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--- |
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license: other |
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license_name: test |
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license_link: LICENSE |
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language: |
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- en |
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- fr |
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- de |
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- es |
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- pt |
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metrics: |
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- accuracy |
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- cer |
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pipeline_tag: automatic-speech-recognition |
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homepage: https://kroko.ai/ |
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--- |
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# Welcome to Kroko 👋 |
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## **Open-source speech recognition built for developers.** |
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> |
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> Our engine is fully open-source, and you choose how to deploy models: use our **CC-BY-SA licensed community models** or upgrade to **commercial models** with premium performance. We focus on building **fast, high-quality production models** and providing **examples that take the guesswork out** of integration. |
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## Why Kroko ASR? |
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- ⚡ **Fast & lightweight** – optimized Zipformer models (Whisper and parakeet style coming). |
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- 🧩 **Flexible licensing** – use **fully open-source CC-BY-SA community models** or integrate **commercial/OEM models** for premium accuracy. |
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- 🌍 **Runs anywhere** – cross-platform and with support for many programming languages. |
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- 📱 **Mobile & web ready** – works on Android, (iOS coming soon) in the browser via WASM, and with WebSockets for streaming. |
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- 🧰 **Production focus** – we prioritize real-world performance, stability, and examples. |
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- 🤝 **Customizable** – bring your own model, fine-tune for domain-specific vocabularies, or commission us. |
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> Our mission: **fast, high-quality ASR with licensing that works for both open-source and closed-source projects.** |
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## Demos |
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### ▶️ Android App |
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Run speech recognition **natively on your phone** using ONNX Runtime. |
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- [Kroko ASR Model Explorer](https://play.google.com/store/apps/details?id=com.krokoasr.demo&hl=en) |
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### 🌐 Browser (WASM) |
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Experience transcription **directly in your browser**, no server required. |
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- [Hugging Face Spaces Demo](https://huggingface.co/spaces/Banafo/Kroko-Streaming-ASR-Wasm) |
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## Models |
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Kroko ASR follows a **unique dual-model strategy**: |
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### 1. Community Models (free, open-source) |
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- Licensed under **CC-BY-SA**. |
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- Low-latency, lightweight models. |
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- Perfect for hobby projects, research, or free tiers. |
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- Faster and smaller than Whisper/Parakeet in many scenarios. |
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### 2. Commercial & OEM Models |
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- Premium accuracy and robustness. |
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- Licensed for professional and production products. |
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- Designed for SaaS, dev tools, and enterprise integration. |
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### 3. Bring, Train, or Commission Your Own |
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- **DIY:** Use our training guides to build and distribute your own models. |
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- **Professional services:** Work with us to create fine-tuned models for accents, jargon, or specialized domains. |
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> This gives you **full freedom**: start free, scale commercially, or roll your own. |
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## Our Community |
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Join the Kroko community to learn, share, and contribute: |
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- 💬 **[Discord](https://discord.gg/JT7wdtnK79)** – chat with developers, ask questions, and share projects. |
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- 📢 **[Reddit](https://www.reddit.com/r/kroko_ai/)** – join discussions, showcase your integrations, and follow updates. |
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- 🤗 **[Hugging Face](https://huggingface.co/Banafo/Kroko-ASR)** – explore our models, try live demos, and contribute feedback. |
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## Contributing |
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PRs welcome! Run `ruff`, `black`, and `pytest` before submitting. |
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--- |
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## License |
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Apache-2.0 engine. Models licensed separately (CC-BY-SA community or commercial OEM). |
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--- |
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## Credits |
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Kroko ASR is built on top of [**Sherpa-ONNX**](https://k2-fsa.github.io/sherpa/). |
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⚠️ **Note:** Kroko ASR is an independent project and is **not affiliated with Sherpa-ONNX**. We build on their excellent open-source engine, but our models, demos, and packaging are developed and maintained separately. |
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