fal-text-to-video

这段内容是审核时保存的快照。外部来源才是完整且最新的版本。

---
name: fal-text-to-video
description: |
  Complete fal.ai text-to-video system.
  PROACTIVELY activate for: (1) Kling 2.0/2.5/2.6 Pro video generation, (2) Sora 2 for creative videos, (3) LTX Video with audio, (4) Runway Gen-3 Turbo for fast iteration, (5) Luma Dream Machine, (6) Video duration and aspect ratio, (7) Motion prompt engineering, (8) Camera movement keywords.
  Provides: Model endpoints, quality tiers, prompt structure, duration options.
  Ensures cinematic video generation with proper motion description.
---

## Quick Reference

| Model | Endpoint | Duration | Audio | Speed |
|-------|----------|----------|-------|-------|
| Kling 2.6 Pro | `fal-ai/kling-video/v2.6/pro/text-to-video` | 5-10s | Yes | Slow |
| Sora 2 | `fal-ai/sora` | 5-20s | Optional | Slow |
| LTX-2 Pro | `fal-ai/ltx-2-pro` | 5s | Yes | Medium |
| Runway Turbo | `fal-ai/runway-gen3/turbo/text-to-video` | 5-10s | No | Fast |
| Luma | `fal-ai/luma-dream-machine` | 5s | No | Medium |

| Aspect Ratio | Value | Use Case |
|--------------|-------|----------|
| Landscape | `"16:9"` | Standard video |
| Portrait | `"9:16"` | Social/mobile |
| Square | `"1:1"` | Social posts |

| Prompt Structure | Example |
|------------------|---------|
| Subject + Action | "A woman walks" |
| + Setting | "through a forest" |
| + Style | "cinematic lighting" |
| + Camera | "tracking shot" |

## When to Use This Skill

Use for **text-to-video generation**:
- Creating videos from text descriptions
- Choosing models by quality/speed tier
- Crafting motion-oriented prompts
- Generating videos with native audio
- Preview workflow (fast) → Final (quality)

**Related skills:**
- For image-to-video: see `fal-image-to-video`
- For video editing: see `fal-video-to-video`
- For model comparison: see `fal-model-guide`

---

# fal.ai Text-to-Video Models

Complete reference for all text-to-video generation models on fal.ai.

## Kling Video Models

### Kling 2.0 Standard
**Endpoint:** `fal-ai/kling-video/v2.0/text-to-video`
**Best For:** Good quality, cost-effective

```typescript
import { fal } from "@fal-ai/client";

const result = await fal.subscribe("fal-ai/kling-video/v2.0/text-to-video", {
  input: {
    prompt: "A majestic eagle soaring over snow-capped mountains at golden hour, cinematic lighting",
    duration: "5",  // "5" or "10" seconds
    aspect_ratio: "16:9",
    negative_prompt: "blurry, distorted, low quality"
  }
});

console.log(result.video.url);
```

```python
import fal_client

result = fal_client.subscribe(
    "fal-ai/kling-video/v2.0/text-to-video",
    arguments={
        "prompt": "A majestic eagle soaring over mountains",
        "duration": "5",
        "aspect_ratio": "16:9",
        "negative_prompt": "blurry, distorted"
    }
)
print(result["video"]["url"])
```

### Kling 2.5 Pro
**Endpoint:** `fal-ai/kling-video/v2.5/pro/text-to-video`
**Best For:** Professional quality videos

```typescript
const result = await fal.subscribe("fal-ai/kling-video/v2.5/pro/text-to-video", {
  input: {
    prompt: "A luxury car driving through a mountain road, drone shot, cinematic",
    duration: "5",
    aspect_ratio: "16:9",
    negative_prompt: "shaky, amateur, blurry"
  }
});
```

### Kling 2.6 Pro (Latest)
**Endpoint:** `fal-ai/kling-video/v2.6/pro/text-to-video`
**Best For:** Highest quality with native audio generation

The latest Kling model with built-in audio generation.

```typescript
const result = await fal.subscribe("fal-ai/kling-video/v2.6/pro/text-to-video", {
  input: {
    prompt: "Ocean waves crashing on rocky cliffs at sunset, seagulls flying, ambient sounds",
    duration: "5",
    aspect_ratio: "16:9",
    negative_prompt: "static, boring, low quality"
  }
});

console.log(result.video.url);
console.log(result.audio?.url);  // Native audio included
```

**Kling Parameters:**

| Parameter | Type | Values | Description |
|-----------|------|--------|-------------|
| `prompt` | string | - | Video description |
| `duration` | string | "5", "10" | Du