llmrun
iselabvnLfm2MoeForCausalLM

Tini Cybersec 8B A1B — Hardware Requirements & GPU Compatibility

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Tini Cybersec 8B A1B is a 8.5B-parameter open language model from iselabvn. It supports a context window of up to 128,000 tokens. At Q4_K_M it needs about 5.48 GB of VRAM — see which GPUs and Macs can run it below.

8.5B params · MoE1.7B active128K contextApache 2.0163 downloads14 likes2.1K quant downloads
Based on LFM2.5 8B A1B
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Runs great on a 24 GB GPU

Runs from8 GB Q4_K_M · 125KBest on24 GB Q4_K_M · ~335 tok/s · 125KMacs from8 GB IQ3_M · ~61 tok/s

Apache 2.0

Reference GPU · RTX 4090 24 GB

Estimates, ±20% · how we estimate

Run Tini Cybersec 8B A1B

One recommended way. Every other method, OS and quant is in the step-by-step guide.

Recommended

Ollama
one command · needs Ollama installed
$ollama run hf.co/bartowski/iselabvn_Tini-Cybersec-8B-A1B-GGUF:Q4_K_M

Q4_K_M fits fully on the RTX 4090 · 18.4 GB free · 16K context

Download: iselabvn_Tini-Cybersec-8B-A1B-Q4_K_M.gguf5.17 GBbartowski

install, OS, other quants

Other ways

each opens step-by-step

Run in cloud

Fits on RTX 3060 12GB (6 GB headroom) · Q4_K_M

Generation speed
~167 tok/s
generation speed
Cost per 1M output tokens
$0.13
per 1M output tokens

How Much VRAM Does Tini Cybersec 8B A1B Need?

Select a quantization level; the listed hardware adheres to it.

QuantizationVRAM+32KOn RTX 4090 (reference)
4 GB4.3 GB2-bit · K-quant — 2-bit quantization with K-quant improvementsFits: 125K context · ~394 tok/s
4.1 GB4.4 GB3-bit small — 3-bit small quantizationFits: 125K context · ~389 tok/s
4.5 GB4.8 GB3-bit medium — 3-bit medium quantizationFits: 125K context · ~371 tok/s
4.6 GB4.9 GB4-bit · legacy — 4-bit legacy quantizationFits: 125K context · ~367 tok/s
5.5 GB5.8 GB4-bit medium — 4-bit medium quantization — most popular sweet spotFits: 125K context · ~335 tok/s
6.4 GB6.7 GB5-bit medium — 5-bit medium quantization — good quality/size tradeoffFits: 125K context · ~306 tok/s
7.4 GB7.7 GB6-bit, very good — 6-bit quantization, very good qualityFits: 125K context · ~281 tok/s
8.9 GB9.2 GB8-bit, near-lossless — 8-bit quantization, near-losslessFits: 125K context · ~249 tok/s

Selected Q4_K_M

4-bit medium quantization

5.6GBat 16K context

Weights
5.1 GB
KV cache
0.2 GB
Overhead
0.3 GB

Fits RTX 4090 (reference) · 18.4 GB free · ~335 tok/s

≥50 tok/s needs ≥90 GB/s · RTX 5090 ~443, RTX 3090 Ti ~335

Which Hardware Can Run Tini Cybersec 8B A1B?

Q4_K_M · 5.5 GB

Tini Cybersec 8B A1B (Q4_K_M) requires 5.5 GB of VRAM to load the model weights. For comfortable inference with headroom for KV cache and system overhead, 8+ GB is recommended. Using the full 128K context window can add up to 1.5 GB, bringing total usage to 7.0 GB. 52 GPUs can run it, including NVIDIA GeForce RTX 5090, NVIDIA GeForce RTX 3090 Ti, NVIDIA GeForce RTX 3070 Ti. 151 devices with unified memory can run Tini Cybersec 8B A1B, including Mac Studio (M3 Ultra, 256GB), Mac Studio (M3 Ultra, 512GB), NVIDIA Jetson Orin Nano 8GB (Super).

By VRAM tier · typical GPUs and Macs at Q4_K_M
8 GB · RTX 4060Q4_K_M · 5.6 GB · ~134 tok/s · 125K8 GB tier →
12 GB · RTX 3060 12GBQ4_K_M · 5.6 GB · ~167 tok/s · 125K12 GB tier →
16 GB · RTX 5060 Ti 16GBQ4_K_M · 5.6 GB · ~197 tok/s · 125K16 GB tier →
24 GB · RTX 4090referenceQ4_K_M · 5.6 GB · ~335 tok/s · 125K24 GB tier →
Mac 32 GB · Mac Mini M4Q4_K_M · 5.6 GB · ~56 tok/s · 125KMacs →
Mac 64 GB · Mac Studio M4 MaxQ4_K_M · 5.6 GB · ~131 tok/s · 125KMacs →

