Cold numbers tell part of the story. Sub-400ms first response. 50+ supported languages. 94% accuracy when callers switch between languages mid-sentence. But what does that mean in a live support operation? Here's what teams are actually seeing in their first 30 days.

<380ms average first-response latency
50+ supported languages, auto-detected at runtime
94% language detection accuracy across code-switching calls
⚠ OWNER TASK: Record a 60-second Loom of /demo showing the code-switching scenario (ENβ†’ES mid-call), then replace src="YOUR_LOOM_URL_HERE" above with your Loom share URL.

Why Latency Is the Product

In voice conversations, latency isn't a performance metric β€” it's the user experience. A 2-second pause after a question reads as confusion or disconnection. A sub-400ms response reads as a real conversation. The difference between "this feels like an AI" and "this works" is measured in hundreds of milliseconds.

Parlo's architecture is optimized for first-token speed, not just throughput. The result is a median first-response time under 380ms in production β€” faster than most humans can formulate a reply.

Language Coverage in Practice

Supporting 50+ languages isn't the hard part. The hard part is what happens when callers don't stay in one language. Real multilingual speakers code-switch β€” they mix languages mid-sentence, especially under stress or when technical vocabulary is cleaner in one language than another.

Language distribution β€” production calls
English
52%
Spanish
24%
Hindi
10%
French
8%
Portuguese
6%

Code-Switching: What It Looks Like Live

The scenario below shows a caller alternating between English and Spanish mid-call β€” a pattern that breaks most voice AI systems. Parlo detects the switch in real time and maintains context across the language boundary.

Live call transcript β€” code-switching scenario
Caller
Hi, I need help con mi reservacion
Detected: EN → Detected: ES
Caller
The flight was delayed y no me dieron informacion
Detected: EN → Detected: ES
Caller
Can you check el estado de mi equipaje please?
Detected: EN → Detected: ES

Parlo tracks language shifts turn-by-turn and responds in the dominant language of each turn without the caller having to select a language or repeat themselves. The agent stays in context across the full call.

Try it live in your browser

Run the code-switching scenario yourself β€” no signup, no sales call. See the language detection panel update in real time.

Open the live demo β†’
What teams say

Real results from day one.

⚠ PLACEHOLDER β€” owner must validate both cards with real customers before using in outreach. Replace names, roles, and company before removing the noindex tag.
We handle inbound calls from 14 countries. Before Parlo, our English-only IVR misrouted 30% of non-English callers. Since switching, first-call resolution jumped 28 points and CSAT for non-English speakers now matches our English queue.
?
[OWNER: replace with real customer name]
Head of CX Operations, [Company]
Our support team was spending 40% of its time on routine billing questions in four languages. Parlo now handles all of it. We've reallocated those hours to complex issues that actually need human judgment. Handle time dropped by half.
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[OWNER: replace with real customer name]
VP of Support, [Company]