The On-Device AI Platform

The most reliable way for developers to run foundation models locally.
Ship real-time, private, predictable AI with the Argmax SDK.

Go On-Device

Argmax SDK

Start with Open-source. Scale with Pro.

WhisperKit PRO

Ship frontier speech-to-text models on device with WhisperKit Pro

WhisperKit Pro is a turn-key SDK that brings frontier speech-to-text capabilities to your user's devices, faster and more accurate than most cloud APIs.

Read our research paper.
Try it on our Playground app.

SpeakerKit PRO

Ship state-of-the-art speaker recognition on device

SpeakerKit Pro is an evolution of Pyannote optimized for speed without compromising accuracy.

Read the research paper.
Try it on our demo App.

DiffusionKit

DiffusionKit Pro allows you to run the most advanced diffusion models on device.

We’ve converted the most advanced diffusion models available in order to run on Apple Silicon with CoreML and MLX. DiffusionKit Pro is currently undegoing development.

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Customize Speech-to-Text for Healthcare

Transcribing medical conversations requires continual adaptation to newly developed medications, tests, procedures, and the unique vocabulary of more than 135 medical specialties—something general-purpose systems are not useful for. Argmax enables real-time, self-serve customization through Custom Vocabulary, where updating system vocabulary is a configuration change rather than a model or system update. Read the blog for details to test this on your iPhone in under 5 minutes.

January 7, 2026

Product

Argmax SDK 2

We are announcing the next major generation of Argmax SDK with a renewed commitment to open-source and a major new Pro-only feature: Real-time Transcription with Speakers!

December 17, 2025

Product

Detail

Detail, Apple's pick for iPad App of the Year 2025, leverages Argmax SDK to build their flagship AI features such as text-based video editing and automatic speaker switching using Argmax SDK, migrating from cloud APIs.

December 9, 2025

Customer