Guides, price comparisons and tutorials for renting GPUs by the hour, running AI models through an OpenAI-compatible API, and earning money from your own GPU.https://blog.gpuflow.app/en-usWed, 30 Sep 2026 00:00:00 GMThttps://blog.gpuflow.app/en/is-it-safe-to-rent-out-your-gpu/https://blog.gpuflow.app/en/is-it-safe-to-rent-out-your-gpu/What renters can do on your PC on Vast.ai, Salad, RunPod and GPUFlow, what a provider can see of renters' prompts, and a safety checklist for both sides.Wed, 30 Sep 2026 00:00:00 GMTguideshttps://blog.gpuflow.app/en/per-second-vs-hourly-gpu-billing/https://blog.gpuflow.app/en/per-second-vs-hourly-gpu-billing/At $0.40/h a 90-second GPU test costs 1¢ billed per second and 40¢ billed hourly. Worked examples, a to-scale chart and each platform's increment and minimum.Wed, 30 Sep 2026 00:00:00 GMTpricinghttps://blog.gpuflow.app/en/which-ai-models-fit-your-gpu-vram/https://blog.gpuflow.app/en/which-ai-models-fit-your-gpu-vram/Which open AI models run on 8, 12, 16 and 24 GB of VRAM: the formula for weights plus KV cache, what Q4 and Q8 cost in quality, and real Ollama model sizes.Wed, 30 Sep 2026 00:00:00 GMTguideshttps://blog.gpuflow.app/en/gpuflow-vs-vast-ai-vs-runpod/https://blog.gpuflow.app/en/gpuflow-vs-vast-ai-vs-runpod/A side-by-side comparison of four GPU rental platforms in 2026: what you actually get, how billing works, extra charges, payment methods, RTX 4090 and 3090 prices, and which jobs each one suits.Tue, 29 Sep 2026 00:00:00 GMTcomparisonshttps://blog.gpuflow.app/en/hourly-gpu-vs-per-token-api/https://blog.gpuflow.app/en/hourly-gpu-vs-per-token-api/A plain cost comparison between renting a consumer GPU by the hour and paying an AI API per token, with current prices, measured speeds and a worked example of 1,000 requests.Tue, 29 Sep 2026 00:00:00 GMTcomparisonshttps://blog.gpuflow.app/en/how-much-can-you-earn-renting-out-your-gpu/https://blog.gpuflow.app/en/how-much-can-you-earn-renting-out-your-gpu/Honest math for renting out a consumer GPU in 2026: current rental prices, platform fees, electricity in the US, Canada, UK, Germany and France, and what's left per month at 4 and 12 rented hours a day.Tue, 29 Sep 2026 00:00:00 GMTguideshttps://blog.gpuflow.app/en/use-openai-compatible-api-key-in-apps/https://blog.gpuflow.app/en/use-openai-compatible-api-key-in-apps/Step-by-step settings for using any OpenAI-compatible API (custom base URL, key and model) in Open WebUI, Continue, Cline, LibreChat, AnythingLLM, Jan, the OpenAI SDKs, LangChain and LlamaIndex, plus the settings that break it.Tue, 29 Sep 2026 00:00:00 GMTtutorialshttps://blog.gpuflow.app/en/what-you-need-to-rent-a-gpu/https://blog.gpuflow.app/en/what-you-need-to-rent-a-gpu/What each GPU rental platform asks for before you can rent: email, phone, card, ID checks, GPU quotas and minimum deposits. GPUFlow, Vast.ai, RunPod, SaladCloud, Lambda, TensorDock, AWS and Google Cloud compared.Tue, 29 Sep 2026 00:00:00 GMTguideshttps://blog.gpuflow.app/en/how-to-secure-dataset-on-public-gpu-node/https://blog.gpuflow.app/en/how-to-secure-dataset-on-public-gpu-node/The host of a rented GPU can read anything your job decrypts. What encryption, secure cloud and H100 confidential computing fix, and how to clean up after.Thu, 26 Feb 2026 00:00:00 GMTguideshttps://blog.gpuflow.app/en/why-corporate-policies-banning-chatgpt/https://blog.gpuflow.app/en/why-corporate-policies-banning-chatgpt/Companies restrict public AI chat apps because staff paste in data the firm has no contract to share. The real cases, 2026 rules and alternatives that work.Thu, 26 Feb 2026 00:00:00 GMTcase-studieshttps://blog.gpuflow.app/en/ollama-vs-vllm-vs-tgi-rtx-4090-benchmark/https://blog.gpuflow.app/en/ollama-vs-vllm-vs-tgi-rtx-4090-benchmark/Ollama, vLLM and Hugging Face TGI for an 8B model on an RTX 4090: cited throughput under load, VRAM, quantization, OpenAI APIs and TGI's maintenance status.Wed, 25 Feb 2026 00:00:00 GMTbenchmarkshttps://blog.gpuflow.app/en/hidden-fees-in-gpu-rental/https://blog.gpuflow.app/en/hidden-fees-in-gpu-rental/Storage while stopped, bandwidth, deposits and card holds, setup and idle time, billing minimums and card fees on Vast.ai, RunPod, Lambda, AWS and GPUFlow.Sun, 15 Feb 2026 00:00:00 GMTpricinghttps://blog.gpuflow.app/en/runpod-vs-vastapi-comparison/https://blog.gpuflow.app/en/runpod-vs-vastapi-comparison/RunPod vs Vast.ai, checked September 2026: RTX 4090 and 3090 prices, per-second billing, interruptible pods, storage charges, serverless and who each one suits.Thu, 12 Feb 2026 00:00:00 GMTcomparisonshttps://blog.gpuflow.app/en/stable-diffusion-lora-training-under-10-dollars/https://blog.gpuflow.app/en/stable-diffusion-lora-training-under-10-dollars/Train an SDXL or Flux LoRA on a rented RTX 4090 for well under $10: GPU choice by VRAM, captions, sd-scripts and ai-toolkit settings, and a worked cost.Wed, 11 Feb 2026 00:00:00 GMTtutorialshttps://blog.gpuflow.app/en/gpu-rental-pricing-comparison-2026/https://blog.gpuflow.app/en/gpu-rental-pricing-comparison-2026/Hourly GPU prices in September 2026 on AWS, Google Cloud, Azure, Lambda, RunPod, Vast.ai and GPUFlow: RTX 3090 to H100, on-demand and spot, with worked costs.Sat, 07 Feb 2026 00:00:00 GMTpricinghttps://blog.gpuflow.app/en/private-llm-fine-tuning-guide/https://blog.gpuflow.app/en/private-llm-fine-tuning-guide/When fine-tuning beats RAG or prompting, QLoRA VRAM needs by model size, TRL, Unsloth and Axolotl, keeping data private on rented GPUs, costs and serving.Sun, 23 Feb 2025 00:00:00 GMTtutorials