Voice AI Suite
Smallest AI provides a suite of real-time voice AI models including text-to-speech, speech-to-text, and a small language model, along with an agentic platform for building and deploying voice agents. Their models are optimized for efficiency, low latency, and multilingual support, with enterprise-grade compliance.
Key facts
What is Voice AI Suite?
Driving the future of small, efficient multi-modal models for real-time voice AI.
Who is Voice AI Suite best for?
Developers, startups, enterprises; industries including debt collection, healthcare, real estate, small business, e-commerce
What are its main limitations?
- Pay-as-you-go pricing can become expensive at high volumes
- Voice cloning not available on basic pay-as-you-go plan
- Concurrency limited to 15 streams for TTS on pay-as-you-go
Limitations are based on product materials or editorial synthesis; confirm on the official site.
Key features
- ✓Real-time text-to-speech (Lightning) with 100ms latency across 15+ languages
- ✓Speech-to-text (Pulse) with emotion and speaker detection in 38 languages
- ✓Sub-3B small language model (Electron) outperforming GPT-4.1
- ✓Native speech-to-speech model (Hydra) for production use
- ✓Agentic platform for configuring, voicing, and deploying voice agents
- ✓Voice cloning capabilities (professional support available on enterprise plan)
- ✓Compliance: SOC 2, GDPR, HIPAA (with add-on), ISO 27001
- ✓On-premise deployment for enterprise security
Use cases
- →Building voice-based customer support agents
- →Real-time transcription and analysis for healthcare
- →Debt collection automation with compliant voice agents
- →Real estate lead qualification and appointment scheduling
- →E-commerce conversational assistants
- →Creating multilingual voice applications with low latency
Pricing
Pay as you go (Models API)
Usage-based
- · Speech to Text Pulse (Pre-Recorded): ~$0.003/min
- · Pulse (Realtime): ~$0.004/min
- · Pulse Pro (Pre-Recorded): ~$0.0035/min
- · Text to Speech Lightning V3.1: ~$0.175/10K characters
- · Lightning V3.1 Pro: ~$0.195/10K characters
- · 15 concurrent streams for TTS
- · 100 RPM for TTS APIs
- · Email and community support
AI Agents (Pay as you go)
Usage-based
- · Includes model APIs above
- · Agent configuration and deployment
- · HIPAA Zero Data Retention add-on: $1000/mo
Enterprise
Custom
- · All pay-as-you-go features plus:
- · Custom pricing on all models
- · Higher concurrency and RPM
- · Voice cloning (professional)
- · On-premise deployment
- · 99.99% uptime SLA
- · Custom agent setup
- · Priority support
- · Prompt engineering support
- · SSO, RBAC, SOC2 compliance
Pay-as-you-go plans start at $0.003/min for speech-to-text and $0.175/10K characters for TTS; HIPAA add-on is $1000/mo. Enterprise plan with custom pricing for production workloads.
Pros
- +Ultra-low latency (100ms TTS) enables natural real-time conversations
- +Small models are efficient and deployable on edge devices
- +Comprehensive compliance certifications (SOC 2, HIPAA, GDPR)
- +On-premise option for strict data security requirements
Cons
- −Pay-as-you-go pricing can become expensive at high volumes
- −Voice cloning not available on basic pay-as-you-go plan
- −Concurrency limited to 15 streams for TTS on pay-as-you-go
Positioning
- Core value: Driving the future of small, efficient multi-modal models for real-time voice AI.
- Ideal for: Developers, startups, enterprises; industries including debt collection, healthcare, real estate, small business, e-commerce
- Product type: API, Web app (Agents Playground), On-premise deployment
Frequently asked questions
What is Lightning TTS?
Lightning is Smallest AI's real-time text-to-speech model with 100ms latency, supporting 15+ languages.
How accurate is Pulse speech-to-text?
Pulse provides the most accurate transcription in 38 languages, with emotion and speaker detection.
What is the Electron language model?
Electron is a sub-3B parameter small language model that claims to outperform GPT-4.1 on certain tasks.
Is HIPAA compliance available?
Yes, HIPAA compliance with zero data retention is available as an add-on for $1000 per month.
Can I deploy on-premise?
Yes, on-premise deployment is available for enterprise customers.
What industries does Smallest AI serve?
Industries include debt collection, healthcare, real estate, small business, and e-commerce.
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