Kugel Ear

Kugel Ear 1 is a speech-to-text model for voice agents that flags unsure words and provides alternative spellings.

Kugel Ear 1 is a speech-to-text product designed for voice agents and LLMs. It works via a single WebSocket where you stream audio and receive the final transcript alongside flagged unsure words with alternative spellings. It detects when callers finish speaking to avoid cutting them off during pauses. It supports nine European languages, allowing you to name one or let it detect per turn. It runs via API and is built for customer support and live calls.

Kugel Ear at a glance

Best for: Software engineer
Runs on: API
Pricing: €0.48 per hour for Kugel Ear 1; Text to Speech kugel-3 €0.07/minute; Text to Speech Turbo kugel-2-turbo €0.035/minute; Clarity €0.0015/minute; Enterprise custom
Released: October 2026
Category: AI audio tool
Website: kugelaudio.com/kugel-ear-1

Key features

Flags unsure words with heard alternatives
Detects end of turn during pauses
Streams final transcript in 72 ms
Supports nine European languages
Processes audio via WebSocket

Use it for

Powering voice bots for customer support calls
Transcribing live audio streams for LLMs
Handling calls with names and addresses

Alternatives to Kugel Ear

Kugel 3.5 — It improves accuracy on phone conversation details at 25% less per minute than Kugel 3.
AssemblyAI — Industry-leading speech models deliver high accuracy and low latency for voice applications.
Speaches — It acts as an Ollama equivalent for running local TTS and STT models.
FluidAudio — Runs local audio AI models on Apple Neural Engine.
Whisper ASR Webservice — Provides a REST API for multiple ASR engines including WhisperX and Faster Whisper.
WeNet — Achieves state-of-the-art results on public speech datasets.
AuK — It handles zero-shot TTS, editing, and enhancement via natural language.
Piper — Runs locally and offers fast neural text-to-speech synthesis.
Speech-to-Speech — Fully modular, swappable components with local or hosted execution options.
SenseVoice — It runs over five times faster than Whisper-Small with low-latency inference.
Vosk — It enables offline, low-latency speech recognition on small devices.
Qwen Audio Agent — Separates voice conversation from task execution for continuous interaction.

All Kugel Ear alternatives