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MiniLLM Gpt2 340M — Hardware Requirements & GPU Compatibility

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MiniLLM Gpt2 340M is a 340M-parameter open language model from MiniLLM. It supports a context window of up to 1,024 tokens. At Q4_K_M it needs about 0.22 GB of VRAM — see which GPUs and Macs can run it below.

340M params · dense1K contextApache 2.059 downloads6 likes
Based on Gpt2 Medium
S

Runs great on a 24 GB GPU

Runs from8 GB Q4_K_MBest on24 GB Q4_K_M · ~2978 tok/sMacs from8 GB Q4_K_M · ~326 tok/s

Apache 2.0

Reference GPU · RTX 4090 24 GB

Estimates, ±20% · how we estimate

Run MiniLLM Gpt2 340M

One recommended way. Every other method, OS and quant is in the step-by-step guide.Each way opens a step-by-step guide for your OS and quant.

Recommended

vLLM
one command · needs vLLM installed
$vllm serve MiniLLM/MiniLLM-gpt2-340M --max-model-len 1024

vLLM repo with its own quantisation

Download: Weights on Hugging Face

install, OS, other quants

Ways to runOther ways

each opens step-by-step

Run in cloud

Runs on RTX 3080 Ti (12 GB) (11 GB headroom) · Q4_K_M

Generation speed
~2696 tok/s
generation speed
Cost per 1M output tokens
$0.013
per 1M output tokens

How Much VRAM Does MiniLLM Gpt2 340M Need?

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

QuantizationVRAM+32KOn RTX 4090 (reference)
0.2 GB—2-bit · K-quant — 2-bit quantization with K-quant improvementsFits: — context · ~4095 tok/s
0.2 GB—3-bit medium — 3-bit medium quantizationFits: — context · ~3640 tok/s
0.2 GB—4-bit medium — 4-bit medium quantization — most popular sweet spotFits: — context · ~2978 tok/s
0.3 GB—5-bit medium — 5-bit medium quantization — good quality/size tradeoffFits: — context · ~2427 tok/s
0.3 GB—6-bit, very good — 6-bit quantization, very good qualityFits: — context · ~2114 tok/s
0.4 GB—8-bit, near-lossless — 8-bit quantization, near-losslessFits: — context · ~1771 tok/s
0.8 GB—16-bit · bfloat — Brain floating point 16 — preferred for trainingFits: — context · ~874 tok/s
est.calculated, no published file yet

Selected Q4_K_M

4-bit medium quantization

0.2GBat 1K context

Weights
0.1 GB
KV cache
0.0 GB
Overhead
0.3 GB

Fits RTX 4090 (reference) · 23.8 GB free · ~2978 tok/s

≥50 tok/s needs ≥17 GB/s · RTX 5090 ~5295, RTX 3090 Ti ~2978

Which Hardware Can Run MiniLLM Gpt2 340M?

Q4_K_M · 0.2 GB

MiniLLM Gpt2 340M (Q4_K_M) requires 0.2 GB of VRAM to load the model weights. For comfortable inference with headroom for KV cache and system overhead, 1+ GB is recommended. 52 GPUs can run it, including NVIDIA GeForce RTX 5090, NVIDIA GeForce RTX 3090 Ti. 163 devices with unified memory can run MiniLLM Gpt2 340M, including Mac Studio (M3 Ultra, 256GB), Mac Studio (M3 Ultra, 512GB).

