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Ltx 2.3 Quality

All video to video models

Generate HDR from reference video using LTX-2.3

Inference$ Commercial useFrom 7 credits per run

About Ltx 2.3 Quality

Generate HDR from reference video using LTX-2.3

Pricing

A run with the default settings costs 7 credits. The exact cost updates in the playground as you change settings, and you're only charged when you press Run. Failed runs are refunded automatically.

Inputs

prompttextarearequired

The prompt to guide generation.

video_urlfilerequired

SDR input video to lift into HDR. This mode is video-conditioned.

num_framesintegerdefault: 121

The number of frames to generate.

resolutionselectdefault: "auto"

Output video size. The output is generated at up to ~720p (shorter side capped at 704px); larger requested sizes are scaled down, preserving the aspect ratio.

Options: auto

frames_per_secondnumberdefault: 24

Frames per second of the generated video.

num_inference_stepsintegerdefault: 15

Number of inference steps. Defaults to 15 and can be increased up to 30.

guidance_scalenumberdefault: 1

Classifier-free guidance scale. The default is tuned for fast, high-quality generation.

generate_audiobooleandefault: true

Whether to include audio in the returned video. When disabled, the final MP4 is returned without an audio track.

negative_prompttextareadefault: "color distortion, overexposure, static, blurry details, subtitles, style, artwork, painting, frame, still, dim overall tone, worst quality, low quality, JPEG compression artifacts, ugly, mutilated, extra fingers, poorly drawn hands, poorly drawn face, deformed, disfigured, malformed limbs, fused fingers, motionless frame, cluttered background, three legs, crowded background, walking backwards"

The negative prompt to steer generation away from.

seedinteger

Random seed for reproducibility. If None, a random seed is chosen.

enable_prompt_expansionbooleandefault: true

Whether to enable prompt expansion.

enable_safety_checkerbooleandefault: true

Whether to enable the safety checker.

video_qualityselectdefault: "high"

The quality preset of the generated video.

Options: low, medium, high

video_write_modeselectdefault: "balanced"

The write mode of the generated video.

Options: fast, balanced, small

sync_modebooleandefault: false

If True, the media is returned as a data URI inline in the response. Useful for short-lived requests and tests.

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