Engineering notes

From every layer of the stack.

All QHexRT2 MetalRT4 SDKs3 Agents2 Voice2

QHexRTJuly 19, 2026

We Put a 27B Model in Your Pocket: PrismML Bonsai 1-bit on iPhone, Android, and Mac

Run a 27 billion parameter LLM on your phone. PrismML's 1-bit Bonsai reasoning models are live in the Wally apps on iOS, Android, and macOS, including the first true 1-bit model ever to run on any NPU.

QHexRTJune 25, 2026

QHexRT Is Live: Full-Stack NPU Inference for Qualcomm Hexagon

QHexRT is officially live — the first inference engine built to run LLM, VLM, STT, TTS, and embeddings 100% on Qualcomm Hexagon NPUs. First model: LFM 2.5 230M at 12,540 tok/s prefill and 36ms flat TTFT on v81.