ToolAssemblyAI/10 trustMetrics-checked
AssemblyAI
Speech AI API — transcription plus audio intelligence.
About
AssemblyAI (assemblyai.com) is the speech AI API: transcription plus audio intelligence (summarization, sentiment, PII redaction, content moderation) in one call.
Strong docs and a solid Deepgram alternative — the differentiator is the built-in audio-intelligence models that save you a second processing pass. Usage-based pricing.
What it can do
- Transcription API
- Audio intelligence models
- PII redaction
- Summarization and sentiment
- Real-time streaming
Setup
- Sign up at assemblyai.com and get an API key.
- POST audio for transcription.
- Enable audio-intelligence models (summarize, redact, moderate).
Prerequisites
API key.
Use cases
audioautomationdata
Works with
Generic APIAny agent (.md)
Trust score — 7/10
/10 trustMetrics-checked
Scored 7/10 (metrics tier). Solid STT + audio-intelligence API with strong docs, but proprietary with provider-estimated adoption. Metrics tier.
How the trust score is built
Full methodology →- Adoption · stars/downloads, log-scaled vs peers
- 7.0/10
- Maintenance · recency, releases, issue load
- 7.0/10
- Openness · license + docs
- 4.8/10
- Manual review · sanity read + red-flag check
- 8.0/10
- · provider-tier estimate — thinner evidence (no public adoption metric)
- · STT API; no public repo — adoption estimated
- · released 285 days ago
- · manual review: speech AI API (transcription + audio intelligence); strong docs; solid Deepgram alternative; license: proprietary
Sources
Every fact above was checked against these sources. Where a claim comes from the provider and couldn't be independently verified, the text says so.