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Open-weight model · Text generation

tinybrainbot-360m-a75m-v4.1-moe-instruct

by Nk Bass nkthebass/tinybrainbot-360m-a75m-v4.1-moe-instruct

tinybrainbot-360m-a75m-v4.1-moe-instruct is an open-weight model for text generation from Nk Bass, released under Apache License 2.0. It has 383M parameters. At 16-bit it needs about 0.9 GB of GPU memory, which fits on 1x MI300X from $1.85 an hour, at the lowest prices in the SAVRN Index.

Parameters383M
Context—
Weights—
Licenseapache-2.0
AccessOpen weights
Monthly Downloads—

Runs On

What it takes to serve tinybrainbot-360m-a75m-v4.1-moe-instruct (383M parameters): the memory its weights need at each precision, and the cheapest way to rent enough data-center GPUs to hold them.

PrecisionWeightsMemory neededCheapest setupPer hourAlso fits
16-bit 0.8 GB 0.9 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 0.4 GB 0.5 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 0.2 GB 0.2 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00

Memory is the weights at that precision plus 20% for the runtime and a short context; a long context needs more. Prices are the lowest on-demand hourly rates in the SAVRN Index, read Oct 22, 2026.

tinybrainbot-360m-a75m-v4.1-moe-instruct on every accelerator the SAVRN Index prices, at every precision

Model Card

Identity and Version

Repository
nkthebass/tinybrainbot-360m-a75m-v4.1-moe-instruct
Publisher
Nk Bass
Task
Text generation
Modality
Text
Library
transformers
Parameters
383M parameters
Languages
en
Revision
abf61d420ae71dbeae046a93f87fe90364f7f769
First published
2026-10-19
Last updated
2026-10-20

License and Download

License
apache-2.0
Access
Open weights, no gate
Download from Nk Bass

Released by Nk Bass through its official repository on Hugging Face. Read the license.

Built From

  • Derived from nkthebass/tinybrainbot-360m-a75m-v4.1-moe-base
  • Quantized from nkthebass/tinybrainbot-360m-a75m-v4.1-moe-base
  • Trained on (disclosed) HuggingFaceFW/fineweb-edu
  • Trained on (disclosed) HuggingFaceH4/ultrafeedback_binarized
  • Trained on (disclosed) HuggingFaceTB/cosmopedia
  • Trained on (disclosed) HuggingFaceTB/smol-smoltalk
  • Trained on (disclosed) HuggingFaceTB/smoltalk2
  • Trained on (disclosed) allenai/WildChat-4.8M
  • Trained on (disclosed) allenai/tulu-3-sft-personas-instruction-following
  • Trained on (disclosed) microsoft/orca-math-word-problems-200k
  • Trained on (disclosed) wikimedia/wikipedia

Evaluations

Each result is shown as reported, with the conditions its reporter stated. None is a SAVRN measurement. A comparison lines two results up only when their configuration, unit and setup are all stated and identical.

BenchmarkConditionsResultReported byRevisionDate
ARC-Challenge Configuration ARC-ChallengeTask text-generationMetric acc_norm (0-shot)Comparison conditions not established 32.3 nkthebass
Publisher reported
Evaluated revision not stated —
ARC-Easy Configuration ARC-EasyTask text-generationMetric acc_norm (0-shot)Comparison conditions not established 55.6 nkthebass
Publisher reported
Evaluated revision not stated —
BoolQ Task text-generationMetric acc (0-shot)Comparison conditions not established 46 nkthebass
Publisher reported
Evaluated revision not stated —
CommonsenseQA Task text-generationMetric acc (0-shot)Comparison conditions not established 20.9 nkthebass
Publisher reported
Evaluated revision not stated —
HellaSwag Task text-generationMetric acc_norm (0-shot)Comparison conditions not established 41.5 nkthebass
Publisher reported
Evaluated revision not stated —
IFEval Task text-generationMetric prompt-level strict accuracyComparison conditions not established 18.5 nkthebass
Publisher reported
Evaluated revision not stated —
LAMBADA (OpenAI) Task text-generationMetric acc (0-shot)Comparison conditions not established 28.8 nkthebass
Publisher reported
Evaluated revision not stated —
MMLU Configuration allTask text-generationMetric acc (0-shot)Comparison conditions not established 26 nkthebass
Publisher reported
Evaluated revision not stated —
MathQA Task text-generationMetric acc_norm (0-shot)Comparison conditions not established 24.4 nkthebass
Publisher reported
Evaluated revision not stated —
OpenBookQA Configuration mainTask text-generationMetric acc_norm (0-shot)Comparison conditions not established 33.8 nkthebass
Publisher reported
Evaluated revision not stated —
PIQA Task text-generationMetric acc_norm (0-shot)Comparison conditions not established 65.8 nkthebass
Publisher reported
Evaluated revision not stated —
SciQ Task text-generationMetric acc_norm (0-shot)Comparison conditions not established 73.5 nkthebass
Publisher reported
Evaluated revision not stated —
Social IQa Task text-generationMetric acc (0-shot)Comparison conditions not established 39.9 nkthebass
Publisher reported
Evaluated revision not stated —
WinoGrande Configuration winogrande_xlTask text-generationMetric acc (0-shot)Comparison conditions not established 51 nkthebass
Publisher reported
Evaluated revision not stated —

Memory Requirements

PrecisionWeights in memory
16-bit0.8 GB
8-bit0.4 GB
4-bit0.2 GB

Weights only, from the published parameter count; the key-value cache and runtime add to this.

Questions About tinybrainbot-360m-a75m-v4.1-moe-instruct

How much GPU memory does tinybrainbot-360m-a75m-v4.1-moe-instruct need?

About 0.9 GB at 16-bit and 0.2 GB at 4-bit: the weights (383M parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run tinybrainbot-360m-a75m-v4.1-moe-instruct on?

At 16-bit, 1x MI300X from $1.85 an hour; at 4-bit, 1x MI300X from $1.85 an hour, at the lowest on-demand prices the SAVRN Index lists.

Can I use tinybrainbot-360m-a75m-v4.1-moe-instruct commercially?

Yes. tinybrainbot-360m-a75m-v4.1-moe-instruct is released under Apache License 2.0. The Apache License 2.0 is a permissive open-source license. It permits commercial use, modification and redistribution. It requires keeping the license and copyright notices and any NOTICE file, stating significant changes, and it includes an express patent grant from contributors.

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