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Nexa SDK runs any model on any device, across any backend locally—text, vision, audio, speech, or image generation—on NPU, GPU, or CPU. It supports Qualcomm, Intel, AMD and Apple NPUs, GGUF, Apple MLX, and the latest SOTA models (Gemma3n, PaddleOCR).
Octoverse
Hello Product Hunters! 👋
I’m Alex, CEO and founder of NEXA AI, and I’m excited to share Nexa SDK: The easiest On-Device AI Toolkit for Developers to run AI models on CPU, GPU and NPU
At NEXA AI, we’ve always believed AI should be fast, private, and available anywhere — not locked to the cloud. But developers today face cloud latency, rising costs, and privacy concerns. That inspired us to build Nexa SDK, a developer-first toolkit for running multimodal AI fully on-device.
🚨 The Problem We're Solving
Developers today are stuck with a painful choice:
- Cloud APIs: Expensive, slow (200-500ms latency), and leak your sensitive data
- On-device solutions: Complex setup, limited hardware support, fragmented tooling
- Privacy concerns: Your users' data traveling to third-party servers
💡 How We Solve It
With Nexa SDK, you can:
- Run models like LLaMA, Qwen, Gemma, Parakeet, Stable Diffusion locally
- Get acceleration across CPU, GPU (CUDA, Metal, Vulkan), and NPU (Qualcomm, Apple, Intel)
- Build multimodal (text, vision, audio) apps in minutes
- Use an OpenAI-compatible API for seamless integration
- Choose from flexible formats: GGUF, MLX
📈 Our GitHub community has already grown to 4.9k+ stars, with developers building assistants, ASR/TTS pipelines, and vision-language tools. Now we’re opening it up to the wider Product Hunt community.
Best,
Alex
@alexchen4ai Super exciting launch! 🚀 On-device AI that’s fast and private is exactly what a lot of devs have been waiting for. Love that you’re making it easier to tap into GPU/NPU acceleration without the usual complexity. Congrats on bringing this to the PH community!
NexaSDK for Mobile
@alexchen4ai @lluisrovirale Thank you for your warm words, we are working on more features for developers, our next steps include MCP client support, AMD NPU and more
NexaSDK for Mobile
Our goal is to make on-device AI friction free!
@alexchen4ai This is really exciting, love the launch! Congrats to you and your team.
I think our subscribers would be super excited to hear more about this. Not sure you're familiar with TLDR, but we have an audience of 6M+, highly engaged tech professionals, developers and enterprise decision-makers (41–48% open rates).
Would love to chat more if you're interested! Congrats again
remio - Your Personal ChatGPT
@alexchen4ai Congratulations on your launch! It’s impressive how you’ve made on-device AI more accessible and efficient across multiple hardware types. What do you see as the biggest advantage of Nexa SDK compared to other on-device AI toolkits?🤔
@alexchen4ai Impressive team! Impressive work!
Mom Clock
Congrats on the launch, Zack and Alex!
Just wondering, how does Nexa handle memory management when running large models like LLaMA or Stable Diffusion on local devices?
Octoverse
@justin2025 Hi Justin, thanks! We have many quantization options inside nexasdk. For example, with larger model, you can use more aggressive quantization such as 4bit or 2bit. In that case, the model can be fitted into your machine. We also have recommendation for users so that they can easily find the appropriate model to run on-device.
Congrats on the launch, Alex! Love how you’re making on-device AI actually practical — the latency + privacy trade-off with cloud APIs is a real pain point.
The OpenAI-compatible API is a smart move too, since it lowers the switching cost for developers. Curious — have you seen more traction so far with folks building assistants, or with multimodal apps (like ASR/TTS and vision)?
Excited to see how Nexa SDK evolves!
NexaSDK for Mobile
@trgiangpham Your support means a lot to us. Yes, indeed, ASR/TTS and CV models have faster and more adoption especially in IoT devices.
NexaSDK for Mobile
@trgiangpham Thank you! Yes, multimodal AI is in high demand right now. ASR and Vision all capture richer context for the AI assistant to understand you more!
Rescript
This is great! We’ll be using it for CoreViz!
NexaSDK for Mobile
@wassgha Huge thanks, this means a lot for us! We would like to provide more engineering support, would you please send me an email zack@nexa4ai.com then we will closely work with you?
NexaSDK for Mobile
@wassgha Awesome! Please let us know if you have any feedback!
This is pretty cool. What is the largest model that is supported, and how do you work around the different memory and compute available for different devices?
NexaSDK for Mobile
@tarun_pasumarthi The largest model depends on your device RAM. Usually laptops are less than 64GB, and it works with SDXL, SD3.5 image generation models
NexaSDK for Mobile
@tarun_pasumarthi It can support any model as long as you have enough RAM
Congrats on the launch, Zack and Alex! 🎉
Quick question — is the Nexa SDK able to integrate with WebGPU for browser-based apps?”
Nexa SDK
Greetings Product Hunters!
I’m Zack, CTO and co-founder of Nexa AI. I’m thrilled to share Nexa SDK — our on-device AI development toolkit designed for builders who want speed, privacy, and control.
🛠️ Our Technical Solution
- Unified runtime: CPU, GPU (CUDA, Metal, Vulkan), and NPU (Qualcomm, Apple, Intel)
- Multimodal support: text, vision, and audio (LLM, ASR, TTS, VLM)
- OpenAI-compatible API with JSON schema function calling & streaming
- Flexible model formats: GGUF, MLX, .nexa
- 5k+ GitHub stars and growing developer adoption
📌 What’s Next on Our Roadmap
1. Day-0 model support - Latest multimodal models available immediately
2. Expanded backend support - AMD NPU, Intel NPU multimodality, and more
3. Mobile compatibility - Native iOS and Android SDKs
We’ll be online all day — looking forward to your questions, feedback, and ideas!
👉 Try it now at https://github.com/NexaAI/nexa-sdk
Warm regards,
Zack