AssemblyAI vs Deepgram
Deepgram scores higher overall: 76/100 (A-tier) vs 72/100 (A-tier) for AssemblyAI in Voice, TTS & audio/music. Deepgram leads on job fit, momentum and builder/gamer bonus. They tie on ease, value, openness & portability and trust & maturity.
Scores are initial editorial estimates from public information, not hands-on tests. How we score →
Side by side
| AssemblyAI | Deepgram | |
|---|---|---|
| Tier | A | A |
| Overall score | 72/100 | 76/100 |
| Job fit | 18/30 | 20/30 |
| Ease / time-to-first-result | 13/15 | 13/15 |
| Value | 12/15 | 12/15 |
| Momentum | 10/15 | 11/15 |
| Openness & portability | 7/10 | 7/10 |
| Trust & maturity | 9/10 | 9/10 |
| Builder/gamer bonus | 3/5 | 4/5 |
| What it does | Transcription and audio intelligence API with speaker labels and summaries. | Fast, accurate transcription, TTS and voice agent APIs for developers. |
| Best for | You need accurate transcription via API. | You build real-time voice apps. |
| Skip it if | You want local processing. | You need a consumer app. |
| Pricing | Free to start, then pay-as-you-go; speech-to-text from $0.15/hr ✓ verified on the official pricing page, Oct 18, 2026 | Free $200 credit, then pay-as-you-go; Growth from $4K/year ✓ verified on the official pricing page, Oct 18, 2026 |
| Starting paid price | $0.15/hr (pay-as-you-go) | Pay-as-you-go (e.g. $0.0065/min) |
| Free tier | Yes | Yes |
| Platforms | API | API |
| Open source | No | No |
| Official site | assemblyai.com | deepgram.com |
| Last reviewed | Oct 18, 2026 | Oct 18, 2026 |
Which should you pick?
Pick AssemblyAI if…
You need accurate transcription via API.
Pick Deepgram if…
You build real-time voice apps.
FAQ
Is AssemblyAI better than Deepgram?
Deepgram scores higher overall: 76/100 (A-tier) vs 72/100 (A-tier) for AssemblyAI in Voice, TTS & audio/music. Deepgram leads on job fit, momentum and builder/gamer bonus. They tie on ease, value, openness & portability and trust & maturity. The better pick depends on the job: choose AssemblyAI if you need accurate transcription via API. Choose Deepgram if you build real-time voice apps.
Do AssemblyAI and Deepgram have free tiers?
AssemblyAI: free tier listed (verified on the official pricing page Oct 18, 2026). Deepgram: free tier listed (verified on the official pricing page Oct 18, 2026). Unverified means an editorial summary not yet confirmed on the vendor's pricing page.
Is AssemblyAI or Deepgram open source?
AssemblyAI is not open source; Deepgram is not open source.
How are these scores calculated?
Both tools are scored out of 100 on the same public rubric (job fit 30, ease 15, value 15, momentum 15, openness 10, trust 10, builder/gamer bonus 5) within their category. Current scores are initial editorial estimates from public information, not hands-on tests. Sponsors cannot buy points.
Keep exploring
- AssemblyAI review and score breakdown
- Deepgram review and score breakdown
- Best AI voice, TTS and audio tools
- Best AI transcription and speech-to-text tools
- Voice, TTS & audio/music tier list