Skip to main content
📖 The AI Tool Bible

ElevenLabs Conversational AI vs Kyutai Moshi

A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.

 ElevenLabs Conversational AI logo
ElevenLabs Conversational AI
Audio
Kyutai Moshi logo
Kyutai Moshi
Audio
TaglineProduction-grade voice agent platform layering ElevenLabs TTS, ASR, and LLM orchestration into a single deployable stack.Open-source, full-duplex speech-to-speech foundation model with sub-200ms latency
CategoryAudioAudio
PricingPaid· Free: $0 · Starter: $6 · Creator: $11 · Pro: $99 · Scale: $299Free· Free and open source. Models under CC-BY 4.0, code under MIT (Python) / Apache 2.0 (Rust). Self-hosted only — you pay your own compute (24GB+ GPU for PyTorch, or Apple Silicon via MLX).
ModelElevenLabs Scribe (ASR) + pluggable LLM + ElevenLabs TTSMoshi (7B-class speech-text foundation model) + Mimi neural audio codec, in-house by Kyutai
Editorial score8.1 / 10—
Use cases
voice-agentsivr-replacementcustomer-supportphone-automationmultilingual-chatbots
Real-time voice assistant prototypesResearch on full-duplex spoken dialogueOn-device voice interaction on Apple Silicon via MLXLow-latency conversational agents behind WebSocketNeural audio codec experimentation with MimiSelf-hosted voice interface for privacy-sensitive appsSpeech tokenizer for downstream audio LLM trainingInterruptible in-car or wearable voice UX
Pros
  • Best-in-class voice quality inherited from ElevenLabs TTS
  • Sub-second latency good enough for real phone calls
  • 70+ languages with live detection and switching
  • SOC 2, HIPAA, and GDPR compliance baked in
  • SDKs plus telephony integrations (Twilio, Genesys, SIP)
  • Truly full-duplex — handles interruptions, overlap and back-channels rather than rigid turn-taking
  • Sub-200ms practical latency on a single L4 GPU, well below third-party voice APIs
  • Fully open weights (CC-BY 4.0) plus MIT/Apache code — self-host with no per-minute billing
  • Ships with Mimi, a streaming neural audio codec that beats SpeechTokenizer and SemantiCodec
  • Multiple inference backends: PyTorch for research, Rust/Candle for production, MLX for on-device Mac/iPhone
  • Inner-monologue text prediction gives you a transcript alongside the audio stream for free
Cons
  • Pricing opaque on the product page; sales-led for real deployments
  • Closed source with no self-hosted option
  • Locked into ElevenLabs' voice and ASR stack
  • English-only voices at launch — no multilingual support out of the box
  • Knowledge and reasoning quality trail top text LLMs; it's a 7B-class model, not GPT-4o Voice
  • Requires a 24GB+ GPU for the reference PyTorch build; on-device is only viable via MLX on Apple Silicon
  • No hosted API or SaaS tier — you own the ops, scaling and safety filtering
  • Only two fixed synthetic voices (Moshiko/Moshika); no voice cloning or speaker conditioning in the release
Websiteelevenlabs.iokyutai.org
Pick ElevenLabs Conversational AI if
  • ✅ Best-in-class voice quality inherited from ElevenLabs TTS
  • ✅ Sub-second latency good enough for real phone calls
  • ✅ 70+ languages with live detection and switching
  • ✅ SOC 2, HIPAA, and GDPR compliance baked in
Pick Kyutai Moshi if
  • ✅ Truly full-duplex — handles interruptions, overlap and back-channels rather than rigid turn-taking
  • ✅ Sub-200ms practical latency on a single L4 GPU, well below third-party voice APIs
  • ✅ Fully open weights (CC-BY 4.0) plus MIT/Apache code — self-host with no per-minute billing
  • ✅ Ships with Mimi, a streaming neural audio codec that beats SpeechTokenizer and SemantiCodec