200K-Token LLM Serving on a 24 GiB Laptop with Just-in-Time State Management

What changed

JustFit introduces an MLX-based inference runtime combining compressed KV execution, component residency, and state-preserving transitions to serve 200K-token contexts on a 24 GiB laptop.

Why you should care

Local LLM inference runtimes can leverage just-in-time state management to bypass hardware memory limitations without sacrificing context length.

Your move

Watch. Monitor developer adoption of JustFit and similar runtime techniques in consumer hardware setups.

Evidence

PreliminaryarXiv — cs.CL ↗

What to watch next

Independent verification of JustFit benchmarks across different model architectures and consumer hardware configurations.

Event

research

Event date

Sep 15, 2026

Relevant to

General AI readers