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Open-weight model · Text generation

pythia-70m-deduped

by EleutherAI EleutherAI/pythia-70m-deduped

The Pythia Scaling Suite is a collection of models developed to facilitate interpretability research (see paper). It contains two sets of eight models of sizes 70M, 160M, 410M, 1B, 1.4B, 2.8B, 6.9B, and 12B.

Parameters96M
Context2,048
Weights332.1 MB
Licenseapache-2.0
AccessOpen weights
Monthly Downloads1.1M

Runs On

What it takes to serve pythia-70m-deduped (96M 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 0.2 GB 0.2 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 0.1 GB 0.1 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 0.0 GB 0.1 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 Sep 18, 2026.

SAVRN's Notes on pythia-70m-deduped

EleutherAI built the Pythia suite for interpretability research, and pythia-70m-deduped is its smallest member: 6 layers, hidden size 512, 96M parameters, trained on the deduplicated Pile in the same order as the other seven sizes up to 12B, plus 154 intermediate checkpoints. The 16-bit run needs 0.2 GB of memory. On the cheapest Index setup, one MI300X with 192 GB at $1.85 per hour, you could hold hundreds of copies at once, which is the point: many checkpoints resident together to watch a behavior emerge through training.

Apache 2.0 permits commercial use, modification and redistribution, keeps the notices with the code, and carries a patent grant. Check the dates: released February 13, 2023, last updated July 9, 2023, nothing since. The 2,048-token context is a research window, not a document window. The training set is EleutherAI/the_pile_deduplicated, documented in arXiv:2101.00027, and the weights ship in safetensors and pytorch.

Model Card

By EleutherAI, published under apache-2.0, revision e93a9faa9c77.

The Pythia Scaling Suite is a collection of models developed to facilitate interpretability research (see paper). It contains two sets of eight models of sizes 70M, 160M, 410M, 1B, 1.4B, 2.8B, 6.9B, and 12B. For each size, there are two models: one trained on the Pile, and one trained on the Pile after the dataset has been globally deduplicated. All 8 model sizes are trained on the exact same data, in the exact same order. We also provide 154 intermediate checkpoints per model, hosted on Hugging Face as branches.

The Pythia model suite was designed to promote scientific research on large language models, especially interpretability research. Despite not centering downstream performance as a design goal, we find the models match or exceed the performance of similar and same-sized models, such as those in the OPT and GPT-Neo suites.

Read the full model card (1,373 words)

Configuration

Architecture
GPTNeoXForCausalLM
Context length (tokens)
2,048
Layers
6
Hidden size
512
Feed-forward size
2,048
Attention heads
8
Vocabulary size
50,304
Stored precision
float16
Model type
gpt_neox

Identity and Version

Repository
EleutherAI/pythia-70m-deduped
Publisher
EleutherAI
Task
Text generation
Modality
Text
Library
transformers
Parameters
96M parameters
Languages
en
Revision
e93a9faa9c77e5d09219f6c868bfc7a1bd65593c
First published
2023-02-13
Last updated
2023-07-09

Files and Weights

8 files, 334.2 MB in total. The weights are 2 files totalling 332.1 MB in bin, safetensors.

Weights2 files · 332.1 MB
Configuration2 files · 666 B
Tokenizer2 files · 2.1 MB
Documentation1 file · 13.7 KB
Repository1 file · 1.5 KB
Every file
FileTypeSizeSHA-256
model.safetensorsWeights166.0 MB 3da388330e45
pytorch_model.binWeights166.0 MB a03394baafe5
config.jsonConfiguration567 B
special_tokens_map.jsonConfiguration99 B
README.mdDocumentation13.7 KB
.gitattributesRepository1.5 KB
tokenizer.jsonTokenizer2.1 MB
tokenizer_config.jsonTokenizer396 B

License and Download

License
apache-2.0
Access
Open weights, no gate
Download size
332.1 MB
Download from EleutherAI

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

Built From

Memory Requirements

PrecisionWeights in memory
As published332.1 MB
16-bit0.2 GB
8-bit0.1 GB
4-bit0.0 GB

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

Questions About pythia-70m-deduped

How much GPU memory does pythia-70m-deduped need?

About 0.2 GB at 16-bit and 0.1 GB at 4-bit: the weights (96M parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run pythia-70m-deduped 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 pythia-70m-deduped commercially?

Yes. pythia-70m-deduped 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.

What is pythia-70m-deduped's context length?

2,048 tokens, from the maximum position embeddings in its published configuration.

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