Liquid AI8.3B (1.5B active)Q4_K_M 下约 6 GB 显存

LFM2.5-8B-A1B — 显存、速度与本地部署

作者: Jakub Rusinowski · 最后更新:

8.3B total parameters resident — about 5.8 GB at Q4_K_M, comfortable on a 6 GB card or a phone with enough RAM — with 1.5B active per token. Note the name understates it: "A1B" is a naming convention, the measured active count is 1.5B. 24 layers, 18 double-gated LIV convolution blocks plus 6 GQA attention layers, which is why its KV cache is far smaller than a 24-layer transformer's. 128K context, vocabulary widened from 65,536 to 128,000 for non-Latin scripts. LFM Open License v1.0: free for research and for commercial use below the revenue threshold the licence states.

LFM2.5-8B-A1B 在 Q4_K_M 下约需 6 GB 显存——量化权重加框架开销,不含 KV 缓存。在 Apple Silicon 上,这部分来自统一内存。

逻辑75
创意68
编程70

按量化级别的显存与速度

计算基准:NVIDIA RTX 4090 (24 GB)。仅含权重与开销:该模型架构未公开,因此未计入 KV 缓存。

量化显存速度(估算)适配
Q2_K
2.63 bpw
3.5 GB~272 tok/s可运行
Q3_K_M
3.41 bpw
4.3 GB~259 tok/s可运行
Q4_K_M
4.83 bpw
5.8 GB~237 tok/s可运行
Q5_K_M
5.67 bpw
6.7 GB~226 tok/s可运行
Q6_K
6.56 bpw
7.6 GB~215 tok/s可运行
Q8_0
8.50 bpw
9.6 GB~195 tok/s可运行
F16
16.00 bpw
17.4 GB~143 tok/s可运行

黑色标记 = NVIDIA RTX 4090 (24 GB) 上的可用显存。 估算来自内存带宽屋顶线模型,详见 方法说明页. LFM2.5-8B-A1B 显存计算器 →

运行 LFM2.5-8B-A1B

目录中能运行 LFM2.5-8B-A1B 的最便宜 GPU 是 Intel Arc B570 (10 GB).

购买此硬件 Intel Arc B570 10GB — 10 GB VRAM · 150 W board power立即云端部署 RunPod 上的 RTX 4090 — 低至 $0.34/小时 · 价格核实于 2026-07

或在 Vast.ai 比较,低至 $0.35/小时 (typical low · varies)

作为亚马逊联盟成员,我们从符合条件的购买中获得收入。云 GPU 链接为推荐链接——我们可能获得佣金,您无需额外付费。

联盟营销声明: 本页部分链接为联盟推广链接——如果你通过它们购买,LLM Configurator 可能会获得佣金,而你无需支付任何额外费用。作为亚马逊联盟成员(Amazon Associate),LLM Configurator 会从符合条件的购买中获得收益。
Intel Arc B570 10GB
10 GB VRAM · 150 W board power
2026年价格波动较大——请以当前商品页价格为准。

如何运行 LFM2.5-8B-A1B

安装 Ollama,然后运行:

ollama run lfm2.5:8b
Hugging Face 上的权重: LiquidAI/LFM2.5-8B-A1B-GGUF ↗

规格

Verified — Checked against the primary source — the model card or the vendor spec page — and corroborated by a second independent source.

参数量
8.3 Billion (1.5B active)
上下文窗口
131,072
架构
Hybrid LIV convolution + GQA MoE
提供商
Liquid AI
许可证
LFM Open License v1.0
Practical deployment
Laptop
规格量化
Q4_K_M
系统内存
16 GB
记录更新于
2026-09-11
许可证LFM Open License v1.0允许商业使用

Weights are downloadable and commercial use is permitted, subject to the licence’s acceptable-use terms.

Commercial use is licensed only below $10M annual revenue; above that, a separate agreement.

质量与使用场景

评分由模型作者或独立评测方发布——衡量质量而非吞吐量,并非我们实测。

最适合edge deviceson devicetool useagentic tasks

我的 GPU 能运行 LFM2.5-8B-A1B 吗?

LFM2.5 的其他尺寸

LFM2.5-8B-A1B — 常见问题

How much VRAM does LFM2.5-8B-A1B need?

About 6 GB at Q4_K_M — quantized weights plus framework overhead, before any KV cache. The cache grows with context length and is added on top; the table above folds it in. Apple Silicon counts unified memory toward the same figure.

Does LFM2.5-8B-A1B run on an RTX 4090 (24 GB)?

Yes. LFM2.5-8B-A1B needs about 6 GB at Q4_K_M, inside a 24 GB card, at an estimated 237 tokens/sec.

How do I run LFM2.5-8B-A1B locally?

Install Ollama and run `ollama run lfm2.5:8b`. That pulls the weights and starts a local OpenAI-compatible endpoint; after the download nothing leaves the machine.

What other sizes does LFM2.5 come in?

LFM2.5 2.6B (2 GB), LFM2.5-8B-A1B (6 GB), LFM2.5-24B-A2B (15 GB). Every size shares the family's training and licence; the larger ones score higher and need proportionally more memory.