If you have a reasonably modern CPU (or GPU via OpenCL/Vulkan) and can spare 2 minutes to download a model, it rivals cloud APIs at zero cost.
If the GUI crashes when selecting GPU mode, you may need to install the official NVIDIA CUDA Toolkit or copy the missing cublas64_*.dll files into the application directory. whispercpp gui windows 2025 free
Choose the appropriate model based on your hardware and accuracy needs: If you have a reasonably modern CPU (or