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Benchmark · 3 platforms, unranked

Retell AI alternatives: other voice AI platforms

Retell AI is a builder platform. These are the other voice AI platforms the benchmark profiles, each listed with the facts its vendor publishes.

The list is alphabetical and unranked. If you would rather buy a finished receptionist than build one, the benchmark also profiles turnkey AI receptionist products.

Retell AI and its alternatives, side by side

Pricing as published by each vendor, checked September 2026. Prices change.

Retell AI compared with its alternatives, alphabetical, unranked
ProductScorePublished pricingIntegrations
Retell AINot yet scoredPay as you go $0.07-$0.31/min, Enterprise customAPI, Twilio
Bland AINot yet scoredStart $0.14/min, Build $299/mo plus $0.12/min, Enterprise customAPI
SynthflowNot yet scoredEnterprise from $30,000/yrCRM, Calendar, Webhooks, API
VapiNot yet scored$0.05/min hosting plus model costs, Core $29/mo, Pro from $999/moTwilio, Telnyx, OpenAI, Deepgram, ElevenLabs

Other voice AI platforms in the benchmark

Alphabetical and unranked. Each profile lists what the vendor publishes, plus what our test calls will check when the product is scored.

  • Bland AI

    Voice AI platform

    Voice agent platform built around conversational pathways, for enterprises and developers.

    Published pricing
    Start $0.14/min, Build $299/mo plus $0.12/min, Enterprise custom
    Key features
    Conversational pathways, Knowledge bases, SMS and chat, Scheduling, Transfers
    Industries targeted
    Enterprises and developers
    Not yet scoredTesting in progressBland AI profile

  • Synthflow

    Voice AI platform

    No-code voice agent builder for enterprises and contact centers.

    Published pricing
    Enterprise from $30,000/yr
    Key features
    No-code voice agent builder, Telephony, CRM and calendar connections
    Industries targeted
    Enterprises and contact centers
    Not yet scoredTesting in progressSynthflow profile

  • Vapi

    Voice AI platform

    Developer platform for voice agents with a free choice of speech and language models.

    Published pricing
    $0.05/min hosting plus model costs, Core $29/mo, Pro from $999/mo
    Key features
    Voice agent builder, Model choice, Unlimited agents, Phone numbers, API
    Industries targeted
    Developers and agencies
    Not yet scoredTesting in progressVapi profile

Rather buy than build?

Voice AI platforms are builder tools. The benchmark also profiles 16 finished AI receptionist products a business can set up itself.

More alternatives comparisons

The same side by side view for other products in the benchmark.

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