NewLTX-2 Open Source Release

LTX-2 - AI Video Generation Reimagined

LTX-2 is an open-source AI video generation model that creates synchronized audio and video, delivering native 4K at 48fps.
Built for creators, studios, and developers who demand professional quality without compromise.

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Why LTX-2 is Different from Other AI Video Models

LTX-2 represents a fundamental shift in AI video generation. While most models treat audio as an afterthought or separate process, LTX-2 generates synchronized audio and video in a single coherent workflow. This next-generation approach combines 4K visual fidelity, real-time performance, and production-ready outputs with the accessibility of open-source technology. The LTX-2 model is specifically engineered for creators who need professional quality without enterprise-level infrastructure costs.

  • Synchronized Audio-Video Generation
    Unlike traditional models that add sound as post-processing, LTX-2 generates audio and video simultaneously. Motion, dialogue, ambient sound, and music flow together naturally, creating coherent storytelling that feels authentic. This unified approach eliminates the uncanny valley effect common in AI-generated content.
  • Native 4K at 48fps
    LTX-2 delivers true broadcast-quality output with native 4K resolution at 48 frames per second. Extended generation supports up to 15 seconds of continuous, high-fidelity video with synchronized audio. No upscaling tricks, no quality compromises—just production-ready content straight from the model.
  • Open Source, Accessible Power
    LTX-2 runs efficiently on high-end consumer GPUs, delivering up to 50% lower compute costs than competing models. The open-source architecture empowers creators to customize, fine-tune, and integrate LTX-2 into existing workflows. Professional video generation is no longer locked behind expensive cloud services.
Benefits

Why Creators Choose LTX-2 for Professional Video Production

LTX-2 solves the core challenge facing content creators: how to produce high-quality, engaging video at scale without sacrificing creative control or breaking the budget. Traditional video production demands expensive equipment, specialized skills, and hours of editing. AI alternatives often compromise on quality or require costly cloud services. LTX-2 delivers professional broadcast quality with creative flexibility, running locally on accessible hardware while maintaining full control over every frame.

LTX-2 offers Fast, Pro, and Ultra modes to match your workflow. Fast mode delivers extreme speed for live previews and rapid ideation. Pro mode balances quality and turnaround for daily production. Ultra mode (coming soon) provides maximum 4K fidelity at 50fps for cinematic projects. Switch modes seamlessly as your project evolves from concept to final delivery.

Fast Iteration with Three Performance Modes
Frame-Level Creative Control
Production Pipeline Integration

LTX-2 Use Cases: From Content Creation to Professional Production

LTX-2 adapts to every stage of video production, from initial concept exploration to final broadcast delivery. Whether you're a solo creator building social media content, a marketing team producing product videos, or a studio crafting cinematic sequences, LTX-2 provides the quality and flexibility your projects demand.

Core Capabilities of LTX-2

Next-generation AI video generation combining synchronized audio-video, 4K fidelity, and production-ready performance.

Synchronized Audio-Video

Generate visuals and sound together in one coherent process. Motion, dialogue, ambient sound, and music flow naturally with perfect timing.

Native 4K at 48fps

Deliver true broadcast quality with native 4K resolution at 48 frames per second. Ultra mode supports up to 50fps for cinematic production.

Multi-Flow Performance

Three modes optimize for your needs: Fast for previews, Pro for production, Ultra for maximum fidelity. Switch seamlessly as projects evolve.

Creative Control

Multi-keyframe conditioning, 3D camera logic, and LoRA fine-tuning deliver frame-level precision and stylistic consistency.

Open Source Foundation

Access full model weights, training code, and example pipelines. Customize, extend, and integrate LTX-2 freely into your workflows.

Cost-Efficient Generation

Up to 50% lower compute costs than competing models. Runs on high-end consumer GPUs, democratizing professional video creation.

Performance

LTX-2 Delivers Production-Grade Performance

Benchmark-leading quality and efficiency metrics

Cost Efficiency

50%

Lower Compute Cost

Output Quality

4K

Native Resolution

Frame Rate

48fps

Smooth Motion

Capabilities

LTX-2 Performance Highlights

Comprehensive capabilities across audio-video sync, resolution, and creative control.

Audio-Video Synchronization

Unified Generation

LTX-2 generates audio and video simultaneously in a single coherent pass, eliminating timing mismatches common in post-processed audio. Motion, dialogue, ambient sound, and music flow naturally together for authentic storytelling.

