ComfyOnline
Run ComfyUI workflows online on rented GPUs and deploy them as APIs, paying only for runtime with credit packs or subscriptions.
What it does
ComfyOnline is a serverless platform to run ComfyUI workflows online without local GPU hardware or setup, charging only for active runtime. It auto-generates APIs for workflows, auto-scales with demand, and integrates many models and services such as Kling, Runway, Luma, Flux, ElevenLabs, Claude, and GPT.
How to use: Users can start for free, create workflows in the online ComfyUI environment, and deploy APIs with one click. ComfyOnline charges only for runtime, eliminating costs for idle GPUs.
Core features
Online ComfyUI, no local GPU
Pay only for runtime (serverless)
One-click API generation
Auto-scaling on demand
GPU choices (4090, A100, H100)
Integrations across video, image, audio, and LLMs
Best for
→Running ComfyUI without hardware
→Deploying workflows as AI app APIs
→AI video/image/audio generation
→LoRA training and scaling
Pricing
Pay-as-you-go
$10
Pay-as-you-go
$50
Personal Unlimited
$17.5/mo
Startups Unlimited
$70/mo
Business Unlimited
$700/mo
Toolspool rankingby monthly traffic
Reviews
Big-picture takes: what it's for and whether it delivers. High-engagement YouTube videos — not sponsored.