Models › bart family

facebook Apache 2.0 out 5 years ago

139M parameters, text in, embeddings out, 1K tokens of context. 1 provider serves it.

Verified 2026-10-25 Rank #40 in Embeddings · score 91.8 method v1 Sources 3 Downloads 30d 235.5k · #237 of 619 tracked

Can I run it?0.1GB at INT4Estimatefits a 16 GB cardmethod
Can I use it?Apache 2.0Permissive; patent grantlicence file2026-10-24
Do people use it?235.5kdownloads, 30 days#237 of 619 we track · top 38%+1 likes, downloads −9% this week214 likesHugging Face2026-10-24

Worth reading

Picked by rule from 2 tracked pieces: the lab's own post, the most shared, a field report, the latest.

2 best of 2 tracked

The 1 pick above, plus these 1. Top is the radar's score: discussion, source authority and the lab's own posts, fading with age.

  1. ArticleBART Architecture: Encoder-Decoder Design for NLP - Interactive | Michael Brenndoerfer | Michael Brenndoerfermbrenndoerfer.com · 2025-01-13

Where to run it

Live hosted endpoints, cheapest first, USD per million tokens. Ties break on output price, then provider name.

#Cheapest live rowIn /1MOut /1MContextQuantSeen
1 HF Inference — — — — Oct 25

All 1 provider →

Where it's used

Hugging Face does not say who downloads a model or with what. These are the proxies: API providers listing it, quantized builds, fine-tunes/adapters/merges, and Spaces that load it.

Served by 1 API provider; 1 quantized build for local use; a big base for builders (587 fine-tunes, adapters and merges).

  • As a service1HF Inference
  • On own hardware1quantized builds
  • Built on587523 fine-tunes · 64 adapters · 0 merges
  • In apps100+Hugging Face Spaces

Top Spaces running it: gunship999/SexyImages ♥ 439 · hilamanor/audioEditing ♥ 330 · Audio-AGI/AudioSep ♥ 222 · jadechoghari/OpenMusic ♥ 212

Will it fit?

Weights only, an estimate: leave room for the KV cache. Method

Fits a 16 GB card at INT4

About 0.1 GB at INT4, 0.2 GB at FP8, 0.3 GB at BF16: weights only, so leave room for the KV cache.

16 GB card64 GB Mac2×80 GB8×80 GBINT4: about 0.1 GB of weights (estimate; KV cache and activations extra)INT40.1 GBFP8: about 0.2 GB of weights (estimate; KV cache and activations extra)FP80.2 GBBF16: about 0.3 GB of weights (estimate; KV cache and activations extra)BF160.3 GB
16 GB card64 GB Mac2×80 GB8×80 GBINT4: about 0.1 GB of weights (estimate; KV cache and activations extra)INT40.1 GBFP8: about 0.2 GB of weights (estimate; KV cache and activations extra)FP80.2 GBBF16: about 0.3 GB of weights (estimate; KV cache and activations extra)BF160.3 GB

Estimate params × bytes per param × 1.2 · how we estimate

The story so far

Weights, every dated article, and repo commits on one rail.

1 dated article and 19 repo commits so far

Teal is the weights (2022-03-02), amber triangles are 1 dated article (each links to it), grey ticks are repo commits.

JulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOct2022-11-16: 1 repo commit2022-06-03: 1 repo commit2022-03-09: 1 repo commit2021-10-01: 2 repo commits2021-09-16: 2 repo commits2021-06-14: 1 repo commit2021-03-09: 1 repo commit2020-11-24: 1 repo commit2020-10-26: 1 repo commit2020-10-15: 1 repo commit2020-10-05: 1 repo commit2020-08-17: 1 repo commit2020-06-15: 5 repo commitsBART Architecture: Encoder-Decoder Design for NLP - Interactive | Michael Brenndoerfer | Michael Brenndoerfer · 2025-01-13Weights 2022-03-02 · 2022-03-02Weights 2022-03-02now · 1 provider
JulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOct2022-11-16: 1 repo commit2022-06-03: 1 repo commit2022-03-09: 1 repo commit2021-10-01: 2 repo commits2021-09-16: 2 repo commits2021-06-14: 1 repo commit2021-03-09: 1 repo commit2020-11-24: 1 repo commit2020-10-26: 1 repo commit2020-10-15: 1 repo commit2020-10-05: 1 repo commit2020-08-17: 1 repo commit2020-06-15: 5 repo commitsBART Architecture: Encoder-Decoder Design for NLP - Interactive | Michael Brenndoerfer | Michael Brenndoerfer · 2025-01-13Weights 2022-03-02 · 2022-03-02Weights 2022-03-02now · 1 provider

What people built on it

588 derivatives on the Hub. Which build to run, by runtime: the most downloaded in each class.

