LTX-2.5
Official · BF16 · safetensors
Runtime certified: Ltx-video Diffusers Comfyui
| Precision / quantization | Format | Bits | Publisher trust | Deployment state |
|---|---|---|---|---|
| BF16 | safetensors | 16 | Official | Runtime certified |
LTX Video · General · LTX-2.5
LTX-2.5: Specs, GPU requirements, hosting & deployment
LTX-2.5 is a current Video Generation release in the LTX Video family, certified from its immutable official source revision.
Total parameters19.0B
Active parametersN/A / Not directly comparable
Context windowN/A / Not directly comparable
Release statusCurrent · Current
ArchitectureAudio-video diffusion transformer
ModalitiesText, Image, Audio, Video
LicenseLTX-2 Community License
Deployment stateDeployable with certified configuration
Commercial stateCommercial Use Allowed With Conditions
Release date2026-07-23
Architecture, strengths and use cases
LTX-2.5 is an official self-hostable Lightricks Video generation release. It uses Audio-video diffusion transformer with 19B. Exact checkpoint, license, runtime, and hardware evidence is tied to the verified upstream revision.
LTX-2.5 uses Audio-video diffusion transformer with 19B. Pipeline and configuration fields are reported only where the official source publishes them.
Verified Audio-video diffusion transformer architecture
Official checkpoint and pipeline evidence
Official BF16, Unknown checkpoint coverage
Self-hosted Video generation workloads
Controlled model evaluation
Production deployment planning
Certified checkpoints and quantizations
Only exact, source-certified variants attached to this release are shown.
Recommended hardware
Use only the listed runtime configurations with the exact checkpoint precision. Hardware sizing considers resident pipeline memory, runtime overhead, input and output dimensions, batch size, and safety headroom.
Estimated weight memory36.45 GB
Runtime overhead20.72 GB
Total with safety margin70.89 GB
Recommended best value
1× NVIDIA H200 SXM 141GB
141 GB total VRAM · nvswitch
70.11 GB headroom · Limited capacity
USD 2,345 / monthLowest-cost viable
3× NVIDIA L4 24GB
72 GB total VRAM · pcie
1.11 GB headroom · Available
USD 750 / monthHighest performance
1× NVIDIA H200 SXM 141GB
141 GB total VRAM · nvswitch
70.11 GB headroom · Limited capacity
USD 2,345 / monthLicense and self-hosting considerations
The exact pipeline and selected precision must fit on the chosen GPUs. Requirements vary with resolution, duration, batch size, modalities, and runtime; language-model KV-cache rules are not applied.
LTX-2.5 is published under LTX-2 Community License. The release-scoped official license link and verification date are retained with the catalogue record.
Commercial Use Allowed With Conditions. Commercial use is conditional. Review the linked official terms before deployment.
Alternatives and sibling variants
LTX-2.5, LTX-2.5-22b-IC-LoRA-Pixel-Spatial-Upscaler
Release timeline
lightricks/ltx-video/ltx-video-2-5
Source details
Source revision: 3f87364b186081d5376a3de07004224ec2ad7380b2dd94ea89e3ed6023686e5f
Frequently asked questions
How much VRAM does LTX-2.5 require?
The estimate uses the certified checkpoint, precision, runtime, workload dimensions, batch size, and domain-specific overhead.
Which runtimes support LTX-2.5?
Certified upstream runtime evidence is available for ltx-video, diffusers, comfyui.
Can LTX-2.5 be used commercially?
The stored commercial classification is Commercial Use Allowed With Conditions. Consult the official LTX-2 Community License terms for the final obligations.
Official references
Last verified: 2026-08-31