TrainEngine.ai

TrainEngine.ai is a focused tool for one thing: training Dreambooth models without a subscription. If you need a quick custom character or art style and don't want to manage GPU infrastructure, it's a solid pick. The free tier gives you 10 tokens upfront—enough to train one public model and generate a handful of images. For private work, token packs start at $10 for 100 tokens. A private model costs 25 tokens, and each generation costs 1 token for 5 images. So a private model plus 20 generations runs about 45 tokens ($4.50 with the $10 pack). That's cheap for one-off projects, but costs add up fast if you train often. Where it bites: you can't fine-tune full SDXL—only LoRA. No batch processing, no advanced training parameters like learning rate scheduling. The community gallery is full of meme models and spam, not high-quality showcase examples. Compared to alternatives like Leonardo.ai (subscription, unlimited generations, fine-tuning included) or Hugging Face (free, but requires coding), TrainEngine sits in a niche: developers who want a simple API, hobbyists who pay per project, and anyone who values privacy over cost. We'd reach for this when we need to train a one-off model for a client demo without standing up a Colab. But for daily experimentation, a subscription service or local setup makes more sense.