Voice

Cartesia

Ultra-low-latency voice AI on Mamba SSMs

Doubao 豆包 (ByteDance)

ByteDance's flagship consumer AI assistant

Fini

Per-resolution AI support agent that acts, not just answers

FPT.AI

FPT Corp's Vietnamese AI suite behind eKYC, OCR and voice agents

Hume AI

Empathic voice AI that responds to emotion

Hume EVI

Empathic voice interface (subset of Hume AI)

iFlytek Spark 讯飞星火

iFlytek's flagship LLM — strong voice + Chinese capability

Kruti

Ola Krutrim's agentic assistant — discontinued as of April 2026

OpenAI Realtime API

Speech-to-speech voice-agent API, billed per audio token

Pi

Free empathetic AI chat — Inflection's frontier ambitions are gone

Podcastle

All-in-one browser podcast studio, now rebranded Async

StepFun Yuewen 阶跃星辰 跃问

StepFun's multimodal chat app, backed by a $717M round and IPO plans

Superwhisper

Local voice-to-text dictation for macOS

Verloop.io

Customer-support automation for chat and voice, India/Gulf-focused

Voiceflow

AI agent platform for customer experience — chat, voice, and API.

Wispr Flow

Voice-first text input with AI cleanup