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FastH3 Omni vs GPT Image 2.5

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

FastH3 Omni compared with GPT Image 2.5
DetailFastH3 Omni logo FastH3 Omni GPT Image 2.5
What it doesAI video generation with synced audio from reference images and text prompts Free AI image generator for creating product photos, posters and illustrations from text or reference images
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelPaid Freemium
PricingNot given Monthly plans: Starter $9.9/month (400 credits, 80 images), Standard $29.9/month (900 credits, 180 images), Premium $99.9/month (2000 credits, 400 images). Yearly plans save up to 40%. One-time credit purchases available. Each generation costs 5 credits.
Key features
  • Up to 9 reference images per generation
  • Up to 3 audio references per generation
  • 5 fixed video lengths from 5.875 to 14.375 seconds
  • 4 aspect ratios (16:9, 1:1, 9:16, 4:3)
  • 24 fps frame rate
  • Real-time rendering for first 3 reference images
  • First and last frame control
  • MP4 output saved for 7 days
  • Text prompt with reference naming
  • Automatic credit refund for failed generations
  • Detailed text prompts up to 5000 characters
  • Reference editing with image uploads up to 5 MB
  • Multiple aspect ratios including 16:9, 4:3, 1:1, 3:4, 9:16 and 21:9
  • Three resolution tiers: 1K, 2K and 4K
  • PNG downloads
  • Community showcase with curated images
  • Multiple AI model selection
  • Credit system with 5 credits per generation
  • Failed task credit refunds
What makes it different
  • Synced audio and video in a single generation pass
  • 8-step distilled model for fast generation in browser
  • No installation or GPU required
  • Reference editing to revise uploaded images with text instructions
  • Flexible canvas layouts with six aspect ratios and three resolution options
  • Support for multiple AI models with model selection before submission
  • Curated community showcase without sharing personal details
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)4 +4 (up) since last check3 +1 (up) since last check
Trust Flow (Majestic)04
Citation Flow (Majestic)019
Referring domains (Majestic)019

4 details filled in for both companies.

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