4K Fidelity

Broadcast Quality

Native 4K resolution at 48fps with sharp textures and smooth motion. Ultra mode (coming soon) delivers up to 50fps for cinematic production, matching professional broadcast standards without upscaling or interpolation artifacts.

Extended Generation

15 Second Clips

LTX-2 supports longer continuous video generation up to 15 seconds with maintained quality and audio synchronization. Temporal consistency ensures coherent motion and narrative flow across extended sequences.

Multi-Flow Performance

Three Modes

Fast mode enables real-time previews and rapid iteration. Pro mode balances quality and speed for daily production. Ultra mode maximizes fidelity for final delivery. Switch modes seamlessly as creative needs evolve.

Creative Control

Frame Precision

Multi-keyframe conditioning guides exact compositions and timing. 3D camera logic simulates real camera movement. LoRA fine-tuning maintains brand consistency. Depth maps and reference videos provide granular control over every generation.

Open Ecosystem

Full Access

Model weights, training code, and documentation available on GitHub. Integrations with Fal, Replicate, ComfyUI, and major editing suites. API and SDK support for custom workflows. Built for experimentation and extension.
FAQ

Frequently Asked Questions About LTX-2

Everything you need to know about using LTX-2 for AI video generation and content creation.

1

What makes LTX-2 different from other AI video generation models?

LTX-2 stands apart by generating synchronized audio and video in a single unified process, not as separate post-processing steps. While competing models like Runway or Pika focus primarily on visual generation, LTX-2 creates motion, dialogue, ambient sound, and music simultaneously, ensuring perfect timing and coherence. Additionally, LTX-2 delivers native 4K at 48fps, runs efficiently on consumer hardware with 50% lower costs, and provides full open-source access for customization.

2

Can LTX-2 generate video from text prompts and images?

Yes, absolutely. LTX-2 supports both text-to-video and image-to-video generation. You can describe scenes with natural language prompts to create videos from scratch, or upload reference images to animate static content with motion and effects. The model also accepts depth maps, reference videos, and multi-keyframe inputs for precise creative control over composition, timing, and camera movement.

3

What hardware do I need to run LTX-2?

LTX-2 is optimized for high-end consumer GPUs, making professional video generation accessible without enterprise infrastructure. While exact requirements depend on the performance mode (Fast/Pro/Ultra), LTX-2's efficient architecture reduces compute costs by up to 50% compared to competing models. For cloud workflows, LTX-2 integrates with platforms like Fal, Replicate, and RunDiffusion for managed infrastructure.

4

How long are the videos generated by LTX-2?

LTX-2 supports video generation up to 15 seconds with synchronized audio in a single pass. The model maintains temporal consistency and audio-video synchronization throughout extended sequences, ensuring coherent motion and narrative flow. For longer content, you can chain multiple generations or use temporal outpainting to extend videos forward or backward while maintaining stylistic consistency.

5

Is LTX-2 truly open source?

Yes. LTX-2 will be released under an open license with full access to model weights, training code, and example pipelines via GitHub. This open approach empowers developers, researchers, and studios to customize the model, fine-tune it for specific styles, integrate it into proprietary workflows, and build derivative tools. The LTX-2 community can experiment freely without licensing restrictions or API usage fees.

6

How do the Fast, Pro, and Ultra modes differ in LTX-2?

Fast mode prioritizes speed for real-time previews, mobile workflows, and rapid ideation. Pro mode balances quality and turnaround, delivering strong fidelity suitable for most production work. Ultra mode (coming soon) maximizes fidelity for cinematic use cases, providing native 4K at up to 50fps with synchronized audio. You can switch modes seamlessly as projects evolve from initial concepts to final delivery.

7

Can I customize LTX-2 for my brand or visual style?

Yes, through LoRA fine-tuning. LTX-2 supports Low-Rank Adaptation (LoRA) to train custom adapters that maintain brand consistency, match specific artistic styles, or replicate IP characteristics across generations. This allows marketing teams, studios, and content creators to ensure stylistic coherence without retraining the entire model. Fine-tuned LoRAs integrate seamlessly into the generation pipeline.

8

How does LTX-2 integrate with existing video production tools?

LTX-2 provides robust APIs and SDKs for integration with editing suites (Adobe Premiere, DaVinci Resolve), VFX software (After Effects, Nuke), game engines (Unity, Unreal), and AI platforms (ComfyUI, Fal, Replicate). The API Playground lets teams test native 4K generation before full integration. LTX-2's output formats are compatible with industry-standard production pipelines, ensuring smooth workflows from generation to final delivery.

Start Creating with LTX-2

Transform your ideas into professional video content with synchronized audio and 4K quality.