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LFM2.5 8B-A1B

8.5B total, 1B active · 125k context · lfm1.0 · released 2026-05-28

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What to run it on in Canada

Fully in memory at 8k context, priced at retailers today.

Something we price holds it fully in memory, but none reaches 15 tok/s, our bar for recommending it. The table below has the speeds.

All hardware that runs it

Everything we price, best value first. Two cards split the model by layers.

HardwareQuantFitsDecodePricetok/s per 1,000
NVIDIA GeForce RTX 3090Q8_0fits237 tok/s––
NVIDIA GeForce RTX 5090Q8_0fits455 tok/s––
Mac Studio M4 Max 128GBQ8_0fits145 tok/s––
NVIDIA GeForce RTX 4090Q8_0fits256 tok/s––
NVIDIA GeForce RTX 5070 TiQ8_0fits227 tok/s––
Mac mini M4 Pro 64GBQ8_0fits73 tok/s––
NVIDIA GeForce RTX 5060 Ti 16GBQ8_0fits114 tok/s––
AMD Radeon RX 7900 XTXQ8_0fits216 tok/s––
Framework Desktop Ryzen AI Max+ 395 128GBQ8_0fits58 tok/s––
Mac Studio M3 Ultra 512GBQ8_0fits218 tok/s––
NVIDIA DGX Spark 128GBQ8_0fits69 tok/s––
NVIDIA GeForce RTX 3060 12GBQ8_0fits91 tok/s––
AMD Radeon RX 9070 XTQ8_0fits144 tok/s––
GMKtec EVO-X2 Ryzen AI Max+ 395 128GBQ8_0fits58 tok/s––
Mac Studio M3 Ultra 256GBQ8_0fits218 tok/s––
Mac mini M4 Pro 48GBQ8_0fits73 tok/s––
NVIDIA GeForce RTX 4060 Ti 16GBQ8_0fits73 tok/s––
NVIDIA GeForce RTX 5080Q8_0fits244 tok/s––
Mac Studio M4 Max 64GBQ8_0fits145 tok/s––
NVIDIA GeForce RTX 4070 Ti SuperQ8_0fits170 tok/s––
NVIDIA GeForce RTX 5070Q8_0fits170 tok/s––
AMD Radeon RX 9060 XT 16GBQ8_0fits72 tok/s––
Mac Studio M3 Ultra 96GBQ8_0fits218 tok/s––
NVIDIA GeForce RTX 4070 SuperQ8_0fits128 tok/s––
NVIDIA GeForce RTX 4080 SuperQ8_0fits187 tok/s––
NVIDIA RTX PRO 6000 BlackwellQ8_0fits455 tok/s––
AMD Radeon AI PRO R9700Q8_0fits144 tok/s––
AMD Radeon RX 7800 XTQ8_0fits140 tok/s––
AMD Radeon RX 7900 XTQ8_0fits180 tok/s––
ASUS Ascent GX10 128GBQ8_0fits69 tok/s––
Framework Desktop Ryzen AI Max+ 395 64GBQ8_0fits58 tok/s––
Intel Arc B580Q8_0fits86 tok/s––
Mac mini M4 32GBQ8_0fits32 tok/s––
NVIDIA GeForce RTX 3090 TiQ8_0fits256 tok/s––
AMD Radeon RX 7600 XTQ8_0fits65 tok/s––
Mac mini M4 16GBQ8_0fits32 tok/s––
NVIDIA GeForce RTX 3080 10GBUD-Q6_Kfits228 tok/s––
Intel Arc Pro B60Q8_0fits86 tok/s––
NVIDIA Tesla P40Q8_0fits88 tok/s––
Intel Arc A770 16GBQ8_0fits105 tok/s––

Memory needed

Weights, KV cache and runtime buffers at each context length (KV cache at fp16).

QuantFile@8k@32k@64k
UD-Q4_K_Mgguf5.0 GB6.1 GB7.3 GB9.0 GB
UD-Q5_K_Mgguf5.9 GB7.0 GB8.3 GB10.0 GB
UD-Q6_Kgguf6.6 GB7.7 GB9.0 GB10.7 GB
Q8_0gguf8.4 GB9.5 GB10.8 GB12.5 GB

Run it

Copy a command for the runtime you use.

  • UD-Q4_K_M
    • Ollamaollama run hf.co/unsloth/LFM2.5-8B-A1B-GGUF:UD-Q4_K_M
    • LM Studiolms get unsloth/LFM2.5-8B-A1B-GGUF@ud-q4_k_m
    • llama.cppllama-server -hf unsloth/LFM2.5-8B-A1B-GGUF:UD-Q4_K_M
  • UD-Q5_K_M
    • Ollamaollama run hf.co/unsloth/LFM2.5-8B-A1B-GGUF:UD-Q5_K_M
    • LM Studiolms get unsloth/LFM2.5-8B-A1B-GGUF@ud-q5_k_m
    • llama.cppllama-server -hf unsloth/LFM2.5-8B-A1B-GGUF:UD-Q5_K_M
  • UD-Q6_K
    • Ollamaollama run hf.co/unsloth/LFM2.5-8B-A1B-GGUF:UD-Q6_K
    • LM Studiolms get unsloth/LFM2.5-8B-A1B-GGUF@ud-q6_k
    • llama.cppllama-server -hf unsloth/LFM2.5-8B-A1B-GGUF:UD-Q6_K
  • Q8_0
    • Ollamaollama run hf.co/unsloth/LFM2.5-8B-A1B-GGUF:Q8_0
    • LM Studiolms get unsloth/LFM2.5-8B-A1B-GGUF@q8_0
    • llama.cppllama-server -hf unsloth/LFM2.5-8B-A1B-GGUF:Q8_0