{"id":"assemblyai-api","name":"AssemblyAI API","homepage":"https://www.assemblyai.com","repo_url":null,"category":"ai-ml","subcategories":["speech-to-text","nlp","audio"],"tags":["assemblyai","speech-to-text","transcription","nlp","sentiment-analysis","pii-detection","rest-api","sdk"],"what_it_does":"Speech-to-text API with built-in LLM-powered features including transcription, speaker diarization, sentiment analysis, summarization, and PII detection from audio.","use_cases":["Transcribing meeting recordings with speaker labels","Building voice-enabled agents that process audio input","Detecting PII in call center audio for compliance","Generating meeting summaries and action items from recordings","Sentiment analysis on customer support calls"],"not_for":["Real-time transcription with sub-100ms latency (use streaming for near-real-time)","Languages with limited audio training data outside their supported set","Very short audio clips where transcription overhead dominates"],"best_when":"You need transcription plus downstream audio intelligence (sentiment, PII, summaries) in one API call.","avoid_when":"You only need basic transcription and want the cheapest possible option, or need true real-time streaming with very low latency.","alternatives":["deepgram-api","openai-api"],"af_score":82.0,"security_score":null,"reliability_score":null,"package_type":"mcp_server","discovery_source":["github"],"priority":"low","status":"evaluated","version_evaluated":"current","last_evaluated":"2026-03-01T09:50:05.255936+00:00","performance":{"latency_p50_ms":3000,"latency_p99_ms":30000,"uptime_sla_percent":99.5,"rate_limits":"5 concurrent transcriptions on free; higher on paid","data_source":"llm_estimated","measured_on":null}}