Syllable is a cloud‑based platform that lets domain experts build AI communication agents with a no‑code workflow builder while giving engineering teams full control via declarative configs and APIs. It orchestrates LLM, speech‑to‑text, text‑to‑speech, and vector storage across voice, SMS, email, WhatsApp, and webchat, providing 99.99% uptime, compliance guardrails, and real‑time analytics for production‑grade AI interactions.
Funding
$40M raised to dateRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.
2OFounders
Product
Problem
Organizations need reliable, scalable AI-driven communication agents for voice, SMS, and chat, but building, deploying, and managing such agents requires extensive engineering effort, strict compliance, and high operational uptime, which many teams lack.
Solution
Syllable provides a neutral, cloud‑based platform that lets domain experts assemble AI agents through guided, conversational workflows and lets engineering teams control them via declarative configurations and APIs. The platform handles end‑to‑end orchestration—including LLM, speech‑to‑text, text‑to‑speech, and vector storage—across multiple channels (voice, SMS, email, WhatsApp, webchat). Built‑in guardrails ensure 99.99% uptime, compliance, and operational discipline, while a unified dashboard and analytics tools enable monitoring, optimization, and insight generation for production‑grade AI interactions.
Target Audience
Primary customers are contact‑center operators, healthcare and financial service teams, and enterprise product groups that need AI‑powered inbound/outbound communication, as well as engineering teams building custom AI workflows.
Features
- No‑code meta‑agent builder for domain experts to define conversational flows.
- Declarative configuration and full API access for programmatic agent creation and management.
- Integrated LLM, STT, TTS, and vector DB services with a marketplace of third‑party providers (OpenAI, Anthropic, Google, Deepgram, etc.).
- Multi‑channel support (voice, SMS, email, WhatsApp, webchat) via unified channel connectors.
- Real‑time monitoring, workflow orchestration, and analytics dashboards for performance and compliance.
- High availability infrastructure guaranteeing 99.99% platform uptime and SLA‑grade reliability.
- Pay‑as‑you‑go metered billing with transparent per‑minute and per‑token rates, plus a free trial tier.