Parakeet is not really more accurate than Whisper, but it's much faster - faster than realtime even on CPU: https://huggingface.co/nvidia/parakeet-tdt-0.6b-v3 . You have to use Nemo though, or mess around with third-party conversions. (Also has a big brother Canary: https://huggingface.co/nvidia/canary-1b-v2. There's also the confusingly named/positioned Nemotron speech: https://huggingface.co/nvidia/nemotron-speech-streaming-en-0...)

Keep in mind Parakeet is pretty limited in the number of languages it supports compared to Whisper.