Voice to text. No delay.

OiPer Desktop is built for relentless typing speed

Hold your global hotkey, speak, release, and your words appear in the app you are already using. No context switch, no cloud lock-in, no hidden trade-offs.

Core philosophy

  • UX: Press, speak, release, done.
  • Performance: Native code for real responsiveness.
  • Privacy: Local-first architecture by default.

Fastest benchmark

30 sec English audio

OiPer Desktop: 1.5s

Quick workflow

  1. 1) Hold the global hotkey.
  2. 2) Speak naturally.
  3. 3) Release to transcribe.
  4. 4) Text injects into your active app.
  5. 5) Optional local or online cleanup.

Privacy and security

  • Local transcription on your machine.
  • Audio and logs stay on-device.
  • No silent data transfer.
  • Online mode is optional and explicit.
  • API key remains user-controlled.

Configuration depth

  • Speech model downloads and sizing options.
  • Backend control: auto, cpu, gpu.
  • Custom base URL and model name setup.
  • Local or online optimization switching.
  • Advanced LLM transcription for difficult terms.

Performance chart

Lower is faster

OiPer Desktop1.5s
Lemonfox API3.27s
Python Faster-Whisper3.55s
OpenAI Whisper 1 API6.46s

OiPer stays ahead with extremely fast local transcription, high quality output, and full user authority over privacy choices.

Codex-5.2 1Codex-5.2 2Codex-5.2 3Codex-5.2 4Codex-5.2 5
Codex-5.3 1Codex-5.3 2Codex-5.3 3Codex-5.3 4Codex-5.3 5
Codex-5.3 1Codex-5.3 2Codex-5.3 3Codex-5.3 4Codex-5.3 5
GPT-5.4 1GPT-5.4 2GPT-5.4 3GPT-5.4 4GPT-5.4 5
Gemini-3.1 Pro 1Gemini-3.1 Pro 2Gemini-3.1 Pro 3Gemini-3.1 Pro 4Gemini-3.1 Pro 5
Sonnet-4.6 1Sonnet-4.6 2Sonnet-4.6 3Sonnet-4.6 4Sonnet-4.6 5
Sonnet-4.6 1Sonnet-4.6 2Sonnet-4.6 3Sonnet-4.6 4Sonnet-4.6 5
Opus-4.6 1Opus-4.6 2Opus-4.6 3Opus-4.6 4Opus-4.6 5
GLM-5 1GLM-5 2GLM-5 3GLM-5 4GLM-5 5
Kimi-K2.5 1Kimi-K2.5 2Kimi-K2.5 3Kimi-K2.5 4Kimi-K2.5 5
Qwen-3.5 1Qwen-3.5 2Qwen-3.5 3Qwen-3.5 4Qwen-3.5 5
Lovable 1Lovable 2Lovable 3Lovable 4Lovable 5
V0-Max 1V0-Max 2V0-Max 3V0-Max 4V0-Max 5