Transcribe hours of audio and video with OpenAI Whisper models locally on your PC or Mac. Zero cloud leaks, zero per-minute API fees, 99+ languages, and word-level karaoke synchronization.
While Free models (Tiny, Base) are lightweight, they frequently hallucinate or loop on real speech. PRO models (Small, Medium, Large-v3) deliver broadcast-level accuracy.
| Model Tier | Parameter Size | VRAM Required | Real-World Speech Test | Output Quality |
|---|---|---|---|---|
| Whisper Tiny | 39 MB | ~300 MB | Missing words, weak punctuation | Rough Draft |
| Whisper Base (Free) | 142 MB | ~500 MB | Loops on audio pauses, 9 fragmented lines | Frequent Hallucinations |
| Whisper Small (PRO) | 465 MB | ~1.0 GB | 61 coherent, precise segments with punctuation | ✓ 98% Accuracy (Sweet Spot) |
| Whisper Medium (PRO) | 1.5 GB | ~2.6 GB | Captures technical jargon, heavy accents, dialects | ✓ Professional Studio |
| Whisper Large-v3 Turbo (PRO) NEW | 1.5 GB | ~2.4 GB | Near-Large accuracy at 8x speed; ideal for long podcasts & videos | ✓ 8x Turbo Speed & 99% Precision |
| Whisper Large-v3 (PRO) | 3.1 GB | ~4.8 GB | State-of-the-art multilingual translation & STT | ✓ State of the Art |
Engineered from the ground up for privacy, performance, and flexibility.
Press your customizable global hotkey in any application (Word, Slack, Notion, Browser, IDE), speak naturally, and ScribeFlux transcribes and types the text directly into your active cursor position.
A standalone, frameless, transparent floating bar that appears when dictating. Features a live soundwave visualizer, transcription progress percentage, and streaming recognized words in real time.
Automatically detect and separate different speakers in interviews, podcasts, and meetings. Assign custom speaker names, color badges, and export clean multi-speaker dialogues to PDF, Word, and Markdown.
Every transcription session is securely preserved in your private local library. Perform lightning-fast full-text searches across all past recordings, and reload any session back into Studio with one click.
Navigate long audio tracks effortlessly with a rich soundwave visualizer. Scrub across peaks, jump directly to specific spoken words, and synchronize playback with high-precision timestamping.
Runs quietly in the background on Windows and macOS. Keep ScribeFlux minimized to the system tray for zero desktop clutter while maintaining instantaneous global dictation readiness.
Your audio and transcripts never leave your hardware. No cloud servers, no account tracking, and zero risk of proprietary data leaks.
Powered by whisper.cpp with high-performance NVIDIA CUDA on Windows and Apple Silicon Metal on macOS. Transcribe at 10x-15x real-time speed.
Generate microsecond-accurate word timestamps. Review transcripts with synchronized audio playback, interactive karaoke word highlighting, inline editing, and variable speed.
Export publication-ready PDF documents, formatted Microsoft Word (.DOCX) reports with speaker timestamps, or synchronized subtitles for Premiere Pro, Final Cut, and DaVinci Resolve (.SRT, .VTT, .TXT, .JSON, .CSV, .MD).
Record interviews, lectures, meetings, and voice memos directly inside ScribeFlux with live soundwave visualization. Audio is saved as uncompressed 16kHz WAV locally and auto-transcribed in one click.
Automatic language identification across 99+ languages. One-click translate-to-English for foreign interviews, podcasts, and calls.
Drag and drop MP4, MKV, MOV, MP3, WAV, M4A, FLAC, AAC, WMV, WebM, and more. Integrated ffmpeg engine extracts and resamples audio automatically.
Queue dozens of files or drop entire folders. Sequential pipeline processes files continuously with 100% GPU efficiency without memory exhaustion.
Inject brand names, technical jargon, medical terms, and acronyms using Whisper's prompt guidance (--prompt) for pinpoint recognition accuracy.
Compare ScribeFlux PRO with cloud subscription services (Otter.ai, Descript) and Mac-only utilities (MacWhisper). Discover why creators, legal teams, and researchers choose true offline sovereignty.
| Key Capability |
ScribeFlux PRO
Best Value & Privacy
|
MacWhisper | Otter.ai | Descript |
|---|---|---|---|---|
| Windows Support (NVIDIA CUDA) Native GPU hardware acceleration on PC | ✓ Full CUDA 12 & AVX2 | ✗ Mac Only (No Windows) | ☁️ Web / Cloud Only | ☁️ Web / Electron Cloud |
| macOS Support (Apple Metal) Optimized for M1/M2/M3/M4 & Intel Macs | ✓ Native Metal GPU | ✓ Native Metal | ☁️ Web / Cloud Only | ☁️ Cloud Upload Required |
| Data Privacy & 100% Offline HIPAA / GDPR compliant; zero cloud leaks | ✓ 100% Local (0 Bytes Uploaded) | ✓ Local on Mac | ✗ Cloud Servers (AI Training Risk) | ✗ Cloud Servers (AWS Storage) |
| Pricing & License Model Own your software vs perpetual recurring subscriptions |
💎 Lifetime PRO ($24.99 - $39.99)
Or $4.99/mo flexible pass
|
€59 – €64 One-Time
Mac only
|
💸 $120 – $360 / Year
$10 - $30 / mo per user
|
💸 $144 – $288 / Year
$12 - $24 / mo recurring
|
| Audio Limits & Metering Hours of speech you can transcribe | ♾️ Unlimited Forever | ♾️ Unlimited Forever | ✗ Capped Monthly Minutes | ✗ 10 – 30 Hours/mo Limit |
| System-Wide Dictation & Auto-Paste Global hotkey with floating HUD into any desktop app | ✓ Detached HUD + Auto-Paste | ✗ No Global Auto-Paste | ✗ Zoom/Teams Bot Only | ✗ In-Editor Only |
| Offline Speaker Diarization Automatic voice separation & color-coded labels | ✓ On-Device Diarization | ⚠️ Limited / Cloud Fallback | ☁️ Cloud Diarization | ☁️ Cloud Diarization |
| Interactive Word Karaoke & Waveform Scrub audio waveform and click any word to seek | ✓ Full Waveform + Karaoke | Basic Text Sync | ✗ Basic Highlight | ✓ Video Timeline |
| Universal Export Formats Reports, subtitles, and developer data | ✓ PDF, DOCX, SRT, VTT, JSON, CSV, MD | SRT, VTT, TXT, CSV | TXT, PDF, DOCX (Paid) | Timeline Exporter |
See how much money you save by choosing ScribeFlux PRO Lifetime over recurring SaaS subscriptions like Otter.ai, Descript, or Rev.
Select how many devices you need, then choose your billing format: Monthly, Annual, or Lifetime. 30-day money-back guarantee on all licenses.
Start transcribing with our free models right away. Upgrade to PRO whenever you need higher accuracy.
Everything you need to know about ScribeFlux PRO and local transcription.
