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Alternatives · AI Agents

Smith.ai alternatives

As of Nov 13, 2026, the highest-graded Smith.ai alternative is Retell AI (2.4 GPA).

Smith.ai compared with 6 alternatives: Dialzara, Goodcall, Synthflow, Retell AI, Thoughtly and 1 more.

Smith.ai has a free plan. Paid plans start at $150 per month for 75 AI-answered calls. None of the alternatives has a free plan. 3 more offer a free trial.

Listings checked up to Nov 13, 2026 · Where the facts come from

Black Friday: is there a Smith.ai sale?

At a glance

ToolPriceFree planRuns on
Smith.aiThis toolFree plan · from $150/moYesWeb
DialzaraFree trial · from $29/moTrial onlyWeb
GoodcallFree trial · from $79/moTrial onlyWeb
SynthflowPaidNoWeb
Retell AIFree trial · from $0Trial onlyWeb
ThoughtlyPaidNoWeb
Slang AIFrom $399NoWeb

Price against what you get

Smith.ai starts at $150 a month and scores 2.3 out of 4 on features, ease of use and platforms. None of the 2 alternatives on this chart both scores higher and starts lower.

Dialzara and Goodcall start lower without scoring higher.

Features, ease of use and platforms, averaged

D1.0C2.0B3.0A4.0Free$5$10$20$50$100$200$500$1k$2k$5kMore for lessCosts more, scores moreCosts less, scores lessCosts more, scores lessSmith.aiDialzaraGoodcall

What paid plans start at, a month (each step along is roughly double) →

  • The best score at each price
  • Has a free plan
  • No free plan
The full chart of AI agents, and the best at every price

How each one differs from Smith.ai

  1. Dialzara

    AI receptionist that answers small-business phone calls

    • Dialzara starts at $29 per month for up to 60 minutes of talk time.
    • Dialzara has no free plan, only a free trial, unlike Smith.ai.
    • Dialzara also covers chatbots.
    • Dialzara does not cover AI support agent, which Smith.ai does.

    Suits: Small businesses that want an AI to pick up missed calls

    Dialzara vs Smith.aiDialzara pricing and details

  2. Goodcall

    AI phone agent for small businesses, billed per customer

    • Goodcall starts at $79 per month for 100 unique customers.
    • Goodcall has no free plan, only a free trial, unlike Smith.ai.
    • Goodcall does not cover AI support agent, which Smith.ai does.

    Suits: Solo operators and small shops that miss calls while working

    Goodcall vs Smith.aiGoodcall pricing and details

  3. Synthflow

    Enterprise AI voice agents sold on annual contracts

    • Synthflow has no free plan, unlike Smith.ai.
    • Synthflow does not cover AI support agent and appointment booking, which Smith.ai does.

    Suits: Mid-market and enterprise teams automating inbound customer calls

    Synthflow vs Smith.aiSynthflow pricing and details

  4. Retell AI

    Pay-per-minute platform for AI phone and chat agents

    • Retell AI starts at $0 to start, then $0.07 to $0.31 per minute for voice agents.
    • Retell AI has no free plan, only a free trial, unlike Smith.ai.
    • Retell AI also covers chatbots.
    • Retell AI does not cover AI support agent, business phone line and appointment booking, which Smith.ai does.

    Suits: Developers and agencies building phone agents for receptionist, support or lead-qualification work

    Retell AI vs Smith.aiRetell AI pricing and details

  5. Thoughtly

    AI voice, SMS and email agents for inbound lead conversion

    • Thoughtly has no free plan, unlike Smith.ai.
    • Thoughtly also covers workflow automation and voice cloning.
    • Thoughtly does not cover AI support agent, business phone line and appointment booking, which Smith.ai does.

    Suits: Revenue teams that want fast follow-up on inbound leads across call, text and email

    Thoughtly vs Smith.aiThoughtly pricing and details

  6. Slang AI

    Voice AI that answers a restaurant's phone calls

    • Slang AI starts at $399 per location (billing period not shown).
    • Slang AI has no free plan, unlike Smith.ai.
    • Slang AI does not cover AI support agent and business phone line, which Smith.ai does.

    Suits: Restaurants that miss calls during service hours

    Slang AI vs Smith.aiSlang AI pricing and details

Limits worth knowing in Smith.ai

  • The Free plan stops at 25 answered calls a month; extra calls cost $3.00 each.
  • Human-first plans are pay-per-call at $7 or more per call; overage runs $8.50 to $11.50 per call.
  • Human escalation on the Free plan is an opt-in add-on rather than included.
  • The 30-day money-back guarantee on the human-first plans excludes overage calls and is capped at $1,000.
Smith.ai pricing and details

Common questions

What are the alternatives to Smith.ai?

The alternatives to Smith.ai in this directory are Dialzara, Goodcall, Synthflow, Retell AI, Thoughtly and Slang AI. Each one has a side-by-side comparison with Smith.ai.

Is there a free alternative to Smith.ai?

None of the alternatives listed here has a free plan. Dialzara, Goodcall and Retell AI offer a free trial.

When were these prices checked?

Each listing shows its own date. On this page they run from Nov 12, 2026 to Nov 13, 2026. Vendors change prices without notice, so confirm on their site before you buy.