Liquid LFM2.5-8B-A1B GGUF β€” Quantized by BatiAI

BatiFlow Ollama

Quantizations of Liquid AI LFM2.5-8B-A1B (8.3B total / 1.5B active MoE, reasoning + tool calling) for on-device AI on Mac. Built and verified by BatiAI for BatiFlow.

Why LFM2.5-8B-A1B?

  • 8.3B total, only 1.5B active β€” MoE (32 experts, 4 active) gives 8B-class quality at ~1.5B-class speed
  • Hybrid architecture β€” 24 layers: 18 double-gated LIV convolution + 6 GQA attention. Built for edge, not GPUs
  • Reasoning model β€” explicit chain-of-thought before the final answer
  • Native tool calling β€” Pythonic or JSON function calls (<|tool_call_start|> / <|tool_call_end|>)
  • 128K context, 38T-token training budget, 128K vocab (better non-Latin tokenization incl. Korean)
  • Blazing on-device β€” Liquid reports 253 tok/s on M5 Max, 146 tok/s on Ryzen AI Max+ 395, all under 6GB
  • Released May 28, 2026

Quick Start

ollama pull batiai/lfm2.5-8b:q4

Available Quantizations

Quant Size Recommended For
Q2_K_S ~2.8 GB 8GB Mac, ultra-compact (imatrix)
IQ3_XXS ~3.2 GB imatrix, smallest K-class footprint
Q3_K_M ~3.9 GB 8GB+ Mac, balanced
IQ4_XS ~4.3 GB imatrix, best size/quality
Q4_K_M ~4.9 GB 16GB Mac (recommended)
Q6_K ~6.5 GB near-original quality

Mac note on Q3_K_M: in every model we've benchmarked on Apple Silicon, Q3_K_M generated slower than Q4_K_M despite the smaller file β€” Granite 4.1 (+27%), Gemma 4 26B (+12%), Qwen3.8‑27B (+18%), Qwen3.6‑27B (+8%), on both M4 Max and M4 mini. Metal's Q3_K path is limited by dequantization compute rather than bandwidth. We have not measured this particular model's Q3/Q4 pair yet, so treat it as a strong prior, not a measurement: if Q4_K_M fits, take it. On CUDA the two are effectively tied, so this applies to Macs only.

Lower quants (IQ3_XXS, Q2_K_S) and imatrix variants are not provided in the official Liquid GGUF repo β€” BatiAI adds them for 8GB Macs and tighter footprints.

RAM Requirements

This model is tiny in active params β€” even the largest quant fits comfortably on 16GB. With only 1.5B active params, throughput stays high regardless of quant.

Your Mac RAM IQ3 Q2 Q3 IQ4 Q4 Q6
8GB βœ… βœ… βœ… βœ… ⚠️ ❌
16GB βœ… βœ… βœ… βœ… βœ… Recommended βœ…
24GB+ βœ… βœ… βœ… βœ… βœ… βœ…

Why BatiAI Quantization?

BatiAI Official Liquid GGUF
Source Official Liquid weights Official
Ollama βœ… batiai/lfm2.5-8b ❌ HF only
Low quants βœ… IQ3_XXS, Q2_K_S, Q3_K_M ❌ Q4_0 floor
imatrix βœ… IQ variants calibrated Standard
Tool calling βœ… Verified β€”
BatiAI signed βœ… general.author=BatiAI β€”

Technical Details

  • Original Model: LiquidAI/LFM2.5-8B-A1B
  • Architecture: lfm2_moe hybrid β€” 18 LIV conv + 6 GQA layers, 32 experts / 4 active per token
  • Parameters: 8.3B total, 1.5B active
  • Context: 131,072 tokens
  • Training: 38T tokens
  • License: LFM Open License v1.0 (Apache-2.0 based; free commercial use under $10M annual revenue)
  • Quantized with: llama.cpp + imatrix
  • Quantized by: BatiAI

About BatiFlow

BatiFlow β€” free, on-device AI automation for Mac. 5MB app, 100% local, unlimited.

License

Quantized from LiquidAI/LFM2.5-8B-A1B. License: LFM Open License v1.0 β€” see https://www.liquid.ai/lfm-license. Original Liquid AI attribution retained. Free for commercial use by organizations under $10M USD annual revenue; above that threshold, contact Liquid AI.

Benchmarks

Benchmarks pending β€” measured on target Mac hardware via bench.sh.

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