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# LTX 2.5 Fast vs Pro — Try Online (2026)

> Compare LTX 2.5 Fast and LTX 2.5 Pro in Clip Studio Video Lab. 720p–4K Fast vs 720p/1080p Pro, both 6–10s with first/last frames and fps control.

Canonical page: https://clipstudio.ai/ai-video-models/ltx-2-5-fast-vs-ltx-2-5

## Intent

Fast is the quicker LTX 2.5 SKU with 1440p, 4K, and 48 fps. Pro stays 720p/1080p with 24, 25, or 50 fps.

## Verdict

LTX 2.5 Fast and LTX 2.5 Pro both generate 6, 8, or 10 second 16:9 or 9:16 shots with optional audio and first/last frames. Fast lists 720p, 1080p, 1440p, or 4K and 24, 25, 48, or 50 fps. Pro lists 720p or 1080p and 24, 25, or 50 fps. Choose Fast for 4K, 1440p, or 48 fps; choose Pro when 1080p is enough.

## Spec table

| Spec | LTX 2.5 Fast | LTX 2.5 Pro |
| --- | --- | --- |
| Duration | 6, 8, or 10 seconds | 6, 8, or 10 seconds |
| Resolution | 720p, 1080p, 1440p, 4K | 720p, 1080p |
| Aspect ratios | 16:9, 9:16 | 16:9, 9:16 |
| Audio | Optional generated audio | Optional generated audio |
| Modes | Text prompt, Animate image, First → last | Text prompt, Animate image, First → last |
| References | Not available | Not available |
| Advanced controls | Frame rate | Frame rate |
| Frame rate | 24 fps, 25 fps, 48 fps, 50 fps | 24 fps, 25 fps, 50 fps |

## FAQs

### Does LTX 2.5 Pro go to 4K like Fast?

No. 2.5 Pro lists 720p or 1080p. Fast lists 720p, 1080p, 1440p, or 4K. LTX 2.3 Pro also covers 1440p and 4K.

### Which frame rates does each support?

Fast lists 24, 25, 48, and 50 fps. Pro lists 24, 25, and 50 fps.

### Do both support first and last frames?

Yes. Both support a starting image or first and last frames.

### How is this pair priced?

Each Clip Studio plan includes a monthly generation allowance. Fast uses less of that allowance per second than 2.5 Pro at the same resolution. See the pricing page for plan details.


## Related

- [LTX 2.5 Fast](https://clipstudio.ai/ai-video-models/ltx-2-5-fast.md)
- [LTX 2.5 Pro](https://clipstudio.ai/ai-video-models/ltx-2-5.md)
- [Video Lab](https://clipstudio.ai/video-lab.md)
- [All models](https://clipstudio.ai/ai-video-models.md)
- [LTX 2.3 Pro vs Wan 2.7](https://clipstudio.ai/ai-video-models/ltx-2-3-vs-wan-2-7.md)
- [Kling 3 4K vs Kling 3 Pro](https://clipstudio.ai/ai-video-models/kling-3-4k-vs-kling-3-pro.md)
- [Wan 3.0 Prime vs Wan 3.0](https://clipstudio.ai/ai-video-models/wan-3-0-prime-vs-wan-3-0.md)
- [FLUX 3 vs PixVerse V6](https://clipstudio.ai/ai-video-models/flux-3-vs-pixverse-v6.md)