ai.google.dev/gemini-api/docs/pricing
export const GeminiVideoModels: SupportedVideoModel[] = [
{
Expand All @@ -17,4 +19,16 @@ export const GeminiVideoModels: SupportedVideoModel[] = [
cost_per_second_without_audio: 0.1,
provider: 'Gemini',
},
{
model_id: 'veo-3.1-generate-preview',
cost_per_second_with_audio: 0.4,
cost_per_second_without_audio: 0.2,
provider: 'Gemini',
},
{
model_id: 'veo-3.1-fast-generate-preview',
cost_per_second_with_audio: 0.15,
cost_per_second_without_audio: 0.1,
provider: 'Gemini',
},
];
22 changes: 18 additions & 4 deletions packages/sdk/ts/src/supported-models/video/vertex-ai.ts
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Expand Up @@ -2,7 +2,9 @@ import type { SupportedVideoModel } from '../types';

export type VertexAIVideoModel =
| 'veo-3.0-fast-generate-preview'
| 'veo-3.0-generate-preview';
| 'veo-3.0-generate-preview'
| 'veo-3.1-generate-preview'
| 'veo-3.1-fast-generate-preview';
/**
* Vertex AI video models with official pricing information
* Based on: https://cloud.google.com/vertex-ai/generative-ai/pricing
Expand All @@ -14,13 +16,25 @@ export const VertexAIVideoModels: SupportedVideoModel[] = [
{
model_id: 'veo-3.0-fast-generate-preview',
cost_per_second_with_audio: 0.15,
cost_per_second_without_audio: 0.1, // Fixed: was 0.1, now 0.10 for clarity
cost_per_second_without_audio: 0.1,
provider: 'VertexAI',
},
{
model_id: 'veo-3.0-generate-preview',
cost_per_second_with_audio: 0.4, // Fixed: was 0.4, now 0.40 for clarity
cost_per_second_without_audio: 0.2, // Fixed: was 0.2, now 0.20 for clarity
cost_per_second_with_audio: 0.4,
cost_per_second_without_audio: 0.2,
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-3.1-fast-generate-preview',
cost_per_second_with_audio: 0.15,
cost_per_second_without_audio: 0.1,
provider: 'VertexAI',
},
];
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',
];
Expand Down
3 changes: 2 additions & 1 deletion templates/next-video-template/src/app/api/generate-video/vertex.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@

import { getEchoToken } from '@/echo';
import { ERROR_MESSAGES } from '@/lib/constants';
import { VideoModelOption } from '@/lib/types';
import {
GenerateVideosOperation,
GenerateVideosParameters,
Expand All @@ -14,7 +15,7 @@ import {
*/
export async function handleGeminiGenerate(
prompt: string,
model: 'veo-3.0-fast-generate-preview' | 'veo-3.0-generate-preview',
model: VideoModelOption,
durationSeconds: number = 4,
generateAudio: boolean = false,
image?: string, // Base64 encoded image or data URL (first frame)
Expand Down
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);
Expand Down
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';

Expand Down