AssemblyAI
Fireflies.ai
| Feature | AssemblyAI | Fireflies.ai |
|---|---|---|
| Pricing | Free / from $0.12/mo | Free / from $18/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.5 / 5 | 4.4 / 5 |
| Best For | developers, podcast-platforms, meeting-tools, media-companies | sales-teams, recruiters, managers, customer-success, consultants |
| Founded | 2017 | 2016 |
| Speech To Text | ✓ | ✗ |
| Real Time Transcription | ✓ | ✗ |
| Speaker Diarization | ✓ | ✗ |
| Sentiment Analysis | ✓ | ✓ |
| Topic Detection | ✓ | ✗ |
| Content Moderation | ✓ | ✗ |
| Summarization | ✓ | ✗ |
| Transcription | ✗ | ✓ |
| Ai Summary | ✗ | ✓ |
| Crm Sync | ✗ | ✓ |
| Conversation Intelligence | ✗ | ✓ |
| Ask Fred | ✗ | ✓ |
| Topic Tracking | ✗ | ✓ |
✓ AssemblyAI Pros
- Industry-leading transcription accuracy
- Real-time and async transcription support
- Built-in audio intelligence (sentiment, topics, entities)
- Generous free tier with 100 hours included
✗ AssemblyAI Cons
- API-only (no consumer-facing UI)
- Per-hour pricing can add up for high volume
- Limited language support compared to competitors
✓ Fireflies.ai Pros
- Integrates with 40+ tools including CRM
- Conversation intelligence metrics
- AskFred AI chatbot for meeting queries
- Automatic meeting log to CRM
✗ Fireflies.ai Cons
- Audio quality affects transcription
- Can feel intrusive to meeting participants
- Advanced analytics only on higher plans
The Verdict
AssemblyAI is built for developers and podcast platforms, with a focus on speech-to-text and real-time-transcription. Fireflies.ai targets sales teams and recruiters and leads with transcription and ai-summary.
On pricing, AssemblyAI is the clear winner for budget-conscious users — starting at $0.12/mo compared to $18/mo for Fireflies.ai. That $17.88/mo difference adds up quickly for growing teams.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.