SigmaMind AI (YC S22)

SigmaMind AI is a Voice AI platform for developers and enterprises to build and deploy production-grade voice AI agents. It offers real-time tool orchestration and low-latency voice infrastructure.

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At a glance

Pricing

Freemium · Usage-based · Enterprise

Free tier

Yes

API

Yes

Skill level

Technical

About

What is SigmaMind AI (YC S22)?

SigmaMind AI is an enterprise voice AI orchestration platform designed for developers and enterprises to build, deploy, and manage real-time conversational voice agents. It enables the creation of production-grade voice AI agents using a single prompt, real-time tool orchestration, and low-latency voice infrastructure. The platform provides a no-code agent builder for visual design, custom tool integrations with databases, CRMs, or any API, and human-like voice design with natural prosody. Key features include ultra-low latency (sub-800ms), scalable voice infrastructure for concurrent calls, and built-in telephony with SIP trunking. SigmaMind AI also offers in-depth call analytics and supports multimodal agents that can switch between voice calls, live chat, and email threads. It is model-agnostic, allowing users to mix and match models like Deepgram for STT, GPT-5 for logic, and ElevenLabs for TTS, and is SOC2 compliant for enterprise security.

Best used for

Ideal for developers and enterprises who need to build production-ready voice AI agents, automate customer support, and streamline operational workflows. Especially valuable for creating real-time conversational agents with context persistence and integrating them with existing CRMs or databases.

Common actions

build voice agents

deploy AI agents

orchestrate voice AI

automate customer service

integrate AI tools

Capabilities

Key features

No-code agent builder
Real-time tool orchestration
Ultra-low latency voice
Custom tool integrations
In-depth call analytics
Model-agnostic
Built-in telephony

Target Audience

developerstartup founderproduct managersmall business owner

Integrations

twiliotelnyxdeepgramelevenlabsopenaicartesiarime-aiinworld-ai+ 1 more

Pricing & Plans

Freemium · Usage-based · Enterprise

Not publicly disclosed. Check sigmamind.ai for current pricing.

FAQs

What types of AI agents can I build with SigmaMind AI?

You can build production-ready Voice AI agents for support, sales, reminders, onboarding, collections, and operational workflows that can reason, take actions, and resolve tasks autonomously.

Does SigmaMind AI support API integrations and tool calling?

Yes, SigmaMind provides API access, webhook triggers, and tool calling. This allows your agents to fetch data, trigger workflows, update systems, and execute real actions in real time by connecting to your database, CRM, or any API.

Can I transfer calls to a human agent with context?

Yes, with Warm Transfer, the receiving agent hears an AI-generated summary before connection. Custom Headers can also send structured data like customer details and intent to the receiving system for instant context on the agent’s screen.

How does SigmaMind AI's pricing work?

SigmaMind AI offers flexible, pay-as-you-go pricing with no hidden fees or concurrency limits. You can use the platform for free and only pay for live or test conversations. Custom billing is available for agencies and high-scale clients.

Can I provision phone numbers directly within the platform?

Yes, you can provision phone numbers directly from the SigmaMind AI platform and assign them to agents instantly without needing external telephony setup. It also supports BYOC (Bring Your Own Carrier) via Twilio/Telnyx.

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