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Open-weight model · Summarization

ptt5-base-summ

by Recogna NLP recogna-nlp/ptt5-base-summ

ptt5-base-summ is an open-weight model for summarization from Recogna NLP, released under MIT License. It has 223M parameters. At 16-bit it needs about 0.5 GB of GPU memory, which fits on 1x MI300X from $1.85 an hour, at the lowest prices in the SAVRN Index. It draws 3.8k downloads a month.

PTT5 Summ is a fine-tuned PTT5 model to perform Abstractive Summarization in Brazilian Portuguese texts. This model was fine-tuned on the datasets: RecognaSumm, WikiLingua, XL-Sum, TeMário.pdf) and CSTNews.

Parameters223M
Context—
Weights1.8 GB
Licensemit
AccessOpen weights
Monthly Downloads3.8k

Runs On

What it takes to serve ptt5-base-summ (223M 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 0.4 GB 0.5 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 0.2 GB 0.3 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 0.1 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 Oct 16, 2026.

ptt5-base-summ on every accelerator the SAVRN Index prices, at every precision

Model Card

By Recogna NLP, published under mit, revision 84509bf8ec61.

Portuguese T5 for Abstractive Summarization (PTT5 Summ)

Introduction

PTT5 Summ is a fine-tuned PTT5 model to perform Abstractive Summarization in Brazilian Portuguese texts. This model was fine-tuned on the datasets: RecognaSumm, WikiLingua, XL-Sum, TeMário and CSTNews.

For further information, please go to PTT5 Summ repository.

Available models

Model Dataset used in fine-tuning
recogna-nlp/ptt5-base-summ RecognaSumm
recogna-nlp/ptt5-base-summ-wikilingua WikiLingua
recogna-nlp/ptt5-base-summ-xlsum XL-Sum
recogna-nlp/ptt5-base-summ-temario 1st phase: WikiLingua. 2nd phase: TeMario
recogna-nlp/ptt5-base-summ-cstnews 1st phase: WikiLingua. 2nd phase: CSTNews

Usage example

Read the full model card (582 words)

Configuration

Architecture
T5ForConditionalGeneration
Vocabulary size
32,128
Stored precision
float32
Model type
t5

Identity and Version

Repository
recogna-nlp/ptt5-base-summ
Publisher
Recogna NLP
Task
Summarization
Modality
Text
Library
transformers
Parameters
223M parameters
Languages
pt
Revision
84509bf8ec61f26f6f9403a8c3ab55f4cfe2cc66
First published
2023-12-22
Last updated
2024-10-31

Files and Weights

9 files, 1.8 GB in total. The weights are 2 files totalling 1.8 GB in bin, safetensors.

Weights2 files · 1.8 GB
Configuration3 files · 3.1 KB
Tokenizer2 files · 758.0 KB
Documentation1 file · 12.2 KB
Repository1 file · 1.5 KB
Every file
FileTypeSizeSHA-256
model.safetensorsWeights891.6 MB 2e8d150b3b08
pytorch_model.binWeights891.7 MB 603281b7ef3d
config.jsonConfiguration780 B —
generation_config.jsonConfiguration142 B —
special_tokens_map.jsonConfiguration2.2 KB —
README.mdDocumentation12.2 KB —
.gitattributesRepository1.5 KB —
spiece.modelTokenizer755.6 KB fcb25b1d67f0
tokenizer_config.jsonTokenizer2.4 KB —

License and Download

License
mit
Access
Open weights, no gate
Download size
1.8 GB
Download from Recogna NLP

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

Built From

  • Trained on (disclosed) recogna-nlp/recognasumm

Memory Requirements

PrecisionWeights in memory
As published1.8 GB
16-bit0.4 GB
8-bit0.2 GB
4-bit0.1 GB

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

Questions About ptt5-base-summ

How much GPU memory does ptt5-base-summ need?

About 0.5 GB at 16-bit and 0.1 GB at 4-bit: the weights (223M parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run ptt5-base-summ 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 ptt5-base-summ commercially?

Yes. ptt5-base-summ is released under MIT License. The MIT License is a short permissive license. It permits commercial use, modification and redistribution, provided the copyright notice and permission notice are included.

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