RunDiffusion vs SeaArt AI
RunDiffusion scores 8.0 to SeaArt AI's 7.0 among the multi-model AI platforms we rate, and is the better pick for 3 of the 5 kinds of buyer below.
RunDiffusion wins, 8.0 to 7.0
SeaArt AI costs $5.99 a month against RunDiffusion's $10.99, and runs on iOS and Android as well as the web. RunDiffusion lists far more models, 21 video and 21 image against SeaArt AI's 10 and 9, and adds Kling 3, Veo 3.1, Nano Banana Pro and Flux 2, none of which SeaArt AI offers. Both include LoRA training and a free plan. SeaArt AI also offers lip sync.
Pick RunDiffusion if you want the widest model selection, including Veo 3.1.
Pick SeaArt AI if you want a mobile app and lip sync.
Best for
Who each one suits, decided on the criteria that matter to that buyer and the checked facts where the two differ.
- Offers Kling 3: RunDiffusion yes, SeaArt AI no
- Offers Veo 3.1: RunDiffusion yes, SeaArt AI no
- Video model families offered: 9 video model families against 8 video model families
- But SeaArt AI leads on offers Seedance 2: SeaArt AI yes, RunDiffusion no
- Offers Nano Banana Pro: RunDiffusion yes, SeaArt AI no
- Offers Flux 2: RunDiffusion yes, SeaArt AI no
- Image model families offered: 10 image model families against 6 image model families
- But SeaArt AI leads on offers GPT Image 2: SeaArt AI yes, RunDiffusion no
- What unlimited generation covers: Other companies' video models against None
- Cheapest paid plan, monthly: $5.99 against $10.99
- API: RunDiffusion yes, SeaArt AI does not say
- Shared team workspace: RunDiffusion yes, SeaArt AI does not say
- Where it runs: Web, iOS, Android against Web
- Does not train AI on your uploads: RunDiffusion yes, SeaArt AI does not say
- GDPR: RunDiffusion yes, SeaArt AI does not say
- Single sign-on: RunDiffusion yes, SeaArt AI does not say
How they score
Both are scored the same way, against the other multi-model AI platforms we rate, from facts on each vendor's own pages. RunDiffusion leads on 3 of 5 criteria.
Where they differ
Every point where the two vendors' published facts disagree, with a link to where each fact was read. "Not published" means the vendor does not say either way.
Published by only one of them
Where they match (8)
Pricing, plan by plan
Every plan each vendor publishes, monthly and yearly where both are offered.
RunDiffusion
SeaArt AI
Pros and cons
From each tool's full review, written from the same checked facts.
RunDiffusion
- A free plan gives up to 100 tokens a day with access to ComfyUI and Auto1111 and 10 GB of storage.
- It trains its own Juggernaut and Photo Flux fine-tunes in house, alongside other companies' models like Kling 3.0 Pro, Veo 3.1 and Nano Banana Pro.
- RunDiffusion never uses customer data to train or reinforce any third-party or foundational AI model.
- LoRA model training is included from the Hobby plan up, using RunDiffusion's own Flux Trainer.
- Support runs 24/7 across chat and email ticket assistance in every time zone.
- Paid plans include a commercial license for the generated output.
- Runnit Boards combine image models, video models, fine-tuning and editing tools on one board.
- Seedance 2.0 is not among the models listed; the site names Bytedance Seedance 1.5 Pro instead.
- A model named exactly GPT Image 2 is not listed; the site names ChatGPT Image and ChatGPT 1.5 Image instead.
- Per-model token costs for models like Kling and Nano Banana Pro are not published; exact costs only show in the app after signing in.
- RunDiffusion does not offer unlimited or relaxed generation.
- API Mode requires the Creators Club + Pro plan or above.
- The Team plan costs $224.99 a month for up to four people.
SeaArt AI
- The free plan does not require payment to start creating.
- Beginner, the cheapest paid plan at $5.99 a month, already removes the watermark from video downloads.
- Standard and every plan above it include free, unlimited image generation with no credit or stamina cost.
- LoRA training is available on every plan, from Beginner up.
- Master's unlimited-generation list covers Seedance 2.5, Stardream 2.5, MiniMax H3 and GPT image 2, among others.
- Own tools include SeaArt Film Edit, SeaArt Opera, SeaArt Sono Cast and SeaArt Sparkle H3 alongside outside models.
- ComfyUI workflows allow up to 10 LoRAs and 10 parallel tasks on higher plans.
- SeaArt AI is available on the web, iOS and Android.
- Video first and last frame control is limited to Standard, Professional and Master; it is not on Beginner.
- The unlimited-generation model list applies to the Master plan only.
- A priority queue for LoRA training starts at Professional, not Beginner or Standard.
- Nano Banana Pro is not among the models listed, only the plain Nano Banana.
- Free, unlimited image generation starts at Standard; Beginner does not have it.
- Support runs through community channels such as Discord and social media.
RunDiffusion vs SeaArt AI: common questions
Which is better, RunDiffusion or SeaArt AI?
RunDiffusion scores 8.0 and SeaArt AI 7.0 out of 10 among the multi-model AI platforms we rate. RunDiffusion is ahead on for video, for images and privacy and trust. SeaArt AI is ahead on pricing.
Is RunDiffusion or SeaArt AI cheaper?
RunDiffusion's cheapest paid plan is $10.99/mo - Runnit Hobby and SeaArt AI's is $5.99/mo - Beginner. Compare what each plan includes below before going on price alone.
Do RunDiffusion and SeaArt AI have a free plan?
Yes, both do.
What can RunDiffusion do that SeaArt AI cannot?
On the facts both vendors publish: offers Kling 3, offers Veo 3.1, offers Nano Banana Pro and offers Flux 2.
What can SeaArt AI do that RunDiffusion cannot?
On the facts both vendors publish: offers Seedance 2 and offers GPT Image 2.
