// Privacy-First Voice Engine

Voice

Decoded

Locally

Hold a hotkey. Speak. Release. Instant transcription on your device — no cloud, no latency, no compromise.

// Core Systems

System Architecture

SYS.REC

Hotkey Recording

Global hotkey activation. Press to record, release to transcribe. Text injected directly into your active application.

SYS.SEC

Local Processing

All transcription runs on-device. Audio, logs, and data never leave your machine. Zero cloud dependency.

SYS.PER

Native Engine

Written in native code with GPU acceleration. 30 seconds of audio in 1.5 seconds. No runtime overhead.

SYS.CFG

Full Control

Choose backends, models, and providers. Configure LLM routing. Local or online text cleanup. Your rules.

// Performance Metrics

Speed Analysis

BENCHMARK: 30 SEC ENGLISH AUDIO

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

// Security Protocol

Data Sovereignty

Local Fortress

  • [+]Transcription processed entirely on-device
  • [+]Audio and activity logs stay local
  • [+]No data transmitted without explicit consent

Online Mode

Optional Protocol

  • [~]Online optimization fully opt-in
  • [~]Your API keys, your infrastructure
  • [~]Toggle at any time

// Configuration Matrix

System Tuning

MDL

Speech Models

Download and swap models for your hardware profile.

BKD

Backend

Auto / CPU / GPU compute path selection.

LLM

LLM Routing

Gemini Flash, specialized models for extreme accuracy.

API

Provider Config

Custom URLs, API keys, model names.

TXT

Text Processing

Local or online post-processing pipeline.

ADV

Specialization

Technical terminology and domain tuning.

Initialize
OiPer Desktop

Voice-to-text with native performance, local privacy, and zero compromise. Download now.

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