Does adopting #AI# require a complete contact center overhaul?
In this contributed article from our partner @Vapi_AI, learn why the fastest path to AI isn't rip-and-replace. It's adding resolution on top of the technology you already have.
📖 Read more:
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Voice AI Live: Using Deepgram Models in Vapi
The top of the Humanness Index™ changed twice in one week.
A month ago, the leading score was 95. The gap to human is closing, and the names at the top keep changing.
On a model-agnostic platform, the most human voice is a config change away.
Read the blog:
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In one week join us for a livestream featuring @EdCharbeneau from @DeepgramAI as we dive into how to choose between models and leverage them on Vapi.
We'll cover Nova-3, Flux, and Aura-2 and more. Bring your questions!
RSVP:
Thursday August 6 10:00am PST
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"Build vs. buy" is too vague for voice AI.
With Vapi you choose which layers to own: SIP trunk, STT, TTS, LLM endpoint, tools/webhooks, and defined post-call schemas.
Bring the parts you need without building and maintaining the entire call stack.
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Tonight! Join us and hear from Adham on how he solved outbound campaigns at scale
SF! Join us Tuesday 7/28 for Durable Multimodal AI, the next edition of our Durable AI Meetup series. Featuring :
🎬 Bin Liu & James Russo (@HeyGen) – demoing HyperFrames, their new OSS project that lets AI agents compose and edit video by writing HTML, CSS & JS
🎙️ Adham El Fawal (Vapi) – building durable systems for scaling outbound voice agent campaigns, whether you're making 1 call or 10,000
⚡ Andrew Hinh (@modal) – Street Fighter 3, but with serverless GPU compute built for AI workloads.
Oh and there will be BOBA and Korean Street Food 🧋🍱
RSVP:
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Join me on July 23 for Execs In The Know’s Rapid-Fire AI Use Case Event! I’ll share how organizations are using voice AI across inbound support, lead qualification, and appointment scheduling to create a faster and more measurable path to ROI.
Get more information here:
Thank you for helping us spread the word. We’re looking forward to featuring @vapi_ai and sharing your real-world perspective during the event!
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The best voice models now sound nearly human.
One month of the Humanness Index, 11,000+ blind votes:
→ Grok TTS: 95
→ real human: 100
The Humanness Index uses the same cloned voice, the same script, and a human recording in the set. Listeners are picking the top models almost as often as the real person.
Full results:
vote:
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Congrats to the @cartesia team on Ink-2. Accurate transcription at conversational speed is the foundation on which every voice agent builds, and Ink-2 delivers both. Vapi is built to be modular, so you can run best-in-class models like Ink-2 today as a custom transcriber.
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For voice agents, STT has to nail three things - accuracy, turn detection, and latency. If any one falls short, the experience breaks down: the agent misunderstands, interrupts, or just feels slow.
We built Ink-2 to lead on all three. Here’s how it stacks up against other providers: link in comments.
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Lazy prompt:
>
hey, check out
try calling me at (YOUR NUMBER)
vapi private key: X
vapi phone number id: X
<
Powered by @Vapi_AI
Open source on @ValDotTown here:
For more secure usage, install as a custom MCP/connector or remix the val!
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Excited to see what everyone builds today!
Two days into blind voting of voice models on our Humanness Index™, and xAI's Grok TTS model is at the top of the pack.
Its humanness score? 96, just 4 points under a real human voice (100).
The Humanness Index takes one voice and one quote, clones it across every major model, then plays the results blind for real listeners to score.
Hear it, cast your votes, and contribute to the leaderboard 👇
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@xai Grok TTS is currently #1# on the @Vapi_AI Humanness Index and significantly more affordable than the competition.
See for yourself
We've raised a $50M Series B to keep making everyday calls extraordinary.
After 1,000,000,000 calls and 10x enterprise ARR growth, Vapi's platform approach to voice agents is becoming the standard for businesses building human interfaces.
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