588 derivatives on the Hub, most of them fine-tunes

From the Hugging Face model tree; quantized builds in teal, fine-tunes, merges and adapters in greys.

1 quantized (Hugging Face model tree)523 fine-tunes (Hugging Face model tree)64 adapters (Hugging Face model tree)1 quantized523 fine-tunes64 adapters
1 quantized (Hugging Face model tree)523 fine-tunes (Hugging Face model tree)64 adapters (Hugging Face model tree)1 quantized523 fine-tunes64 adapters

All variants →

Reference

Everything else, folded: the full tables, every source.

Use-case evidence

2 use cases

What it is good at 2 use cases

Labels are evidence, not verdicts: measured a third-party leaderboard row for this model; author-reported a number the model author published in the card or eval files; structural a deterministic signal from the name, config or chat template, or a decision-model estimate. Each chip links to its source. All use cases.

Facts

21 fields

Listed in Embeddings

Facts

Pipeline tagfeature-extraction
Librarytransformers
ArchitecturesBartModel
Model typebart
Dtypefloat32
Params by dtypeF32: 139,420,416
Size bandS
MoEno
Context length1,024 (config.json max_position_embeddings)
Languagesen
PapersarXiv:1910.13461
LicenseApache 2.0 (apache-2.0)
Hub snapshot2026-10-25

Servability

vLLM · SGLang

Servability

vLLM: not in registry · BartModel · 7050ef881ff0835f6890a47db1859a24c65481d6SGLang: not in registry · 773cb938fe9484a8f7e7e46fb1b1fe96412c59ed

vLLM registry (7050ef881ff0835f6890a47db1859a24c65481d6) · SGLang registry (773cb938fe9484a8f7e7e46fb1b1fe96412c59ed) · Matched by architecture class name against each project's registry on main; 'supported' means the architecture is registered, not that this checkpoint was tested.

Hardware fit

3 estimates

Hardware fit ESTIMATE

Weights-only memory for bart-base: params × bytes/param × 1.2 overhead. KV cache and activations are extra. How this is computed.

BF16 (2 bytes/param)0.3 GB · Edge (<4 GB)
FP8 (1 byte/param)0.2 GB · Edge (<4 GB)
INT4 (0.5 bytes/param)0.1 GB · Edge (<4 GB)

Weights only (params × bytes/param × 1.2 overhead); KV cache and activations extra.

All variants

40 variants

Lineage

Original model Family: facebook/bart 588 derivatives on the Hub

finetune: 523adapter: 64quantized: 1

Top variants (40 shown, ranked by downloads)

Relation
40 rows
Variant Relation Quant Params Band License Author Likes Downloads
avisena/bart-base-job-info-summarizer finetune — 139M S unknown avisena 4 43.3k
scbirlab/lchemme-base-zinc22-lteq300 finetune — 101M S mit scbirlab 0 41k
s-nlp/bart-base-detox finetune — 139M S openrail++ s-nlp 12 27.3k
VidhuMathur/bart-log-summarization finetune — — — mit VidhuMathur 5 10.1k
GuysTrans/bart-base-finetuned-xsum finetune — 139M S apache-2.0 GuysTrans 0 9.8k
morenolq/bart-base-xsum finetune — 139M S apache-2.0 morenolq 2 5.5k
rrrr66254/Glossa-BART finetune — 139M S — rrrr66254 1 5.2k
Ssarion/bart-base-multi-news finetune — 139M S apache-2.0 Ssarion 0 3.7k
GuysTrans/bart-base-mini finetune — — — apache-2.0 GuysTrans 1 3k
razhan/bart-kurd-spell-base finetune — 139M S apache-2.0 razhan 5 2.5k
sjrhuschlee/bart-base-squad2 finetune — 139M S mit sjrhuschlee 0 1.7k
Someman/bart-hindi finetune — 139M S apache-2.0 Someman 1 1.2k
pijarcandra22/NMTIndoBaliBART finetune — — — apache-2.0 pijarcandra22 0 1.3k
cive202/humanize-ai-text-bart-base finetune — 139M S mit cive202 0 1.3k
raeidsaqur/bart-base finetune — 139M S apache-2.0 raeidsaqur 0 1.2k
GuysTrans/bart-base-vn-re-attention-vn-tokenizer finetune — 139M S apache-2.0 GuysTrans 0 953
eilamc14/bart-base-text-simplification finetune — 139M S apache-2.0 eilamc14 0 953
zbigi/bart-base-lora-summarization-medical adapter — — — apache-2.0 zbigi 1 867
diya2022/bart-text-summarizer finetune — 139M S apache-2.0 diya2022 1 861
santiviquez/bart-base-finetuned-samsum-en finetune — — — apache-2.0 santiviquez 0 910
Pavan48/bart-base-cnn-dailymail-highlights-128 finetune — 139M S mit Pavan48 0 773
rohitsroch/hybrid_hbh_bart-base_icsi_sum finetune — 139M S apache-2.0 rohitsroch 0 718
dtruong46me/train-bart-base finetune — 139M S mit dtruong46me 1 655
elvisbakunzi/dyslexia-friendly-text-simplifier finetune — 139M S apache-2.0 elvisbakunzi 0 704
rohitsroch/hybrid_utt-clusterrank_bart-base_samsum_sum finetune — 139M S apache-2.0 rohitsroch 0 688
eliolio/bart-finetuned-yelpreviews finetune — 139M S apache-2.0 eliolio 0 672
pszemraj/bart-base-code-instructiongen finetune — 139M S apache-2.0cc-by-nc-4.0 pszemraj 0 632
425GMM/bart-base-aslg-gloss finetune — 139M S apache-2.0 425GMM 0 631
yoeel/bart-cnn-summarizer finetune — 139M S apache-2.0 yoeel 0 623
CyrexPro/bart-base-finetuned-cnn_dailymail finetune — 139M S apache-2.0 CyrexPro 0 583
razhan/bart-kurd-spell-base-05 finetune — — — apache-2.0 razhan 0 543
Hawoly16/SN_chatbot finetune — 139M S apache-2.0 Hawoly16 0 529
xshubhamx/bart-base finetune — 140M S apache-2.0 xshubhamx 0 500
scbirlab/lchemme-base-dosedo-lteq300 finetune — 101M S mit scbirlab 0 491
GuysTrans/bart-base-re-attention-mini-seq-512 finetune — 139M S apache-2.0 GuysTrans 0 487
Vexemous/bart-base-finetuned-xsum finetune — 139M S apache-2.0 Vexemous 0 475
Binaryy/bart-base-finetuned-findsum finetune — 139M S apache-2.0 Binaryy 0 458
razhan/bart-kurd-spell-base-05_10 finetune — 139M S apache-2.0 razhan 0 457
rooftopcoder/tst-summarization finetune — — — apache-2.0 rooftopcoder 0 452
onionLad/grammar-correction-bart-base finetune — 139M S apache-2.0 onionLad 0 443

