AI Video Models with Audio & Sound: 8 Models Compared
Which AI video models generate native sound? Compare dialogue, sound effects, and music generation across 8 models.
Most AI video generators produce silent clips, requiring you to add sound effects, music, and dialogue in post-production. But a growing number of models now generate native audio alongside the video, including synchronized sound effects, ambient audio, and even spoken dialogue. This comparison covers the 8 AI video models that support audio generation.
Veo 3.1 from Google, Sora 2 Pro from OpenAI, and Grok Imagine Video from xAI lead the pack with the most natural audio generation, including realistic dialogue and environmental sounds. Sora 2 Pro offers up to 12-second clips with synchronized dialogue and lip-syncing. Kling v3 Pro and Kling O3 families produce solid sound effects and ambient audio. Kling v3 Standard and LTX 2.3 offer basic audio capabilities at lower price points.
On Melies, audio generation is available as an option when using supported models. Generate a video with and without audio to compare, and only pay the audio credit premium when you need sound.
Updated April 2026
Quick Recommendation
For most users, start with LTX 2.3 (50 credits) — it's the best value. Need speed? Grok Imagine Video is the fastest option. For maximum quality, Veo 3.1 (400 credits) delivers the best results. All models are available on Melies with shared credits.
Video Model Specs: Side-by-Side Comparison
| Model | Released | Cost ↓ | Speed | Duration | Img input | Audio |
|---|---|---|---|---|---|---|
 Veo 3.1 | Oct 2025 | 400 | Slower | 8 seconds | ||
 Sora 2 Pro | Sep 2025 | 200 | Slower | 12 seconds | ||
 Kling v3 Pro | Feb 2026 | 100 | Medium | 15 seconds | ||
 Grok Imagine Video | Mar 2026 | 80 | Fast | 10 seconds | ||
| Kling O3 Standard | Feb 2026 | 80 | Medium | 15 seconds | ||
| Kling v3 Standard | Feb 2026 | 60 | Medium | 15 seconds | ||
 LTX 2.3 | Mar 2026 | 50 | Fast | 10 seconds |
Each Model at a Glance
Veo 3.1
Google400Google's most advanced video model with native audio, 4K resolution, and reference image support.
Sora 2 Pro
OpenAI200OpenAI's flagship video model with native synchronized audio and cinematic quality.
Grok Imagine Video
xAI80xAI's #1 ranked video model with native audio, fast generation, and cinematic quality.
Kling v3 Pro
Kuaishou100Premium Kling model with multi-shot sequences, voice IDs, and up to 15s duration.
Kling O3 Standard
Kuaishou80Kling's latest O3 image-to-video model with character elements, multi-shot sequences, and voice support.
LTX 2.3
Lightricks50Lightricks' latest model with 4K output, native audio, and a sharper VAE.
Kling v3 Standard
Kuaishou60Kling's image-to-video model with custom character elements and end-frame control.
Which AI Video Model Should You Pick?
Best value for everyday use
At 50 credits, LTX 2.3 gives you the most generations per plan. High-resolution video, fast generation, 4K output, open-source workflows.
Maximum quality, no budget concerns
Veo 3.1 at 400 credits delivers the highest quality. Highest quality video with sound, cinematic 4K output.
Rapid iteration and testing
Grok Imagine Video has the fastest generation speed — great for testing prompts and iterating quickly.
Video with sound effects or dialogue
LTX 2.3 generates native audio alongside video — no post-production sound editing needed.
Animating a still image
Upload a photo or AI image and bring it to life. LTX 2.3 at 50 credits is the most affordable option with image input.
Longer clips for storytelling
Supports up to 15-second clips — enough for complete scenes and narratives.
Frequently Asked Questions
Try All 7 Models on Melies
Veo 3.1, Sora 2 Pro, Grok Imagine Video and more — all in one workspace. Switch models with one click, compare results side by side. Free credits included.
