LTX-2 19B Text to Video

Create videos with audio from text prompts.

Prompt

"A cowboy walking through a dusty town at high noon, camera following from behind, cinematic depth, realistic lighting, western mood, 4K film grain."

Generated Result

Generated

Describe your scene and generate a video in seconds

8,500+ videos generated this month

📄 About LTX-2 19B Text to Video

LTX-2 19B Text to Video is a state-of-the-art AI model designed to revolutionize the way you create video content from text. Leveraging advanced generative technology, this model enables users to effortlessly transform written prompts into high-quality videos complete with synchronized audio. Whether you need cinematic storytelling, product showcase clips, or creative visualizations, LTX-2 19B brings your ideas to life with remarkable realism and detail. At its core, LTX-2 19B combines cutting-edge text-to-video generation with multi-scale support, ensuring superior coherence, depth, and visual fidelity across every frame. The model offers seamless audio synthesis, automatically adding voice, effects, or ambient sound to enhance the viewer's experience. With flexible controls, users can fine-tune every aspect of their video, including frame count (9 to 481 frames), frames per second (1–60 fps), and a range of video sizes from square to landscape and portrait formats. Customization is at the forefront of this AI tool. Users can apply negative prompts to avoid unwanted elements such as blurriness or artifacts, enabling precise control over the generated content. The guidance scale and inference steps allow for further refinement, balancing creativity with accuracy. For faster results or higher quality, adjustable acceleration and video quality options are provided, supporting formats like MP4 (X264), WebM (VP9), MOV (ProRes 4444), and GIF. Multi-scale generation ensures that videos maintain consistent detail from the broadest scenes to the smallest textures, while prompt expansion (optional) can help generate richer and more nuanced outputs. The safety checker helps ensure generated content adheres to usage guidelines, making it suitable for professional and educational environments. LTX-2 19B is ideal for content creators, filmmakers, marketers, educators, and digital artists seeking to produce visually compelling and unique video content quickly. Imagine generating cinematic movie scenes, explainer videos, creative advertisements, or social media content with just a few lines of text. The model's flexibility, speed, and quality empower users to push creative boundaries and streamline production workflows. In summary, LTX-2 19B Text to Video brings together advanced AI-driven video synthesis, customizable parameters, and integrated audio generation, making it a powerful tool for anyone looking to create high-impact video content from text. With a user-friendly interface and robust feature set, this model transforms your creative ideas into stunning, shareable videos in minutes.

✨ Key Features

Advanced text-to-video generation with integrated audio synthesis for immersive content creation.

Multi-scale support ensures high coherence and detailed visuals across all frames.

Flexible customization of video size, frame count, FPS, video quality, and output formats (MP4, WebM, MOV, GIF).

Negative prompting allows users to filter out unwanted visual and audio artifacts for cleaner results.

Adjustable guidance scale, inference steps, and acceleration levels to balance creativity, speed, and quality.

Optional prompt expansion for richer and more nuanced video outputs.

Built-in safety checker to help ensure appropriate and compliant content generation.

💡 Use Cases

⚡Creating cinematic scenes and storytelling videos from written scripts or prompts.

⚡Producing high-impact marketing and promotional videos with minimal resources.

⚡Generating educational videos and explainer content for online courses or presentations.

⚡Developing social media content and creative ads tailored to specific themes or campaigns.

⚡Rapid prototyping of video concepts for filmmakers and digital artists.

⚡Enhancing product showcases or demos with visually engaging video content.

⚡Designing unique GIFs or animated visuals for web and digital platforms.

🎯 Best For

🎯 Content creators, filmmakers, marketers, educators, and digital artists seeking fast, high-quality text-to-video generation.

👍 Pros

✓Generates both video and synchronized audio from simple text prompts.

✓Highly customizable with fine-grained control over visual and audio output.

✓Supports multiple video formats and quality settings for versatile use cases.

✓Multi-scale generation produces coherent, detailed, and cinematic results.

✓Negative prompting and safety checker help ensure clean, usable outputs.

✓Efficient pay-as-you-go credit system offers flexibility for different project needs.

⚠️ Considerations

△Requires thoughtful prompting for optimal video quality and accuracy.

