Head to head / AI Transcription
AssemblyAI vs Gladia
- →AssemblyAI has a free tier to start; Gladia does not.
- →AssemblyAI is cheaper to start ($0.15/hr vs $0.61/hr).
| Compared | AssemblyAI | Gladia |
|---|---|---|
| Accuracy (tested) | 96.9% | Not tested |
| Starting price | $0.15/hr | $0.61/hr |
| Free tier | Yes | — |
| Visit AssemblyAI | Visit Gladia |
Feature by feature
| Feature | AssemblyAI | Gladia |
|---|---|---|
| Languages | 99+ | 100+ |
| API | Yes | Yes (core product) |
| Real-time | Yes | Yes |
| Speaker labels | Yes | Yes (diarization) |
| Export formats | JSON, TXT, SRT, VTT | JSON, SRT, VTT |
| Human option | No | No |
AssemblyAI
Developers who want a speech-to-text API with built-in audio intelligence like summarization, sentiment, and LLM queries.
- +Universal-2 model, strong English accuracy
- +LeMUR runs LLMs over your transcripts
- +Sentiment, topics, PII redaction built in
- +Generous free credit to start
Gladia
Developers who need cheap, high-volume speech-to-text with real-time streaming and diarization in a single API.
- +Very low per-hour cost, especially at committed volume
- +100+ languages with automatic language detection
- +Async and real-time streaming in one API
- +10 free hours every month
Compared on the metrics we track for this category. Prices are the cheapest paid tier. Some links are affiliate links.