GPUHarbor lets you rent NVIDIA RTX 5090 and RTX 4090 GPU machines by the minute. Access powerful GPU compute for AI training, LLM fine-tuning, inference, and diffusion models through a secure browser-based terminal with isolated Linux containers. Prepaid billing in INR (Razorpay) and USD (PayPal). No subscriptions, no commitments — pay only for what you use.