| What it does | Real-time voice AI platform for enterprise-scale conversations
| Deploy production-grade AI agents in 2 minutes with built-in PII protection
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| Stage | Not given
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| Founded | 2023
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| Based in | US
| NZ
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| Pricing model | Freemium
| Freemium
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| Pricing | Pay-as-you-go pricing starting from $0.05/minute for voice agents, with $10 free credits to start. Models priced individually: Speech-to-Text approximately $0.009/minute, Text-to-Speech approximately $0.09/minute, Hosting $0.01/minute flat rate. Phone numbers rent for $10/month. Enterprise plan avai
| Basic (Free): 100k tokens, 1k requests, GPT-6 Luna, email and community support. Starter: $19/month (was $49): 1m tokens, 10k requests, all models with newest first, priority 24/7 support, direct roadmap input, monthly 1:1 product call, free compliance assessment. Custom: contact for enterprise need
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| Key features | - Real-time speech-to-text across 38+ languages with 64ms latency
- Text-to-speech at sub-100ms latency across 70+ languages
- Full-duplex speech-to-speech model with real-time conversation
- Small language model (Electron) outperforming larger models
- Unlimited voice agents with single interface
- Voice cloning capability
- Multi-language support for voice agents
- Emotion and speaker detection
- Knowledge base integration ($3/GB/User)
- Post-call analytics and reporting
| - Guardian Layer PII protection with remove, mask, transform or detect options
- Support for over 100 AI models including OpenAI, Anthropic, Google, Mistral and open-source
- Build with Python, JavaScript or visual no-code builder
- Multi-agent routing with specialized agents on different models
- Tools including web search, Gmail, X, URL scraping and document parsing
- Built-in knowledge base with automatic retrieval, embeddings and citations
- Zero infrastructure deployment with hosted endpoint and auto-scaling
- Session memory included in deployments
- Bring your own API key or use Custodian-managed models
- Custom entity types for PII protection
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| What makes it different | - Production-grade models built for reliability and real-time performance at enterprise scale
- Smaller, focused AI models that outperform larger general-purpose models in real-world applications
- Complete voice stack integration from speech understanding to response generation
- Enterprise security with ISO 27001, SOC 2 Type II, GDPR, and HIPAA compliance
- Flexible pay-as-you-go pricing with no long-term contracts
| - Guardian Layer proprietary PII protection keeps context while protecting sensitive data
- Deploy production agents in 2 minutes with no infrastructure setup
- One-line model switching across 100+ models without changing agent logic
- Complete support agent with knowledge base and memory in 6 lines of code
- Built-in multi-agent routing for specialized agent teams
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 67 ● no change since last check | 3 ● no change since last check |
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| Trust Flow (Majestic) | 16 | 9 |
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| Citation Flow (Majestic) | 35 | 23 |
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| Referring domains (Majestic) | 1143 | 52 |
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Smallest AI
Custodian Labs