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Can I run this LLM?

Can a AMD Ryzen AI Max+ 395 “Strix Halo” (128GB) run LFM2.5 2.6B?

LFM · See model card · estimated for a 128.0 GB machine at 4K context.

Yes — it runs great.

Runs great

Best fit: LFM2.5 2.6B at FP16 · 5.4 GB weights · 27–40 tok/s on a AMD Ryzen AI Max+ 395 “Strix Halo” (128GB).

Arena Text Overall · style-controlled

UnratedNo exact match

No reviewed exact Arena match

No reviewed exact model/configuration match in the Arena Text Overall style-controlled snapshot. No family or editorial score is substituted. Local quantization quality is unmeasured.

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

Total memory at 4K context
6.3 GB
Weights + KV cache + runtime overhead
Estimated generation
27–40 tok/s
Estimated first token
~1.4s

Every quantization on this machine

On small screens, each quant lists every metric below its name. On wider screens, scroll sideways for total memory, speed and fit. Keyboard: focus the table, then use the arrow keys. Quant names stay visible.

LFM2.5 2.6B quantizations on AMD Ryzen AI Max+ 395 “Strix Halo” (128GB), estimated at 4K context. Weights and total memory are shown separately.
QuantWeightsTotal memorySpeedFit
Q4_K_M1.7 GB2.5 GB63–94 tok/sRuns great
Q5_K_M1.9 GB2.8 GB57–86 tok/sRuns great
Q6_K2.2 GB3.1 GB52–79 tok/sRuns great
Q8_02.9 GB3.7 GB44–66 tok/sRuns great
FP165.4 GB6.3 GB27–40 tok/sRuns great
Open the full calculator →Everything a AMD Ryzen AI Max+ 395 “Strix Halo” (128GB) runsLFM2.5 2.6B on other machinesWhat to buy to run it →

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