By VRAM tier · typical GPUs and Macs at Q4_K_M
8 GB · RTX 4060Q4_K_M · 0.2 GB · ~804 tok/s · —8 GB tier →
12 GB · RTX 3060 12GBQ4_K_M · 0.2 GB · ~1064 tok/s · —12 GB tier →
16 GB · RTX 5060 Ti 16GBQ4_K_M · 0.2 GB · ~1324 tok/s · —16 GB tier →
24 GB · RTX 4090referenceQ4_K_M · 0.2 GB · ~2978 tok/s · —24 GB tier →
Mac 32 GB · Mac Mini M4Q4_K_M · 0.2 GB · ~382 tok/s · —Macs →
Mac 64 GB · Mac Studio M4 MaxQ4_K_M · 0.2 GB · ~1737 tok/s · —Macs →

Alternatives to MiniLLM Gpt2 340M

Similar models

6
ModelScoreVRAMtok/sWhy it is similar
Granite 4.0 350MIBM—1 GB~1150same size
SmolLM 360MHugging Face—0.6 GB~1092same size
MiniCPM5 2B DSparkOpenBMB—0.6 GB~1310same size
LFM2.5 350MLiquid AI—0.8 GB~1130same size
ERNIE 4.5 0.3B PTBaidu—0.7 GB~1213same size
LFM2 350MLiquid AI—0.8 GB~1130same size

Specifications

Publisher
MiniLLM
Parameters
340M
Architecture
GPT2LMHeadModel
Context Length
1,024 tokens
Vocabulary Size
50,257
Release Date
2024-09-26
License
Apache 2.0

Frequently Asked Questions

How much VRAM does MiniLLM Gpt2 340M need?

MiniLLM Gpt2 340M requires 0.2 GB of VRAM at Q4_K_M, or 0.8 GB at BF16.

VRAM = Weights + KV Cache + Overhead

Weights = 340M × 4.8 bits ÷ 8 = 0.2 GB

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

VRAM usage by quantization

0.2 GB

Learn more about VRAM estimation →

What's the best quantization for MiniLLM Gpt2 340M?

For MiniLLM Gpt2 340M, Q4_K_M (0.2 GB) offers the best balance of quality and VRAM usage. Q5_K_M (0.3 GB) provides better quality if you have the VRAM. The smallest option is Q2_K at 0.2 GB.

VRAM requirement by quantization

Q2_K
0.2 GB
Q4_K_M ★
0.2 GB
Q5_K_M
0.3 GB
Q6_K
0.3 GB
Q8_0
0.4 GB
BF16
0.8 GB

★ Recommended — best balance of quality and VRAM usage.

Learn more about quantization →

Can I run MiniLLM Gpt2 340M on a Mac?

Yes — MacBook Air 13" M3 (8 GB) and 145 other Macs can run MiniLLM Gpt2 340M. Apple Silicon uses unified memory, so the model shares RAM with the system. At Q4_K_M you need at least 0.2 GB of usable unified memory (RAM minus macOS overhead).

Can I run MiniLLM Gpt2 340M locally?

Yes — MiniLLM Gpt2 340M can run locally on consumer hardware. Popular tools include Ollama, LM Studio, and llama.cpp.

How fast is MiniLLM Gpt2 340M?

At Q4_K_M, MiniLLM Gpt2 340M can reach ~21818 tok/s on AMD Instinct MI350X. On NVIDIA GeForce RTX 4090: ~2978 tok/s. Speed depends mainly on GPU memory bandwidth. Real-world results typically within ±20%.

tok/s = (bandwidth GB/s ÷ model GB) × efficiency

Example: NVIDIA B200 → 8000 ÷ 0.22 × 0.65 = ~23636 tok/s

Estimated speed at Q4_K_M (0.2 GB)

~23636 tok/s
~2978 tok/s
~23636 tok/s
~21818 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 MiniLLM Gpt2 340M?

At Q4_K_M, the download is about 0.20 GB. The full-precision BF16 version is 0.68 GB. The smallest option (Q2_K) is 0.14 GB.

Which GPUs can run MiniLLM Gpt2 340M?

52 consumer GPUs can run MiniLLM Gpt2 340M at Q4_K_M. Top options include AMD Radeon RX 6700 XT, AMD Radeon RX 6800, AMD Radeon RX 6800 XT. 52 GPUs have plenty of headroom for comfortable inference.

Which devices can run MiniLLM Gpt2 340M?

163 devices with unified memory can run MiniLLM Gpt2 340M at Q4_K_M (0.2 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.