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Automatic Speech Recognition on AISHELL-1 (test)

0.57CERFireRedASR2-AED
0.35681.79593.2354.6741Dec 10, 2020Nov 8, 2021Oct 8, 2022Sep 7, 2023Aug 5, 2024Jul 5, 2025Jun 4, 2026

Evaluation results

MethodLinks
FireRedASR2-AEDParameters=1B+, Streaming setting=non-streaming2026.030.57————————
NIM4-ASRModel Size=2.3B, Inference Mode=Offline2026.040.57————————
OursModel Size=2.3B2026.040.59————————
NIM4-ASRModel Size=2.3B, Inference Mode=Stream2026.040.6————————
FireRedASR2-LLMParameters=8B+, Streaming setting=non-streaming2026.030.64————————
FireRedASR2S LLMModel Size=8B+, Inference Mode=Offline2026.040.64————————
FireRedASR-LLMModel Size=8B+ (↑)2026.040.73————————
Step-Audio2-miniModel Size=8B+ (↑)2026.040.81————————
Step-Audio2 MiniModel Size=8B+, Inference Mode=Offline2026.040.81————————
Qwen3-Omni-InstModel Size=30B-A3B (↑)2026.040.92————————
Qwen3-Omni InstructModel Size=30B-A3B, Inference Mode=Offline2026.040.92————————
Qwen2.5-Omni-7BModel Parameters=7B2026.031.12————————
Qwen3-ASRType=open-source checkpoint, Streaming setting=non-streaming2026.031.48————————
Qwen3-ASR-1.7BModel Size=2.0B (↓)2026.041.51————————
Qwen3-ASR 1.7BModel Size=2.0B, Inference Mode=Offline2026.041.51————————
Doubao-ASRType=commercial API, Streaming setting=non-streaming, ITN and punctuation setting=disabled, VAD configuration=default2026.031.52————————
Fun-ASRType=commercial API, Streaming setting=non-streaming, ITN and punctuation setting=disabled, VAD configuration=default2026.031.64————————
Fun-ASR-nanoModel Size=0.8B (↓)2026.041.81————————
Fun-ASR NanoModel Size=0.8B, Inference Mode=Offline2026.041.81————————
Baichuan-Omni-1.5Model Parameters=7B2026.032.37————————
GLM-ASR-nanoModel Size=1.5B (↓)2026.042.41————————
GLM-ASR NanoModel Size=1.5B, Inference Mode=Offline2026.042.41————————
GLM-4-VoiceModel Parameters=9B2026.032.46————————
O_cpLanguage=Man2023.093.1————————
SE-WSBOLanguage Model usage=With LM2022.074.05————————
UOT-BERT-CTClambda1=0.5, lambda2=1.0, epsilon=0.05, eta=0.3, Decoding strategy=CTC greedy search-based2025.094.06————————
Neural TransducerLM=true, # Param=90 M2023.014.1————————
CIF + HKDLM=true, # Param=47 M2023.014.1————————
O_nbLanguage=Man2023.094.1————————
UOT-BERT-CTClambda1=1.0, lambda2=1.0, epsilon=0.05, eta=0.3, Decoding strategy=CTC greedy search-based2025.094.13————————
UOT-BERT-CTClambda1=1.0, lambda2=0.5, epsilon=0.05, eta=0.3, Decoding strategy=CTC greedy search-based2025.094.13————————
Neural Transducer+LFMMILanguage Model usage=With LM2022.074.18————————
OT-BERT-CTCDecoding strategy=CTC greedy search-based, eta=0.32025.094.19————————
CIF + HKDLM=false, # Param=47 M2023.014.2————————
UOT-BERT-CTClambda1=10.0, lambda2=10.0, epsilon=0.05, eta=0.3, Decoding strategy=CTC greedy search-based2025.094.21————————
Base-WSBOLanguage Model usage=With LM2022.074.22————————
K2Language Model usage=With LM2022.074.26————————
Base-WSBO+SoftmaxLanguage Model usage=With LM2022.074.28————————
Zipformer-LParams (M)=157.3, Type=pruned transducer2023.104.28————————
SE-WSBOLanguage Model usage=No LM2022.074.29————————
Icefall2023.014.3————————
WeNetLanguage Model usage=With LM2022.074.36————————
BranchformerLM=false, # Param=45 M2023.014.4————————
WeNet# Param=46 M2023.014.4————————
CIF + LRDLM=true, # Param=47 M2023.014.4————————
Zipformer-MParams (M)=73.4, Type=pruned transducer2023.104.4————————
BranchformerParams (M)=45.4, Type=CTC/AED2023.104.43————————
Branchformer (B), hybridType=AR, Params=45M, LM usage=without LM, Decoding beam size=102025.094.43————————
