Lightricks LTX 2.3 Text To Video Fast

Fast text-to-video generation for rapid iteration with extended duration options and optional audio.

Model Overview

LTX 2.3 Text-to-Video Fast is optimized for quick turnaround when exploring prompt ideas. It keeps core video controls while expanding duration presets for faster creative branching.

Best At

• Rapid text-to-video ideation and prompt testing.
• Building many short variants before selecting finalists.
• Early creative exploration with controllable framing and timing.

Limitations / Not Good At

• Prioritizes speed over maximum final-frame polish.
• Extended durations can be more sensitive to FPS/resolution pairing.
• Highly complex direction may still need several iterations.

Ideal Use Cases

• Previsualization and concept sprints.
• Quick internal review cuts from text briefs.
• A/B testing of style and narrative prompt variants.

Input & Output Format

• Input: required prompt; optional aspect_ratio, resolution, duration, fps, and generate_audio.
• Output: generated video URI returned on response.

Performance Notes

• Best used for high-throughput iteration.
• For final-quality exports, compare with the non-fast variant.
• Keep prompts concise and specific to reduce drift across runs.