AssemblyAI - Speech to Text API vs. Kaldi ASR
A side-by-side comparison based on G2 review data.
| Metric | AssemblyAI - Speech to Text API | Kaldi ASR |
|---|---|---|
| Overall rating | 4.6 | 4.1 |
| Review count | 126 | 21 |
| Ease of use | 9.2 | 7.5 |
| Ease of setup | 9.2 | 7.9 |
| Quality of support | 9.0 | 7.8 |
| Meets requirements | 9.1 | 8.9 |
| NPS | 76.8 | 47.619048 |
| Small Business | 78.8% | 61.9% |
| Mid-Market | 16.8% | 19.0% |
| Enterprise | 4.4% | 19.0% |
| Total page views | 753 | 25 |
| Total LLM citations | 73,605 | 83 |
AssemblyAI - Speech to Text API
Founded in 2017 and headquartered in San Francisco, AssemblyAI is a Voice AI platform serving over 200,000 developers worldwide. AssemblyAI specializes in providing speech recognition and understanding capabilities through API-based services, with a focus on conversation intelligence and voice agent applications. Companies ranging from early-stage startups to Fortune 500 enterprises across technology, healthcare, legal, and telecommunications industries rely on this comprehensive speech processing API.
- Accuracy
- Ease of Use
- Transcription Accuracy
- Transcripts
- Speed
- Implementation Ease
Kaldi ASR
Kaldi is an automatic speech recognition toolkit that supports linear transforms, MMI, boosted MMI and MCE discriminative training, feature-space discriminative training, and deep neural networks.