Text-to-Video Generation
Last updated February 19, 2026
Generate videos from text prompts. Describe what you want to see and the model creates a video matching your description.
Google's Veo models generate high-quality videos with optional audio. Veo 3.1 supports up to 4K resolution.
Veo videos are always 8 seconds. Duration is fixed and cannot be changed.
| Model | Description |
|---|---|
google/veo-3.1-generate-001 | Latest model with 4K support and audio generation |
google/veo-3.1-fast-generate-001 | Fast generation with 4K support |
google/veo-3.0-generate-001 | Previous generation, 1080p max |
google/veo-3.0-fast-generate-001 | Faster generation, lower quality |
| Parameter | Type | Required | Description |
|---|---|---|---|
prompt | string | Yes | Text description of the video to generate |
aspectRatio | string | No | Aspect ratio (e.g., '16:9', '9:16') |
resolution | string | No | Resolution (e.g., '1920x1080', '3840x2160' for 4K on Veo 3.1) |
providerOptions.vertex.generateAudio | boolean | No | Generate audio alongside the video. Defaults to false |
veo-text-to-video.ts
import { experimental_generateVideo as generateVideo } from 'ai';
import fs from 'node:fs';
const result = await generateVideo({
model: 'google/veo-3.1-generate-001',
prompt: 'A pangolin curled on a mossy stone in a glowing bioluminescent forest',
aspectRatio: '16:9',
resolution: '1920x1080',
providerOptions: {
vertex: {
generateAudio: true,
},
},
});
fs.writeFileSync('output.mp4', result.videos[0].uint8Array);KlingAI offers text-to-video with standard and professional quality modes. Audio generation requires v2.6+ models. Duration is 5-10 seconds.
| Model | Description |
|---|---|
klingai/kling-v3.0-t2v | Multi-shot generation, 15s clips, enhanced consistency |
klingai/kling-v2.6-t2v | Audio-visual co-generation, cinematic motion |
klingai/kling-v2.5-turbo-t2v | Faster generation, lower cost |
| Parameter | Type | Required | Description |
|---|---|---|---|
prompt | string | Yes | Text description of the video to generate. Max 2500 characters. |
aspectRatio | string | No | Aspect ratio ('16:9', '9:16', '1:1'). Defaults to '16:9'. |
duration | 5 | 10 | No | Video length in seconds. Defaults to 5. |
providerOptions.klingai.mode | 'std' | 'pro' | No | 'std' for standard quality. 'pro' for professional quality. Defaults to 'std'. |
providerOptions.klingai.negativePrompt | string | No | What to avoid in the video. Max 2500 characters. |
providerOptions.klingai.sound | 'on' | 'off' | No | Generate audio. Defaults to 'off'. Requires v2.6+. |
providerOptions.klingai.cfgScale | number | No | Prompt adherence (0-1). Higher = stricter. Defaults to 0.5. Not supported on v2.x. |
providerOptions.klingai.watermarkInfo | object | No | Set { enabled: true } to generate watermarked result. |
providerOptions.klingai.pollIntervalMs | number | No | How often to check task status. Defaults to 5000. |
providerOptions.klingai.pollTimeoutMs | number | No | Maximum wait time. Defaults to 600000 (10 minutes). |
klingai-text-to-video.ts
import { experimental_generateVideo as generateVideo } from 'ai';
import fs from 'node:fs';
const result = await generateVideo({
model: 'klingai/kling-v2.6-t2v',
prompt: 'A chicken flying into the sunset in the style of 90s anime',
aspectRatio: '16:9',
duration: 5,
providerOptions: {
klingai: {
mode: 'std',
},
},
});
fs.writeFileSync('output.mp4', result.videos[0].uint8Array);Control camera movement during video generation.