UMA-Split (prop.)Type=NAR, Params=46M, LM usage=without LM2025.094.43————————
Base-WSBOLanguage Model usage=No LM2022.074.48————————
CIF + LRDLM=false, # Param=47 M2023.014.5————————
E-Branchformer in ESPnetParams (M)=37.9, Type=CTC/AED2023.104.5————————
E-Branchformer, hybridType=AR, Params=57M, LM usage=without LM, Decoding beam size=102025.094.53————————
UMA-Split (w/o split module)Type=NAR, Params=45M, LM usage=without LM2025.094.53————————
Base-WSBO+SoftmaxLanguage Model usage=No LM2022.074.54————————
CIF + ACDLM=true, # Param=47 M2023.014.6————————
Hybrid (Conformer)Search=beam search, RTF=0.461, Params (M)=46.32023.094.6————————
WeNetLanguage Model usage=No LM2022.074.61————————
Conformer in WeNetParams (M)=46.3, Type=CTC/AED2023.104.61————————
EffectiveASR LargeType=NAR, Params=76M, LM usage=without LM2025.094.62————————
Zipformer-SParams (M)=30.2, Type=pruned transducer2023.104.67————————
LAStraining hours=18.12024.094.67————————
NAR-BERT-ASRDecoding strategy=CTC greedy search-based, eta=0.32025.094.68————————
EspnetLanguage Model usage=With LM2022.074.7————————
ESPnet ConformerLM=true, # Param=46 M2023.014.7————————
CIF + ACDLM=false, # Param=47 M2023.014.7————————
UMA + self-conditionRTF=0.045, Params (M)=44.72023.094.7————————
Original UMA ConformerType=NAR, Params=45M, LM usage=without LM2025.094.7————————
Lightweight Transducertraining hours=18.62024.094.76————————
CIFLM=true, # Param=47 M2023.014.8————————
UMARTF=0.039, Params (M)=42.62023.094.8————————
Zipformer-M, CTCType=NAR, Params=66M, LM usage=without LM2025.094.8————————
Conformer+CTC/AEDDecoding strategy=CTC greedy search-based, eta=0.32025.094.82————————
EspnetLanguage Model usage=No LM2022.074.9————————
ESPnet ConformerLM=false, # Param=46 M2023.014.9————————
CIFLM=false, # Param=47 M2023.014.9————————
Self-conditioned CTCRTF=0.059, Params (M)=51.52023.094.9————————
Conformer in ESPnetParams (M)=46.2, Type=CTC/AED2023.104.9————————
ProposedModel type=decoder-only, Streaming=false2026.014.9————————
Paraformer-v2 (S)Type=NAR, Params=50M, LM usage=without LM2025.094.9————————
CTC Infer w/o AED headType=NAR, Params=46M, LM usage=without LM2025.094.91————————
H2T-LoRALanguage=Man, Foundation Model=Chinese LlaMa2-7b, Training Pairs=20k Hypotheses-Transcription pairs2023.095————————
WeNet-U2Model type=encoder-decoder, Streaming=false2026.015————————
Transducertraining hours=64.22024.095.07————————
ProposedModel type=decoder-only, Streaming=true2026.015.1————————
Paraformer2023.095.2————————
Clean (No Attack)Defense=TI, Defense Type=Adversarial Training2026.065.22————————
BESTOWModel type=decoder-only, Streaming=true2026.015.3————————
U2params(M)=47, latency(ms)=320 + Δ2020.125.33————————
Muting WhisperDefense=TI, Defense Type=Adversarial Training2026.065.41————————
SPEECH-OMNI-LITEModel Parameters=32B, Projector-only training=true2026.035.46————————
Clean (No Attack)Defense=CE-AT, Defense Type=Adversarial Training2026.065.51————————
Hybrid (Conformer)RTF=0.125, Params (M)=46.32023.095.6————————
Clean (No Attack)Defense=DMW, Defense Type=Adversarial Training2026.065.66————————
Clean (No Attack)Defense=PVP Vote, Defense Type=Input Preprocessing2026.065.75————————
Conformer+CTCDecoding strategy=CTC greedy search-based, eta=0.32025.095.76————————
SPEECH-OMNI-LITEModel Parameters=8B2026.035.77————————
Clean (No Attack)Defense=DT-AT, Defense Type=Adversarial Training2026.065.87————————
Muting WhisperDefense=DMW, Defense Type=Adversarial Training2026.065.87————————
BTIModel type=decoder-only, Streaming=true2026.015.9————————