Head to head
AssemblyAI vs Deepgram
As a speech-to-text API, Deepgram rates higher on the APIbenchmarks Index, 87.5 to 86.9, a 0.6-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | AssemblyAI | Deepgram |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 86.9 | 87.5 |
Specifications
| AssemblyAI | Deepgram | |
|---|---|---|
| Best for | Accurate STT plus audio intelligence | Real-time streaming STT for voice agents |
| Free tier | $50 one-time credit | $200 credit, no card |
| Pricing | Per minute (usage-based) | Per minute (usage-based) |
| Official SDKs | 7 languages | 9 languages |
Is AssemblyAI better than Deepgram?
On the APIbenchmarks Index, Deepgram rates higher (87.5 vs 86.9). It leads on the four weighted criteria, but price is reported separately, so the best choice still depends on your budget.