Repository changelog

19 commits

Repository changelog 19 commits

DateCommitSHA
2022-11-16 Adding `safetensors` variant of this model (#2) aadd2ab
2022-06-03 typo: encoder-encoder -> encoder-decoder (#1) 8435883
2022-03-09 Update config.json d0af988
2021-10-01 remove ipynb file ea0107e
2021-10-01 update mask token embeddings b0c3779
2021-09-16 Fix code example 7652e0c
2021-09-16 Add model card 51f9983
2021-06-14 add flax model c5eee23
2021-03-09 Move tokenizer.json from roberta-large c2469fb
2020-11-24 Added vocabulary files from robert-large repo df1e90c
2020-10-26 Update config.json b2ec1a3
2020-10-15 Update tf_model.h5 fc8b0d2
2020-10-05 Update config.json 2557745
2020-08-17 Update config.json d7db7a7
2020-06-15 Update config.json bc16ad0
2020-06-15 Update pytorch_model.bin 757bac0
2020-06-15 Update config.json a0f3da1
2020-06-15 Update config.json e658f90
2020-06-15 initial commit a1f138e

All providers

1 provider · 1 endpoint

Where to run 1 providers · 1 endpoints

Hosted endpoints observed for bart-base, sorted by input price (USD per million tokens). Each row names its observer and date; prices change daily, so check the source before quoting.

ProviderModel refContextQuant$/M in$/M outtok/sTTFTToolsStatusObserved
HF Inference
hf
facebook/bart-base — — — — — — — live 2026-10-25

Articles and coverage

2 pieces

Ranked by source signals (HN, Lobsters, authority domains, official posts) and recency. Summaries are generated from a stored copy of the article text; every sentence cites a span of that text, and nothing is shown that failed the citation check.

Analysis2

llm-explorer.com
mbrenndoerfer.com2025-01-13about the bart family9,765 words
BART combines a BERT-style bidirectional encoder with a GPT-style autoregressive decoder connected by cross-attention. The model was introduced in October 2019 by Mike Lewis, Yinhan Liu, Naman Goyal, Marjan Ghazvininejad, Abdelrahman Mohamed, Omer Levy, Ves Stoyanov, and Luke Zettlemoyer at Facebook AI Research.generated, cited

Papers

1 paper

Papers 1

arXiv links found in the model card and its tags. "Peer-reviewed" is shown only with evidence: a published venue in OpenAlex (measured) or the authors' own journal reference on arXiv (reported).

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Sources

3 sources

Sources

Hub snapshot: 2026-10-25 · HF API: 2026-10-24 21:35 UTC · Providers: 2026-10-24 21:44 UTC · Articles: 2026-10-24 21:45 UTC · Summary: 2026-10-07 15:03 UTC · Last verified 2026-10-25

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