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Rig report

Mac Studio M3 Ultra (512GB)

512.0 GB memory · 819 GB/s · 68 of 69 tracked models fit

Highest Arena reference that fits

Hunyuan Hy3 (MoE)Runs great

Q8_0 · 317.7 GB weights · 319.8 GB total · 21–31 tok/s · Arena reference 1,454

Arena is a published configuration reference. Selected Q8_0 is untested by this reference.

Arena reference details

Arena Text Overall · style-controlled

1,454Q8_0 untested

hy3 · published configuration reference · Q8_0 not tested

Arena Text Overall (style-controlled), exact published entry hy3, 2026-10-08: reference rating 1,454.2. Published confidence bounds 1,447.9–1,460.5. 11,284 votes. Published hy3 configuration reference. Reasoning mode is not disclosed by the Arena dataset. Tested precision, runtime and sampling settings are not disclosed in this dataset. Selected Q8_0 has not been measured by this Arena entry. No quantization quality adjustment is applied.

Snapshot published 2026-10-08 · snapshot imported 2026-10-11 UTC · validated last-good data · manual refresh

Arena leaderboard dataset · Arena / lmarena-ai, Arena Leaderboard Dataset (CC BY 4.0). Selected Text Overall style-controlled rows; field names adapted, ratings unchanged. · dataset CC BY 4.0 · revision e16f90232986

Fastest that fits: LFM2.5 1.2B at 98–148 tok/s

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Estimates from device specs and model architectures, refined by community benchmarks. See the methodology.