Speech Recognition on LibriSpeech test-other

Metric: Word Error Rate (WER) (lower is better)

LeaderboardDataset

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#	Model↕	Word Error Rate (WER)▲	Extra Data	Paper	Date↕	Code
1	SAMBA ASR	2.48	No	Samba-ASR: State-Of-The-Art Speech Recognition L...	2025-01-06	-
2	FAdam	2.49	No	FAdam: Adam is a natural gradient optimizer usin...	2024-05-21	Code
3	w2v-BERT XXL	2.5	No	W2v-BERT: Combining Contrastive Learning and Mas...	2021-08-07	Code
4	Conformer + Wav2vec 2.0 + SpecAugment-based Noisy Student Training with Libri-Light	2.6	No	Pushing the Limits of Semi-Supervised Learning f...	2020-10-20	Code
5	HuBERT with Libri-Light	2.9	No	HuBERT: Self-Supervised Speech Representation Le...	2021-06-14	Code
6	wav2vec 2.0 with Libri-Light	3	No	wav2vec 2.0: A Framework for Self-Supervised Lea...	2020-06-20	Code
7	Conv + Transformer + wav2vec2.0 + pseudo labeling	3.1	No	Self-training and Pre-training are Complementary...	2020-10-22	Code
8	WavLM Large	3.2	No	WavLM: Large-Scale Self-Supervised Pre-Training ...	2021-10-26	Code
9	SpeechStew (1B)	3.3	No	SpeechStew: Simply Mix All Available Speech Reco...	2021-04-05	-
10	ContextNet + SpecAugment-based Noisy Student Training with Libri-Light	3.4	No	Improved Noisy Student Training for Automatic Sp...	2020-05-19	Code
11	E-Branchformer (L) + Internal Language Model Estimation	3.65	No	E-Branchformer: Branchformer with Enhanced mergi...	2022-09-30	Code
12	data2vec	3.7	No	data2vec: A General Framework for Self-supervise...	2022-02-07	Code
13	Conv + Transformer AM + Iterative Pseudo-Labeling (n-gram LM + Transformer Rescoring)	3.83	No	Iterative Pseudo-Labeling for Speech Recognition	2020-05-19	Code
14	Conformer(L)	3.9	Yes	Conformer: Convolution-augmented Transformer for...	2020-05-16	Code
15	Zipformer+pruned transducer w/ CR-CTC (no external language model)	3.95	No	CR-CTC: Consistency regularization on CTC for im...	2024-10-07	Code
16	SpeechStew (100M)	4	No	SpeechStew: Simply Mix All Available Speech Reco...	2021-04-05	-
17	wav2vec 2.0	4.1	Yes	wav2vec 2.0: A Framework for Self-Supervised Lea...	2020-06-20	Code
18	ContextNet(L)	4.1	No	ContextNet: Improving Convolutional Neural Netwo...	2020-05-07	Code
19	Conv + Transformer AM (ConvLM with Transformer Rescoring)	4.11	Yes	End-to-end ASR: from Supervised to Semi-Supervis...	2019-11-19	Code
20	CTC + Transformer LM rescoring	4.2	Yes	Faster, Simpler and More Accurate Hybrid ASR Sys...	2020-05-19	-
21	Transformer Transducer	4.2	Yes	Improving RNN Transducer Based ASR with Auxiliar...	2020-11-05	Code
22	Qwen-Audio	4.2	No	Qwen-Audio: Advancing Universal Audio Understand...	2023-11-14	Code
23	Conformer(M)	4.3	Yes	Conformer: Convolution-augmented Transformer for...	2020-05-16	Code
24	Zipformer+CR-CTC (no external language model)	4.35	No	CR-CTC: Consistency regularization on CTC for im...	2024-10-07	Code
25	Zipformer+pruned transducer (no external language model)	4.38	No	Zipformer: A faster and better encoder for autom...	2023-10-17	Code
26	Multistream CNN with Self-Attentive SRU	4.46	No	ASAPP-ASR: Multistream CNN and Self-Attentive SR...	2020-05-21	-
27	ContextNet(M)	4.5	Yes	ContextNet: Improving Convolutional Neural Netwo...	2020-05-07	Code
28	hybrid + Transformer LM rescoring	4.85	Yes	Transformer-based Acoustic Modeling for Hybrid S...	2019-10-22	-
29	Branchformer + GFSA	4.94	No	Graph Convolutions Enrich the Self-Attention in ...	2023-12-07	Code
30	Hybrid model with Transformer rescoring	5	No	RWTH ASR Systems for LibriSpeech: Hybrid vs Atte...	2019-05-08	Code
31	Conformer(S)	5	Yes	Conformer: Convolution-augmented Transformer for...	2020-05-16	Code
32	Conv + Transformer AM (ConvLM with Transformer Rescoring) (LS only)	5.18	No	End-to-end ASR: from Supervised to Semi-Supervis...	2019-11-19	Code
33	ContextNet(S)	5.5	Yes	ContextNet: Improving Convolutional Neural Netwo...	2020-05-07	Code
34	LSTM Transducer	5.6	Yes	Librispeech Transducer Model with Internal Langu...	2021-04-07	Code
35	Transformer	5.7	Yes	A Comparative Study on Transformer vs RNN in Spe...	2019-09-13	Code
36	LAS + SpecAugment	5.8	Yes	SpecAugment: A Simple Data Augmentation Method f...	2019-04-18	Code
37	Multi-Stream Self-Attention With Dilated 1D Convolutions	5.8	No	State-of-the-Art Speech Recognition Using Multi-...	2019-10-01	Code
38	Squeezeformer (L)	5.97	No	Squeezeformer: An Efficient Transformer for Auto...	2022-06-02	Code
39	LAS (no LM)	6.5	Yes	SpecAugment: A Simple Data Augmentation Method f...	2019-04-18	Code
40	Conformer with Relaxed Attention	6.85	No	Relaxed Attention: A Simple Method to Boost Perf...	2021-07-02	Code
41	QuartzNet15x5	7.25	No	-	-	Code
42	tdnn + chain + rnnlm rescoring	7.63	Yes	-	-	-
43	Jasper DR 10x5 (+ Time/Freq Masks)	7.84	No	Jasper: An End-to-End Convolutional Neural Acous...	2019-04-05	Code
44	Espresso	8.7	No	Espresso: A Fast End-to-end Neural Speech Recogn...	2019-09-18	Code
45	Jasper DR 10x5	8.79	No	Jasper: An End-to-End Convolutional Neural Acous...	2019-04-05	Code
46	MT4SSL	9.6	No	MT4SSL: Boosting Self-Supervised Speech Represen...	2022-11-14	Code
47	Convolutional Speech Recognition	10.47	Yes	Fully Convolutional Speech Recognition	2018-12-17	-
48	CTC-CRF 4gram-LM	10.65	No	-	-	Code
49	TDNN + pNorm + speed up/down speech	12.5	No	-	-	-
50	Deep Speech 2	13.25	No	Deep Speech 2: End-to-End Speech Recognition in ...	2015-12-08	Code
51	Local Prior Matching (Large Model, ConvLM LM)	15.28	No	Semi-Supervised Speech Recognition via Local Pri...	2020-02-24	Code
52	Snips	16.5	No	Snips Voice Platform: an embedded Spoken Languag...	2018-05-25	Code
53	Local Prior Matching (Large Model)	20.84	Yes	Semi-Supervised Speech Recognition via Local Pri...	2020-02-24	Code