Grain vs Kyutai Moshi
A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.
Grain Audio | Kyutai Moshi Audio | |
|---|---|---|
| Tagline | AI meeting notes, coaching, and an MCP feed for your agents | Open-source, full-duplex speech-to-speech foundation model with sub-200ms latency |
| Category | Audio | Audio |
| Pricing | Freemium· Free (45-min meeting cap, 90-day history) / Starter ~$15 per user/mo (unlimited meetings, advanced AI) / Business & Enterprise tiers with CRM sync and admin controls | Free· 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). |
| Model | Claude, ChatGPT | Moshi (7B-class speech-text foundation model) + Mimi neural audio codec, in-house by Kyutai |
| Editorial score | 8.3 / 10 | — |
| Use cases | AI meeting notes and summariesSales call transcription and coachingCustomer discovery call analysisCRM auto-updates from meetingsHighlight clip sharing to Slack/NotionCross-meeting AI Q&A searchMCP feed into Claude or ChatGPT agentsProduct research interview libraryDeal review and pipeline insightsCustomer success handoff documentation | 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 |
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| Website | grain.com | kyutai.org |
Pick Grain if
- ✅ Bot-less desktop capture is much less intrusive than a Zoom bot on every call
- ✅ MCP server + API make it one of the easier notetakers to plug into Claude/ChatGPT/custom agents
- ✅ Deal views and CRM sync (HubSpot, Salesforce) cover most GTM workflows without Gong-tier pricing
- ✅ Highlight clips and shareable moments make handoffs between sales, CS, and product genuinely fast
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