Gen4 Aleph vs Wan 2.5 I2V Fast
Gen4 Aleph and Wan 2.5 I2V Fast are both available in Vidyu. This page summarizes their input support, duration ranges, resolution settings, and model notes so you can compare them side by side.
- Gen4 Aleph: Text / Video, Varies by model, Provider-selected
- Wan 2.5 I2V Fast: Text / Image, 5 to 10 sec, 720p to 1080p
- Compare both models inside one dashboard
Compared models
The two models in this comparison
These cards use the same Vidyu fields for both models so you can compare them on consistent terms.
Runway
Gen4 Aleph
Runway’s video-first generation and transformation model built around prompt-plus-video inputs.
Wan
Wan 2.5 I2V Fast
Faster Wan 2.5 image-to-video with 720p and 1080p output presets.
How it works
How to use this page
Use the same brief for both models
Use the same prompt, image, or source asset so the comparison reflects the model difference instead of a prompt difference.
Compare the main settings
Look at input support, duration range, resolution options, and pricing, not just the visual result from one test render.
Choose the model that matches the task
The right answer is usually task-specific. Vidyu is built so you can use different models for different shots instead of forcing one winner across everything.
What to know
Key details before you choose a model
About Gen4 Aleph
Gen4 Aleph supports text / video input modes, varies by model output, and provider-selected resolution options in Vidyu.
About Wan 2.5 I2V Fast
Wan 2.5 I2V Fast supports text / image input modes, 5 to 10 sec output, and 720p to 1080p resolution options in Vidyu.
How to evaluate the pair
Start with Gen4 Aleph if its inputs and controls match the assets you already have, then compare it directly against Wan 2.5 I2V Fast on the same brief before you standardize.
Simple Pricing
Pay for what you make. 1 credit = 1 second of video. Start at $20/month or go bigger. Cancel anytime.
One Plan
Start at $20/month for 100 credits (= 100 seconds of video). Need more? Go up to 6,000 credits. Change anytime.
- Make videos from text or images
- Download instantly, and they're yours to keep
- Change your plan anytime
- No contracts or commitments
- Cancel whenever you want
FAQ
Questions about model comparison
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