AssemblyAI - Speech to Text API vs. PolyAI
A side-by-side comparison based on G2 review data.
| Metric | AssemblyAI - Speech to Text API | PolyAI |
|---|---|---|
| Overall rating | 4.6 | 5.0 |
| Review count | 126 | 12 |
| Ease of use | 9.2 | 10.0 |
| Ease of setup | 9.2 | 10.0 |
| Quality of support | 9.0 | 10.0 |
| Meets requirements | 9.1 | 10.0 |
| NPS | 76.8 | 100 |
| Small Business | 78.8% | 25.0% |
| Mid-Market | 16.8% | 25.0% |
| Enterprise | 4.4% | 50.0% |
| Total page views | 753 | 822 |
| Total LLM citations | 73,605 | 8,873 |
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
PolyAI
PolyAI is the Agentic Dialog Platform for building the conversational enterprise, used to build, run, govern, and improve dialog agents at scale. Proven on more than a billion conversations and powered by our proprietary model Dialog-RSN-1, our agents are built for complexity, open at every layer, and sovereign by design. We serve hundreds of enterprises across 75 languages and 25 countries, including Metro Bank, Marriott, PG&E, and UniCredit.
- Artificial Intelligence
- Automation
- Chatbot Development
- Customer Engagement
- Chatbots
- Ease of Use