AssemblyAI

What it is

AssemblyAI provides speech AI as clean developer APIs: its Universal models lead accuracy benchmarks, with speaker diarization, PII redaction, sentiment, chapters, and real-time streaming. LeMUR layers LLMs over transcripts so products can summarize and answer questions about audio. Powers call intelligence, meeting, and media apps.

Key features

• Universal high-accuracy STT
• Speaker diarization and PII redaction
• Real-time streaming
• LeMUR LLM audio analysis