AssemblyAI
Together AI
| Feature | AssemblyAI | Together AI |
|---|---|---|
| Pricing | Free / from $0.12/mo | Free only |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.5 / 5 | 4.4 / 5 |
| Best For | developers, podcast-platforms, meeting-tools, media-companies | ai-developers, startups, cost-conscious-teams, open-source-advocates |
| Founded | 2017 | 2022 |
| Speech To Text | ✓ | ✗ |
| Real Time Transcription | ✓ | ✗ |
| Speaker Diarization | ✓ | ✗ |
| Sentiment Analysis | ✓ | ✗ |
| Topic Detection | ✓ | ✗ |
| Content Moderation | ✓ | ✗ |
| Summarization | ✓ | ✗ |
| Inference Api | ✗ | ✓ |
| Fine Tuning | ✗ | ✓ |
| Custom Models | ✗ | ✓ |
| Openai Compatibility | ✗ | ✓ |
| Batch Processing | ✗ | ✓ |
| Embeddings | ✗ | ✓ |
✓ 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
✓ Together AI Pros
- Fast inference speeds
- OpenAI-compatible API
- Cheaper than OpenAI for many models
- Custom model fine-tuning
✗ Together AI Cons
- Only open-source models
- Limited compared to full cloud providers
- Newer platform
The Verdict
AssemblyAI is built for developers and podcast platforms, with a focus on speech-to-text and real-time-transcription. Together AI targets ai developers and startups and leads with inference-api and fine-tuning.
Together AI uses custom enterprise pricing, while AssemblyAI starts at $0.12/mo — a tangible advantage for teams with a fixed budget.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Feature-wise, AssemblyAI offers broader built-in capabilities (7 features vs 6), while Together AI takes a more focused approach — which can mean a simpler, faster onboarding experience.
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.