Liquid AI's 74M-param LiquidCodec hits 361x realtime encoding on a single CPU thread

helloiamleonie · x · 2026-11-13

Liquid AI built its own 74M-parameter streaming audio codec, LiquidCodec, after third-party tokenizers became a bottleneck for LFM3-Audio-2B and LFM3-Omni-2B. Designed around predictable tokens and fast reconstruction, it runs at 361x realtime encoding and 87x decoding on a single CPU thread of an Apple M4 Max (FP32), making on-device audio AI practical. An engineering blog details the design.

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