Open-weight Muse Spark posts eye-catching benchmark sweep, topping Kimi K3 and GLM 5.3 on several evals

Xianbao_QIAN · x · 2026-10-16

X user XianbaoQIAN shared benchmark results for a new open-weight model called Muse Spark. The chart shows Muse Spark (xhigh) leading on MCP-Atlas (89.2), JobBench (61.8), AA-Omniscience (25 vs 20 for Kimi K3), HLE-Diamond (26.1) and ZeroBench (50.0), plus multimodal scores (BabyVision 80.2) most rivals don't support. It trails on coding: Terminal-Bench 2.1 at 76.4 vs Kimi K3's 85.0, and GLM 5.3 tops GDPval-AA v2 at 1653. Compared models include Mistral Large 4, Qwen3.8-2.4T-A95B and Nemotron 3 Ultra. Provenance unverified in the post.

Related event: Meta Open-Sources Muse Spark Open: 816B-Parameter MoE with 1M Context(54 posts)→

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