Alternatives to Tini Cybersec 8B A1B

Similar models

6
ModelScoreVRAMtok/sWhy it is similar
Granite Switch 4.1 8BIBM—20.7 GB~36same size
Ling 3.0 TinyInclusion AI—5.5 GB~364same size
Apertus V1.5 8Bswiss-ai—8.5 GB~111same size
LFM2.5 8B A1BLiquid AI—5.6 GB~335same size
BitCPM CANN 8BOpenBMB—5.6 GB~127same size
Gemma 4 E4BGoogle—5.6 GB~123same size

Specifications

Publisher
iselabvn
Parameters
8.5B
Active parameters
1.7B per token
Architecture
Lfm2MoeForCausalLM
Context Length
128,000 tokens
Vocabulary Size
128,000
Release Date
2026-06-30
License
Apache 2.0

Frequently Asked Questions

How much VRAM does Tini Cybersec 8B A1B need?

Tini Cybersec 8B A1B requires 5.5 GB of VRAM at Q4_K_M, or 17.3 GB at BF16. Full 128K context adds up to 1.5 GB (7.0 GB total).

VRAM = Weights + KV Cache + Overhead

Weights = 8.5B × 4.8 bits ÷ 8 = 5.1 GB

KV Cache + Overhead ≈ 0.4 GB (at 2K context + ~0.3 GB framework)

Fit ratings and hardware model lists check this model with room for a 16K-token context, which needs a little more memory.

KV Cache + Overhead ≈ 1.9 GB (at full 128K context)

VRAM usage by quantization

5.5 GB
7.0 GB

Learn more about VRAM estimation →

What's the best quantization for Tini Cybersec 8B A1B?

For Tini Cybersec 8B A1B, Q4_K_M (5.5 GB) offers the best balance of quality and VRAM usage. Q4_K_L (5.6 GB) provides better quality if you have the VRAM. The smallest option is IQ2_M at 3.3 GB.

VRAM requirement by quantization

IQ2_M
3.3 GB
IQ3_M
4.2 GB
Q4_K_S
5.2 GB
Q4_K_M ★
5.5 GB
Q5_K_S
6.2 GB
BF16
17.3 GB

★ Recommended — best balance of quality and VRAM usage.

Learn more about quantization →

Can I run Tini Cybersec 8B A1B on a Mac?

Yes — MacBook Air 13" M3 (8 GB) and 145 other Macs can run Tini Cybersec 8B A1B, the smallest at IQ3_M. Apple Silicon uses unified memory, so the model shares RAM with the system. At Q4_K_M you need at least 5.5 GB of usable unified memory (RAM minus macOS overhead), from Mac Mini M2 Pro (16 GB).

Can I run Tini Cybersec 8B A1B locally?

Yes — Tini Cybersec 8B A1B can run locally on consumer hardware. Popular tools include Ollama, LM Studio, and llama.cpp.

How fast is Tini Cybersec 8B A1B?

At Q4_K_M, Tini Cybersec 8B A1B can reach ~199 tok/s on AMD Instinct MI350X. On NVIDIA GeForce RTX 4090: ~335 tok/s. Speed depends mainly on GPU memory bandwidth. Real-world results typically within ±20%.

tok/s = 1000 ÷ (active GB ÷ (bandwidth GB/s × efficiency) × 1000 + layers × routing ms)

Mixture-of-Experts: just the active experts get read for each token, along with a fixed routing cost per layer.

Example: NVIDIA B200 → 1.1 GB active ÷ (8000 × 0.65) = 0.21 ms, plus 24 layers × 0.055 ms = 1.32 ms, so 1000 ÷ 1.53 ms = ~654 tok/s

Estimated speed at Q4_K_M (5.5 GB)

~654 tok/s
~335 tok/s
~654 tok/s
~602 tok/s

Real-world results typically within ±20%. Speed depends on batch size, quantization kernel, and software stack.

Learn more about tok/s estimation →

What's the download size of Tini Cybersec 8B A1B?

At Q4_K_M, the download is about 5.08 GB. The full-precision BF16 version is 16.94 GB. The smallest option (IQ2_M) is 2.86 GB.

Which GPUs can run Tini Cybersec 8B A1B?

52 consumer GPUs can run Tini Cybersec 8B A1B at Q4_K_M. Top options include AMD Radeon RX 6700 XT, AMD Radeon RX 6800, AMD Radeon RX 6800 XT, AMD Radeon RX 7600. 40 GPUs have plenty of headroom for comfortable inference.

Which devices can run Tini Cybersec 8B A1B?

151 devices with unified memory can run Tini Cybersec 8B A1B at Q4_K_M (5.5 GB), including AMD Ryzen AI 9 HX 370 (Strix Point) Laptop, ASUS Ascent GX10, Beelink GTR9 Pro (Ryzen AI Max+ 395, 128 GB), Framework Desktop (Ryzen AI Max+ 395, 128 GB). Apple Silicon Macs use unified memory shared between CPU and GPU, making them well-suited for local LLM inference.