Slang.ai alternatives

2 · AI receptionists and answering

Zanus AI

$99 / mo · Per company

Zanus AI sells an 'AI Front Office': modules that answer your phone, website chat, e-mail and web forms, book appointments, send quotes, follow up and support customers. You buy single functions à la carte or one of four bundled levels, priced per company rather than per seat.

• Priced per company rather than per seat, with operators included in each level ($49/month for each additional one). Source
• Broad module catalogue under one login: phone, chat, e-mail, forms, booking, CRM, quoting, tickets, outbound auto-call and team knowledge tools. Source

Lists, where Slang.ai does not: outbound AI calling campaigns, CRM and sales pipeline, quotes and proposals, invoices and payments, email campaigns and sequences and website chat with AI replies.

Not listed, where Slang.ai has it: two-way SMS and compliance and certifications.

3 · AI receptionists and answering

Goodcall

$79 / mo · Per account, billed by unique customers per month

Goodcall is an AI answering service and virtual receptionist that answers calls 24/7. Its agent 'Gabi' builds and manages the phone agent from a plain-language description of the business.

• Billing is per unique customer, not per minute, so long calls and repeat calls from the same number in a month don't add cost. Source
• Low-friction start: a free demo agent you build by describing your business, and billing only once you connect a number. Source

Lists, where Slang.ai does not: CRM and sales pipeline, API and webhooks and MCP for AI assistants.

Not listed, where Slang.ai has it: projects and tasks.

4 · AI receptionists and answering

Rosie

$49 / mo · Per account, monthly plans with included minutes

Rosie is an AI call answering service for small businesses. It is trained on your website and Google Business Profile, and it answers calls 24/7, books appointments, takes messages and texts you call details.

• Low entry price ($49/month for 250 minutes) with a 7-day free trial. Source
• Quick setup: Rosie trains itself from your website and Google Business Profile, and you keep your number via call forwarding. Source

Lists, where Slang.ai does not: CRM and sales pipeline, website chat with AI replies, field service and work orders and mobile app.

Not listed, where Slang.ai has it: caller memory across calls, projects and tasks, team seats, roles and access and compliance and certifications.

5 · AI receptionists and answering

Smith.ai

$150 / mo · Per call: monthly plans include a set number of calls, with a per-call…

Smith.ai sells an AI Receptionist that answers calls 24/7 and live-staffed human receptionist plans, both billed by number of calls, plus a live web chat service.

• Offers real human receptionists (live-staffed 24/7, North America-based) as well as an AI receptionist, so callers can reach a person. Source
• Transparent published per-call pricing, including a $0 AI plan with 25 real calls a month and no long-term contract. Source

Lists, where Slang.ai does not: live human receptionists, CRM and sales pipeline, invoices and payments, website chat with AI replies and API and webhooks.

Not listed, where Slang.ai has it: caller memory across calls, projects and tasks, team seats, roles and access and compliance and certifications.

6 · AI receptionists and answering

My AI Front Desk

$99 / mo · Per account: one self-serve plan with included usage, plus credits for…

My AI Front Desk (branded 'Frontdesk', from AI Front Desk, Inc.) is an AI-powered front office platform for small and medium businesses. Its AI receptionist answers calls, texts, e-mails and chats, and keeps one memory per customer across channels.

• One plan covers voice, SMS, e-mail, chatbot, web forms, CRM and automations, with published usage allowances and overage rates. Source
• Transparent credit pricing: 1 credit = $0.01, voice overage $0.25/min, purchased credits don't expire. Source

Lists, where Slang.ai does not: outbound AI calling campaigns, voice cloning, CRM and sales pipeline, email campaigns and sequences, website chat with AI replies and website and landing pages.

7 · AI receptionists and answering

Dialzara

$29 / mo · Per account, with monthly plans that include minutes plus per-minute overage

Dialzara is an AI phone answering service for small businesses. Its AI receptionist answers calls 24/7, books appointments and captures leads, and the same platform runs outbound voice agents, a two-way SMS agent and a website chatbot.

• Low entry price ($29/month) and a clear ladder of minute bundles with published overage rates. Source
• The website chatbot is bundled free with any voice plan (100 sessions/month), and SMS and outbound share the same knowledge base and dashboard. Source

Lists, where Slang.ai does not: outbound AI calling campaigns, CRM and sales pipeline, website chat with AI replies, API and webhooks and white label for agencies.

Not listed, where Slang.ai has it: compliance and certifications.

8 · AI voice agent platforms

Retell AI

$0.07 / min · Pay as you go per minute (component-based, $0.07-$0.31/min for voice),…

Retell is a platform to build, test, deploy and monitor AI voice and chat agents with telephony, prompts, tools and analytics. It is billed pay-as-you-go per minute, with the rate built from voice infrastructure, TTS, LLM and telephony components.

• Granular, published per-component pricing (voice infra, TTS, LLM, telephony, add-ons) with no platform fee and billing to the second. Source
• Wide model choice: many LLMs (GPT, Claude and others) and TTS providers including ElevenLabs, Cartesia, MiniMax, Fish and OpenAI, plus speech-to-speech options. Source

Lists, where Slang.ai does not: outbound AI calling campaigns, power dialer for your reps, voice cloning, CRM and sales pipeline, website chat with AI replies and API and webhooks.

9 · AI voice agent platforms

ElevenLabs Agents

$6 / mo · Monthly subscription tiers that include a call-minute allowance

ElevenAgents is ElevenLabs' platform to configure, deploy and monitor human-sounding voice and chat agents, with no-code setup plus developer SDKs and APIs. It is billed per call minute on monthly subscription tiers, with LLM usage passed through separately.

• Low entry price with published tiers: a free plan and paid plans from $6/mo, each with an included call-minute allowance and a flat $0.08/min for extra minutes. Source
• Broad voice and language coverage, drawing on ElevenLabs' own TTS models; agents page cites 90+ languages and a library of thousands of voices. Source

Lists, where Slang.ai does not: outbound AI calling campaigns, power dialer for your reps, voice cloning, CRM and sales pipeline, invoices and payments and WhatsApp.

10 · CRM and marketing platforms

Macro

$40 / mo per seat · Per seat per month

Macro is an open-source (AGPLv3) unified workspace combining email, chat, documents, tasks, calls, CRM and booking links, with AI agents that work across that workspace context; offered as a hosted service or self-hosted.

• Genuinely unified workspace — email, chat, docs, tasks, calls, CRM and booking links in one tab with one search and linked work. Source
• Agent-native design: agents use team-level memory and workspace context to draft replies, create tasks and update CRM records, with MCP access for external AI clients. Source

Lists, where Slang.ai does not: CRM and sales pipeline, API and webhooks, MCP for AI assistants, mobile app and white label for agencies.

Not listed, where Slang.ai has it: AI voice agent answers inbound calls, two-way SMS and supported integrations.