△Generation time may vary based on complexity and settings.

△May require additional editing for highly specialized audio or complex scenes.

△Prompt expansion is optional and not enabled by default.

📚 How to Use LTX-2 19B Text to Video

Enter your desired video description or script in the text prompt area.

Optionally, add a negative prompt to exclude unwanted elements from your video.

Select your preferred video size, number of frames, frames per second, and video quality.

Choose if you want to generate audio and enable multi-scale generation for best results.

Adjust advanced settings such as guidance scale, inference steps, and acceleration as needed.

Submit your prompt and download or share your generated video once processing is complete.

💡 Pro Tips for LTX-2 19B Text to Video

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Write Detailed Scene Descriptions LTX-2 19B performs best with rich, specific prompts that include scene setting, action, camera movement, lighting, and mood. Instead of 'a person walking,' try 'a woman in a red coat walking through a foggy park at dawn, camera tracking from the side, soft golden light filtering through trees.' This level of detail helps the model generate coherent, cinematic footage with proper depth and atmosphere.

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Use Negative Prompts Strategically The default negative prompt is comprehensive, but you can customize it for your specific needs. If you're generating product videos, add terms like 'text overlay, watermarks, logos' to the negative prompt. For character-focused scenes, emphasize 'distorted facial features, asymmetrical face, uncanny valley.' This filtering ensures cleaner, more professional outputs that require less post-production editing.

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Balance Frame Count and Quality For social media clips, 121 frames at 25 fps (about 5 seconds) offers a sweet spot between generation time and usability. Longer sequences (241-481 frames) work well for B-roll or establishing shots but take longer to generate. If you need quick iterations, consider LTX 2.3 Text to Video Fast for faster turnaround with slightly reduced quality.

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Enable Multi-Scale for Complex Scenes Always keep multi-scale generation enabled (default: True) for scenes with depth, multiple subjects, or intricate details. This feature ensures consistency from wide establishing shots to close-ups. Disable it only for simple, abstract, or single-subject videos where processing speed is more important than visual coherence. The quality difference is particularly noticeable in outdoor scenes with varied depth.

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Choose the Right Output Format MP4 (X264) is ideal for social media and web use, offering broad compatibility and small file sizes. WebM (VP9) provides better compression for websites. ProRes 4444 (.mov) is essential for professional editing workflows requiring transparency or color grading. GIF works for short loops under 3 seconds. For professional video projects, compare with Runway Gen-4.5 which offers additional post-production controls.

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Adjust Guidance Scale for Style Control The default guidance scale of 3 balances creativity and prompt adherence. Increase to 5-7 for literal interpretations of your prompt, useful for product demos or instructional content. Lower to 2-3 for more artistic, interpretive results. Pair with 40-50 inference steps for maximum quality. For faster experimental iterations, try Seedance 2.0 Fast Text to Video with lower step counts.

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Frequently Asked Questions

LTX-2 19B Text to Video is an advanced AI model that transforms written text prompts into high-quality videos with synchronized audio. It uses multi-scale generation and customizable controls to produce cinematic, coherent, and detailed video content tailored to your specifications.

Yes, you can fully customize your video by adjusting frame count, FPS, video size, output format, video quality, and more. Negative prompts and advanced parameters give you precise control over both visual and audio elements.

The model can automatically synthesize audio for your video, including voice, sound effects, or ambient noise, depending on your prompt and settings. You can enable or disable audio generation as needed.

Pricing varies by model and is based on a pay-as-you-go credit system. This allows you to pay only for the resources you use, with no upfront commitment or subscription required.

The model includes a built-in safety checker designed to help filter out inappropriate or non-compliant content, making it suitable for professional and educational use. However, users should review outputs to ensure they meet specific guidelines.

LTX-2 19B uses a pay-per-generation credit system where costs scale with video length, resolution, and quality settings. A standard 121-frame video at landscape 4:3 with high quality typically consumes moderate credits. For budget-conscious projects, LTX 2.3 Text to Video Fast offers lower per-generation costs with faster processing. Premium models like Runway Gen-4.5 cost more but provide advanced motion controls. Maximum quality settings (481 frames, ProRes output) will consume more credits than standard MP4 exports. You only pay for successful generations, and you can preview credit costs before submitting. No subscription is required—credits never expire.

