Head-to-head · Video Lab
LTX 2.5 Fast vs LTX 2.5 Pro
Fast is the quicker LTX 2.5 SKU with 1440p, 4K, and 48 fps. Pro stays 720p/1080p with 24, 25, or 50 fps.
Specs from the live Video Lab catalog · Last reviewed 20 September 2026. No invented scores.
Sourced output
Sample frames from each model.
Catalog specs
Side-by-side from Video Lab.
Duration, resolution, aspect ratios, audio, modes, and controls come from the live model catalog—not from a ranked shoot-out.
Spec
LTX 2.5 Fast
LTX 2.5 Pro
Duration
LTX 2.5 Fast
6, 8, or 10 seconds
LTX 2.5 Pro
6, 8, or 10 seconds
Resolution
LTX 2.5 Fast
720p, 1080p, 1440p, 4K
LTX 2.5 Pro
720p, 1080p
Aspect ratios
LTX 2.5 Fast
16:9, 9:16
LTX 2.5 Pro
16:9, 9:16
Audio
LTX 2.5 Fast
Optional generated audio
LTX 2.5 Pro
Optional generated audio
Modes
LTX 2.5 Fast
Text prompt, Animate image, First → last
LTX 2.5 Pro
Text prompt, Animate image, First → last
References
LTX 2.5 Fast
Not available
LTX 2.5 Pro
Not available
Advanced controls
LTX 2.5 Fast
Frame rate
LTX 2.5 Pro
Frame rate
Frame rate
LTX 2.5 Fast
24 fps, 25 fps, 48 fps, 50 fps
LTX 2.5 Pro
24 fps, 25 fps, 50 fps
Verdict
Which one should you try?
LTX 2.5 Fast and LTX 2.5 Pro both generate 6, 8, or 10 second 16:9 or 9:16 shots with optional audio and first/last frames. Fast lists 720p, 1080p, 1440p, or 4K and 24, 25, 48, or 50 fps. Pro lists 720p or 1080p and 24, 25, or 50 fps. Choose Fast for 4K, 1440p, or 48 fps; choose Pro when 1080p is enough.
Questions, answered
LTX 2.5 Fast vs LTX 2.5 Pro FAQ
Does LTX 2.5 Pro go to 4K like Fast?
No. 2.5 Pro lists 720p or 1080p. Fast lists 720p, 1080p, 1440p, or 4K. LTX 2.3 Pro also covers 1440p and 4K.
Which frame rates does each support?
Fast lists 24, 25, 48, and 50 fps. Pro lists 24, 25, and 50 fps.
Do both support first and last frames?
Yes. Both support a starting image or first and last frames.
How is this pair priced?
Each Clip Studio plan includes a monthly generation allowance. Fast uses less of that allowance per second than 2.5 Pro at the same resolution. See the pricing page for plan details.
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