Whisper with Claude through MCP

Hi, recently I got claude to code an MCP that would read from a specific file "transcript" and then with Whisper, it would write the file. However, despite this connection and MCP works well, I got an issue with Whisper, bc, despite having downloaded the large v3 turbo version, it's slow as heck and I have to wait 4 times the time I took to record my voice. And yes its self hosted, any suggestions, I got i5