Yes, all videos generated with paid credits on JAI Portal come with full commercial-use rights. You can use LTX-2 19B outputs in advertisements, product videos, social media campaigns, client projects, YouTube monetization, and any commercial application without additional licensing fees. The model's integrated audio synthesis is also cleared for commercial use. Always review your outputs to ensure they meet your brand guidelines and don't inadvertently replicate copyrighted material from the training data. For enterprise workflows requiring batch generation or API access, JAI Portal supports programmatic integration. If you need specific legal documentation for commercial use, contact JAI Portal support for licensing certificates.

LTX-2 19B supports seven preset video sizes: Square HD (1:1 high resolution), Square (1:1 standard), Portrait 4:3, Portrait 9:16 (ideal for Instagram Stories, TikTok, YouTube Shorts), Landscape 4:3 (classic film ratio), Landscape 16:9 (standard widescreen for YouTube, presentations), and Custom (user-defined dimensions). All presets maintain high visual fidelity with multi-scale generation. The model outputs at resolutions optimized for each aspect ratio, ensuring sharp details without distortion. Frame counts from 9 to 481 allow videos from under 1 second to 19+ seconds at 25 fps. For mobile-first vertical content, Portrait 9:16 is recommended. Compare with Kling Video v3 Pro Text to Video for alternative aspect ratio handling.

LTX-2 19B automatically synthesizes audio based on your text prompt when 'generate_audio' is enabled (default: True). The AI interprets your scene description to create matching ambient sounds, effects, or voiceovers. For example, a prompt describing 'ocean waves crashing' will generate realistic wave sounds; 'busy city street' produces traffic and crowd noise. Audio sync is handled automatically to match visual action. You can disable audio generation if you plan to add custom soundtracks in post-production or need silent clips. The model does not support separate audio prompts—audio is derived from your main video prompt. For dialogue-heavy or narration-focused content, consider JAI Portal AI Video Agent which offers more control over voice and script synchronization.

If you encounter blurriness, flickering, or distorted elements, first refine your negative prompt to explicitly exclude those issues. Add specific terms like 'flickering, motion blur, jittery movement' to the negative prompt field. Increase the number of inference steps from 40 to 50 for better refinement, and ensure multi-scale generation is enabled. Lower guidance scale (2-3) can reduce over-saturation and artifacts. If faces appear distorted, add 'deformed facial features, asymmetrical face, uncanny valley' to negatives. For persistent issues with complex scenes, try breaking your concept into simpler prompts or use Seedance 2.0 Text to Video which handles certain scene types differently. Regenerate with a different seed value for variation. Check that your prompt isn't contradictory (e.g., 'daytime' and 'moonlight').

⚖️ How LTX-2 19B Text to Video Compares

LTX-2 19B Text to Video stands out on JAI Portal for its balanced combination of quality, integrated audio synthesis, and extensive customization options. Compared to LTX 2.3 Text to Video Fast, this model prioritizes visual fidelity and coherence over speed, making it ideal for final production work rather than rapid prototyping. The 19-billion-parameter architecture delivers more nuanced scene understanding and better multi-scale consistency than lighter alternatives. For users who need cutting-edge motion control and cinematic camera work, Runway Gen-4.5 offers advanced features at a higher credit cost, while Kling Video v3 Pro Text to Video excels at photorealistic human subjects. If your priority is generating user-generated content style videos with a casual, authentic feel, JAI Portal UGC Video Generator is purpose-built for that aesthetic. LTX-2 19B is the best choice when you need professional-grade output with synchronized audio, full format flexibility (MP4, WebM, ProRes, GIF), and precise control over every generation parameter—all without subscription lock-in. The model's multi-scale generation ensures consistent quality from wide shots to close-ups, making it reliable for commercial projects, marketing videos, and content that requires minimal post-production. Try LTX-2 19B alongside alternatives using JAI Portal's side-by-side comparison feature, or start generating with pay-as-you-go credits at jaiportal.com/auth/signup.

LTX-2 19B Text to Video

Prompt

Generated Result

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