LTX
Video generation API billed per second of output, with no request fees
LTX is the video generation API from Lightricks, built on the LTX-2 model family.
Endpoints cover text-to-video, image-to-video and audio-to-video, plus a retake endpoint that regenerates only part of an existing clip. Each model comes in a Fast variant for iteration and a Pro variant for higher fidelity.
Billing is per second of generated output, determined by duration, resolution and model, with no request or per-asset charges. LTX-2.5 Fast runs $0.09 per second at 720p, $0.13 at 1080p, $0.19 at 1440p and $0.30 at 4K; LTX-2.5 Pro is $0.12 at 720p and $0.17 at 1080p. The LTX-2 model weights are published on GitHub, though the hosted API is a commercial product.
Pricing: Usage-based
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LTX Alternatives
Explore 11 products in the Media Generation category. View all LTX alternatives.
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One API and one bill for 450+ image, video and audio generation models
Runway
Video, image and audio generation API with Runway's Gen models plus Veo, Seedance and Wan behind one key
Krea API
API for Krea's own Krea 2 image model and dozens of other image and video models, billed per generation
ModelsLab
Generation API for images, video, audio and 3D: open models on its own GPUs plus partner models per call
Black Forest Labs
API for the FLUX image models and FLUX 3 Video from the German lab that trains them, pay as you go
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