Solo devs are outperforming vLLM and SGLang by reworking KV cache and MoE routing themselves

max_paperclips · x · 2026-11-13

A viral call-to-action in the open-source community: a handful of people independently took on open-source inference engineering and, through research, hillclimbing and mad-scientist experiments, drastically improved KV cache quality, MoE routing and performance — to the degree that several one-person teams now outperform larger projects like vLLM, llama.cpp and SGLang.

One example: Sekai-1, a 100M-parameter model scoring #2 in its weight class, was trained by a single person on one 16GB RTX 5070 Ti. The author urges others to join: read The Annotated Transformer over a weekend, learn attention mechanism differences, and start competing.

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