Best speech-to-text models

Transcription models by word error rate, lowest first.

Fun-Realtime-ASR-preview leads from Alibaba, ahead of 57 others.

  1. 1Alibaba

    Fun-Realtime-ASR-preview

    0.02 word error rate

  2. 2StepFun

    StepAudio 3 ASR

    0.02 word error rate

  3. 3Microsoft AI

    MAI-Transcribe-2

    0.02 word error rate

ranked by word error rate · 58 models · updated Oct 15 · 1–50

#ModelWord error rate
1Fun-Realtime-ASR-preview
0.02
2StepAudio 3 ASR
0.02
3MAI-Transcribe-2
0.02
4Scribe v2, ElevenLabs
0.02
5Grok Voice Transcribe 2.0
0.02
6Smallest AI Pulse Pro
0.02
7MAI-Transcribe-1.5
0.02
8Gemini 3.5 Transcribe
0.03
9Voxtral Small, Mistral
0.03
10Gemini 3.1 Pro Preview (High)
0.03
11Zoom Scribe V2 Pro
0.03
12Gemini 3 Flash (High), Google
0.03
13Gemini 2.5 Pro, Google
0.03
14Universal-3.5 Pro, AssemblyAI
0.03
15Universal-3 Pro, AssemblyAI
0.03
16Solaria-3, Gladia
0.03
17GPT Transcribe, OpenAI
0.03
18Gemini 3.1 Flash-Lite Preview (Minimal)
0.03
19Resonant-1
0.03
20Qwen3.5 Omni Plus
0.04
21Inkling (256K), Thinking Machines
0.04
22Gemini 3.1 Pro Preview (Low)
0.04
23Voxtral Mini Transcribe 2, Mistral
0.04
24Universal, AssemblyAI
0.04
25Soniox v5 Async
0.04
26Inworld STT 1
0.04
27GPT-4o Transcribe, OpenAI
0.04
28Grok Voice Transcribe 1.0
0.04
29Speechmatics Enhanced
0.04
30Solaria-1, Gladia
0.04
31Whisper Large v2, OpenAI
0.04
32Amazon Transcribe
0.04
33Whisper Large v3, OpenAI
0.04
34Modulate STT Batch English VFast
0.04
35Chirp 3, Google
0.04
36Canary Qwen 2.5B, NVIDIA
0.04
37Smallest AI Pulse
0.04
38GPT-4o Mini Transcribe, OpenAI
0.04
39Whisper Large v3 Turbo, OpenAI
0.05
40Cohere Transcribe
0.05
41StepAudio 2.5 ASR, StepFun
0.05
42Nova 2 Pro, Amazon
0.05
43Melia
0.05
44Gemini 2.5 Flash, Google
0.05
45Speechmatics Standard
0.05
46Gemini 2.5 Lite, Google
0.05
47Nova-3, Deepgram
0.05
48Parakeet RNNT 1.1B, NVIDIA
0.05
49Nova 2 Omni, Amazon
0.06
50Chirp 2, Google
0.06

what word error rate means

The share of words a model gets wrong when transcribing. Lower is better, so this board ranks upward from zero.