AssemblyAI

AssemblyAI provides AI models for transcribing and understanding speech. Their products include Speech-to-Text, Streaming Speech-to-Text, and Speech Understanding APIs. They focus on enabling developers to build new experiences and products using voice data.

AssemblyAI offers speech-to-text and speech understanding APIs, which aligns with the API Access feature. Their speech understanding capabilities, including extracting insights and generating summaries, indicate Conversational AI. The mention of customizable speech language models suggests Fine-Tuning & Custom Models.