AssemblyAI

With AssemblyAI's industry-leading Speech AI models, transcribe speech to text and extract insights from your voice data.

Funding

Series C ($115M)

G2 Rating

4.5/5

AI Classification

DataAIAI/ML Platform

AssemblyAI is a speech AI infrastructure company offering developer APIs for speech-to-text transcription, real-time streaming recognition, and audio intelligence (sentiment analysis, speaker diarization, topic detection, PII redaction). They serve 5,000+ companies ranging from startups to Fortune 500 enterprises including Zoom, Spotify, and CallRail.

Deep Intelligence

Buying Signals

Raised $158.1M total including a $50M Series C led by Accel with Insight Partners and Y Combinator — strong capital position for expansion
Announced Universal-3 Pro Streaming in 2025-2026 timeframe — active product development and model releases indicating R&D investment acceleration
Plans to grow headcount 50-75% from ~115-119 employees as of late 2023 — hiring surge underway
October 2025 release of multilingual streaming support (Spanish, French, German, Italian, Portuguese) indicates geographic market expansion
Processing 600M+ inference calls and 840M+ API calls per month with 40+ terabytes of audio daily — scaling infrastructure investment

Account Scoring

Tier ALow Churn RiskRecently Funded

Pain Signals

LeMUR framework deprecation deadline of March 31, 2026 forces existing customers to migrate to LLM Gateway — a near-term customer churn and re-onboarding risk
Legacy streaming endpoint sunset January 31, 2026 requires active customer migration effort — operational distraction for engineering and customer success teams
Only 1 page successfully scraped with no visible pricing tiers or tier-specific feature breakdowns — pricing transparency gap may create friction in self-serve conversion