Smiling receptionist wearing a headset

Your next great hire is AI.

Meet Fluid AI — your fully autonomous call attendant for sales, support, reception, and more. Keep conversations moving, and connect callers with a live person whenever needed.

● Sub-600ms response● Inbound + outbound● Live human transfer

One platform. Every conversation.

Human-sounding voice agents that answer, understand, and act — across every line and location.

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Sub-600ms latency

Responses land fast enough to feel like a natural, real-time conversation.

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Interruption handling

Callers can cut in, change course, or ask follow-ups — Fluid AI adapts mid-sentence.

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Sales, support & reception

Engage prospects, resolve questions, and welcome and route every caller.

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Live human transfer

Warm-transfer to the right person with full context when a human touch is needed.

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Booking & lead qualification

Schedule appointments and qualify leads against your criteria, right on the call.

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CRM integrations

Log calls, notes, and outcomes to the CRM and calendar tools you already use.

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Inbound + outbound

Answer every incoming call and run outbound follow-ups, reminders, and campaigns.

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Developer API

Bring your own LLM and custom voices, with a full API and webhooks for builders.

1Answer
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2Understand
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3Act or transfer

Hear Fluid AI in action

A sample call on Red Effect's live Fluid AI line (East Lansing). Lightly edited excerpt.

Sample call

Red Effect

Infrared fitness studio · East Lansing, MI

East Lansing line · 2:44

0:00 / 2:44
✓ 24/7 answer✓ Handled interruption✓ Guided to walkthrough
Fluid AIHi, thanks for calling Red Effect. How can I help you?
CallerCan you tell me about what you guys offer?
Fluid AIAbsolutely. Red Effect in East Lansing offers infrared-enhanced fitness and recovery with 24/7 member access: workouts, Pilates, sculpt, strength training, infrared saunas, cold plunge, and red light therapy. What interests you most?
CallerJust overall wellness. Let's hear about the workout options.
Fluid AIOur workouts are infrared enhanced and designed to be efficient and approachable, with strength, Pilates, sculpt, and cardio formats. Do you prefer group classes or solo workouts?
CallerI'm open to everything. How much is a membership? And can I access the club late at night?
Fluid AIYes, members have 24/7 access, so you can come anytime, even late at night. I can text you full membership details. Would you like to set up a walkthrough to see the studio?
Handled interruption
CallerYeah, that's a good idea.
Fluid AIPerfect. Can you share your name, the best number to text, and when you'd like to come by for your walkthrough?
Guided to walkthrough

How Fluid AI compares

A qualitative look at approach and fit. Fluid AI pairs a ready-to-run attendant for businesses with a full developer platform.

Fluid AIRetell AISmith.aiVapi
Primary approachTurnkey AI attendant + developer platformDeveloper-focused voice agent platformReceptionist service (AI and human agents)Developer-first voice AI API
Best fitBusinesses of any size, single or multi-locationTeams building their own voice agentsSmall businesses wanting managed answeringEngineering teams composing custom stacks
No-code setup✓ Guided onboardingBuilder tools; technical setup typicalManaged by providerPrimarily code / API
Live human transfer✓ Built in, with contextSupported via configurationCore to serviceSupported via configuration
Custom LLM & voices✓ Bring your ownSupportedNot the focusSupported
Multi-location dashboard✓ NativeBuild your ownVaries by planBuild your own

Comparison is a general, qualitative summary for mockup purposes; verify competitor capabilities against their current published materials before launch. Trademarks belong to their owners.

Plans that scale with every call

Simple monthly plans with included minutes, transparent overage and 2 months free on annual billing.

See pricing →

Put every call in capable hands.

Discover what Fluid AI can handle for your business.

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