Production-grade ASR + LLMs. $50 free credits.
// At a glance
Free Tier
$50 credits · no card
// Free tier details
Available Models
Universal-2Nano
Monthly Requests
$50 free credits
// Quick start
300">"text-purple-400">import assemblyai 300">"text-purple-400">as aai
aai.settings.api_key = 300">"YOUR_ASSEMBLYAI_KEY"
transcriber = aai.Transcriber()
transcript = transcriber.transcribe(300">"https://example.com/audio.mp3")
print(transcript.text)
// Overview
Universal-2 model handles noisy audio and multi-speaker scenarios. Includes LLM-powered summarization and sentiment analysis.
// Pros
- Strong diarization
- Includes LLM summarization
- Clean API
// Cons
- More expensive than Deepgram
- No TTS
// Score breakdown
Reliability (35%) (from 2m ago health check)100/100
Free Tier Generosity (30%) (computed from quota, no-CC, no-phone fields)85/100
Documentation (20%) (human rating)90/100
Popularity (15%) (GitHub stars (log-normalised), or manual baseline)84/100
Methodology: apivault.dev/methodology
// Best for
Meeting transcriptionCall centersPodcast search