Cofounder @sigmamind_ai Building the voice AI layer that powers customer communications

San Francisco/Bangalore
Joined September 2016
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#53: #AIRadarDaily — @sigmamind_ai There is a massive illusion in the AI space right now when it comes to voice. The demos look like magic. But the moment you try to deploy a voice agent in a real-world enterprise setting, reality hits. You end up duct-taping together different transcription APIs, LLMs, and text-to-speech models. The result? Unbearable latency, awkward robotic pauses, and systems that fail completely the second a customer with a thick accent tries to interrupt. Building truly conversational voice AI isn't just a model problem; it is a deeply complex, unglamorous systems problem. SigmaMind AI is quietly building the definitive orchestration layer to solve exactly this. Founded by Ashish Agarwal and Pratik Mundra, SigmaMind is an enterprise-grade platform that lets companies deploy production-ready voice and chat agents that don't just listen, but actually reason, trigger APIs, and complete tasks in real time. The true moat here is sheer, unadulterated speed and infrastructural rigor. The team have engineered a system that maintains sub-one-second voice-to-voice latency, even when absorbing the brutal drag of traditional telephony overhead. By processing streaming transcripts and acting before a sentence is even finished, their agents can handle interruptions flawlessly and trigger workflows mid-utterance. They handle the incredibly messy audio plumbing so businesses can focus purely on logic and behavior. The market? Customer support teams, call centers, and global e-commerce brands who are already routing over a million calls a month through the platform. They realize that in the world of voice AI, a one-second delay is the difference between a resolved ticket and a lost customer. What stands out here is the audacity of the build. It takes immense technical courage to look at a highly fragmented ecosystem and decide to build the robust, connective tissue from the ground up. This is an Indian team building the complex cognitive infrastructure for global conversational AI. This is the kind of rigorous, head-down execution that gives momentum to the Product Nation dream. Let's celebrate the builders. w/ Jay Ingle & Dikshant Joshi #VoiceAI #ProductNation
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Pratik Mundra retweeted
You know you want to build a #VoiceAI Agent? Just get on #Cursor or #ClaudeCode and describe it! One instruction. And then it's done. Watch how! #Model picked, #Voice configured, #prompt written, phone number assigned. The agent is ready to take calls! #MCP #Codex #VSCode
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Pratik Mundra retweeted
MCP in action: this demo shows how you can run a complete #VoiceAI workflow directly from your #coding environment. Buy a number → assign an agent → make a call → fetch logs All via simple prompts to an AI assistant. Powered by SigmaMind #MCP. docs.sigmamind.ai/mcp/server
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Pratik Mundra retweeted
We helped a call center client processing 750K+ calls a month add AI voice agents to their existing #VICIdial setup - without replacing a single component. sigmamind.ai/blog/vicidial-i…
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How do you scale best-in-class TTS to 750k monthly calls? SigmaMind AI is a leading enterprise-grade Voice AI platform currently handling tens of thousands of calls with ultra-low latency and best-in-class scalable voice infra. Known for its sub-800ms latency, SigmaMind enables natural, real-time conversations at scale. Its no-code agent builder allows business users to quickly create voice agents, while full APIs give developers deep customization and integration capabilities. After selecting Rime, they saw: + Best-in-class conversion vs. other top TTS models + Enterprise-grade scalability and uptime + Stronger pronunciation control + Dedicated support through a shared Slack channel + Pricing that makes sense at massive scale We’re proud to partner with SigmaMind as they continue to scale, explore personalization, and expand into multilingual use cases. Full case study below ↓
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Pratik Mundra retweeted
Product update: We just launched Voice & Chat Analytics - built for #developers and ops teams running conversational AI at scale. Because #conversationalAI success isn't just about smooth conversations. It's about operational clarity. Read more: sigmamind.ai/blog/in-depth-v… #VoiceAI
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Pratik Mundra retweeted
Groww goes public today, becoming YC’s first company to list in India. From W18 to IPO, they’ve built India’s leading investing platform— enabling tens of millions across the country to invest simply and confidently. Congrats to @lkeshre, @ishanishu, @_harshjain26, Neeraj, and @_groww! ycombinator.com/blog/groww
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Pratik Mundra retweeted
"Why can't I just use #ElevenLabs to build my #AIagent?" We get this question a lot. But Voice generation ≠ Agent orchestration! Read the full comparison to understand which approach fits your use case: sigmamind.ai/blog/sigmamind-… #ConversationalAI #AIAgents #DeveloperTools
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Pratik Mundra retweeted
We just published a side-by-side comparison of SigmaMind AI and Bland AI focused on what developers care about most - sigmamind.ai/blog/sigmamind-… If you want to pick the right platform for quick iteration and reliable scaling, this deep dive is for you!
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Pratik Mundra retweeted
Announcing 400+ voices, 15+ models, and better #VoiceAI freedom on SigmaMind! Mix & match voice providers like #ElevenLabs, #Rime, #HumeAI, #OpenAI, #Cartesia, and top-tier #LLMs, including #GPT5, #Gemini 2.5 Pro, and #Claude 4.5 Sonnet. #ConversationalAI #AIAgents
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Pratik Mundra retweeted
We dug deep into 2 of the leading #ConversationalAI platforms, SigmaMind AI and Retell AI to help you choose better: sigmamind.ai/blog/sigmamind-… #VoiceAI #DeveloperTools #AIAgents #CustomerEngagement #SigmaMindAI
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Pratik Mundra retweeted
Watch a live demo of a hotel booking #AIagent handling queries smoothly and learn how you can start with $10 free credits to build your own Voice AI agents with SigmaMind AI. #VoiceAI #AIPlatform #HotelBooking #CustomerService #NoCodeAI #BusinessAutomation #SigmaMindAI
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Pratik Mundra retweeted
With our new Campaigns API, you can now create and manage outbound call campaigns directly from your own systems, no dashboard required. Check out our docs for more details: docs.sigmamind.ai/api-refere… #VoiceAI #APIs #OutboundCalling #SigmaMindAI
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Pratik Mundra retweeted
While OpenAI's #AgentKit is powerful for prototyping within the #OpenAI ecosystem, enterprises require platforms built for production-grade conversational and #voiceAI with multi-model flexibility.
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Pratik Mundra retweeted
We officially launched SigmaMind AI on Product Hunt yesterday and thanks to your incredible support, feedback, and encouragement, we finished at #7 Product of the Day!
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Pratik Mundra retweeted
APIs are live for Voice Agents! With our new APIs, Voice AI Agents can plug directly into any system you use. Developers are already experimenting with creative builds: #thread #VoiceAI #AIAgents #API
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Been diving into @sigmamind_ai lately. What they’re building is wild — a no-code platform where you can spin up AI agents that don’t just talk, but actually do the work. ✅ Build + test in their Playground ✅ Deploy across chat, voice, email ✅ Hook into apps (Shopify, Zendesk, CRMs) so your agent updates tickets, cancels orders, books calls — whatever you need. This isn’t another ai voice platform. It’s automation + conversation fused. For anyone scaling support, sales, or ops… SigmaMind is worth a look: sigmamind.ai
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Pratik Mundra retweeted
Mortgage brokers can capture up to 50% more revenue with #VoiceAI agents that answer instantly, qualify leads, and update CRMs. Watch this quick demo of how a mortgage Voice #AIagent works—and how you can deploy one today. Try it at sigmamind.ai #MortgageTech
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