| Parameter | Type | Required | Description |
|---|---|---|---|
providerOptions.klingai.cameraControl.type | string | Yes | Camera movement type. See options below. |
providerOptions.klingai.cameraControl.config | object | No | Movement configuration. Required when type is 'simple'. |
Camera movement types:
| Type | Description | Config required |
|---|---|---|
'simple' | Basic movement with one axis | Yes |
'down_back' | Camera descends and moves backward | No |
'forward_up' | Camera moves forward and tilts up | No |
'right_turn_forward' | Rotate right then move forward | No |
'left_turn_forward' | Rotate left then move forward | No |
Simple camera config options (use only one, set others to 0):
| Config | Range | Description |
|---|---|---|
horizontal | [-10, 10] | Camera translation along x-axis. Negative = left. |
vertical | [-10, 10] | Camera translation along y-axis. Negative = down. |
pan | [-10, 10] | Camera rotation around y-axis. Negative = left. |
tilt | [-10, 10] | Camera rotation around x-axis. Negative = down. |
roll | [-10, 10] | Camera rotation around z-axis. Negative = counter-clockwise. |
zoom | [-10, 10] | Focal length change. Negative = narrower FOV. |
camera-control.ts
import { experimental_generateVideo as generateVideo } from 'ai';
import fs from 'node:fs';
const result = await generateVideo({
model: 'klingai/kling-v2.6-t2v',
prompt: 'A serene mountain landscape at sunset',
aspectRatio: '16:9',
providerOptions: {
klingai: {
mode: 'std',
cameraControl: {
type: 'simple',
config: {
zoom: 5,
horizontal: 0,
vertical: 0,
pan: 0,
tilt: 0,
roll: 0,
},
},
},
},
});
fs.writeFileSync('output.mp4', result.videos[0].uint8Array);Wan (by Alibaba) offers text-to-video with prompt enhancement and multiple resolution options. Use resolution parameter (e.g., '1280x720'), not aspectRatio.
| Model | Description |
|---|---|
alibaba/wan-v2.6-t2v | Latest model with 720p and 1080p support |
alibaba/wan-v2.5-t2v-preview | Preview model with 480p, 720p, and 1080p |
| Parameter | Type | Required | Description |
|---|---|---|---|
prompt | string | Yes | Text description of the video to generate |
resolution | string | No | Resolution (e.g., '1280x720', '1920x1080') |
duration | number | No | Video length in seconds |
providerOptions.alibaba.promptExtend | boolean | No | Automatically enhance the prompt. Defaults to false |
providerOptions.alibaba.pollIntervalMs | number | No | How often to check task status. Defaults to 5000 |
providerOptions.alibaba.pollTimeoutMs | number | No | Maximum wait time. Defaults to 600000 (10 minutes) |
wan-text-to-video.ts
import { experimental_generateVideo as generateVideo } from 'ai';
import fs from 'node:fs';
const result = await generateVideo({
model: 'alibaba/wan-v2.6-t2v',
prompt: 'A chicken flying into the sunset in the style of 90s anime',
resolution: '1280x720',
duration: 5,
providerOptions: {
alibaba: {
promptExtend: true,
},
},
});
fs.writeFileSync('output.mp4', result.videos[0].uint8Array);Grok Imagine Video (by xAI) generates videos from text prompts with support for multiple aspect ratios and resolutions. Duration ranges from 1-15 seconds.
| Model | Duration | Aspect Ratios | Resolution |
|---|---|---|---|
xai/grok-imagine-video | 1-15s | 1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3 | 480p, 720p |
| Parameter | Type | Required | Description |
|---|---|---|---|
prompt | string | Yes | Text description of the video to generate |
aspectRatio | string | No | Aspect ratio ('16:9', '9:16', '1:1', '4:3', '3:4', '3:2', '2:3'). Defaults to '16:9' |
duration | number | No | Video length in seconds (1-15) |
resolution | string | No | Resolution ('854x480' for 480p, '1280x720' for 720p). Defaults to 480p |
providerOptions.xai.resolution | '480p' | '720p' | No | Native resolution format. Alternative to standard resolution parameter |
providerOptions.xai.pollIntervalMs | number | No | How often to check task status. Defaults to 5000 |
providerOptions.xai.pollTimeoutMs | number | No | Maximum wait time. Defaults to 600000 (10 minutes) |
grok-imagine-video.ts
import { experimental_generateVideo as generateVideo } from 'ai';
import fs from 'node:fs';
const result = await generateVideo({
model: 'xai/grok-imagine-video',
prompt: 'A chicken flying into the sunset in the style of 90s anime',
aspectRatio: '16:9',
duration: 5,
providerOptions: {
xai: {
pollTimeoutMs: 600000,
},
},
});
fs.writeFileSync('output.mp4', result.videos[0].uint8Array);Video generation can take several minutes. Set pollTimeoutMs to at least 10
minutes (600000ms) for reliable operation. Generated video URLs are ephemeral
and should be downloaded promptly.
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