SigmaMind AI - Zapier for Voice AI Agents | YC S22

Joined September 2016
33 Photos and videos
Pratik Mundra retweeted
Excited to announce Slashy The first email client that works for you. The real cost of email isn't the time. It's the mental load of constantly checking it, just in case something needs you. Slashy kills that. You never need to open your inbox unless Slashy tells you. Try it out at slashy.com
80
34
264
57,585
Pratik Mundra retweeted
#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
2
4
203
We just made voice agents self-improving. Here's how it works 👇 Define your test cases. Run simulated calls. Get structured results back. Feed them into your prompt -- automatically, using Claude, Cursor, or Codex through the SigmaMind API or MCP. Your voice agents just keep getting better.
1
1
3
79
We launched the SigmaMind MCP server on Product Hunt today. 5M calls processed. 2,500 voice agents in production. And now you can build and manage all of it from inside Claude -- no dashboard, no boilerplate. Upvote/comment if you want to support 👇 producthunt.com/products/sig…
1
1
82
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
1
1
153
Whoever from @IndiGo6E marketing team thought playing an annoying loud jingle on loop is a good idea should be fired! Just stopping this jingle would go a long way towards improving customer experience. Why even play it?
3
44
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
1
1
2
93
Launched our MCP server! You can now build voice agents from within your favorite coding tools using @sigmamind_ai MCP. MCP makes it easy for anyone to build and launch their voice agents using AI tools. You can continue to use our APIs if thats your game!
2
1
65
Get your SigmaMind API key and try it out here: api.sigmamind.ai/mcp

24
Launching App Marketplace on @sigmamind_ai We've made it extremely easy for you to connect your favorite apps/tools to voice agents. Try it out now on sigmamind.ai
50
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…
1
2
72
Pratik Mundra retweeted
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 ↓
8
7
27
105,427
25 Nov 2025
🤝 Excited to partner with @rimelabs to bring next-gen, hyper-realistic voices to @sigmamind_ai 30,000 daily calls already run on Rime TTS — with smoother quality, enterprise scalability, better economics & precise pronunciation control. Live now → sigmamind.ai
1
5
72
24 Nov 2025
NEW: Real-Time Call & Chat Analytics See why costs spike, where calls drop, which intents dominate & how agents perform — all in one place. Live metrics for voice chat: costs, terminations, tool calls, messages, escalations. No setup. No spreadsheets. Just clarity.
2
69
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
1
1
2
41
17 Nov 2025
🚀 Launching Voice AI for Bharat Over 500M people speak Hindi — but tech never spoke back. Today, that changes. AI that speaks, listens, and understands Hindi — naturally. Here’s what AI built for people sounds like. 👇
1
1
86
17 Nov 2025
Demo
1
12
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
39
56
1,021
244,776
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
1
1
34