11x alternatives (2026)

The most hands-off "AI employee" with voice/phone, if you want done-for-you.

Artisan is an autonomous AI BDR platform built around "Ava," an AI sales agent that runs end-to-end outbound on autopilot: finding and enriching leads from a 250M+ verified B2B contact database, writing and sending personalized multi-channel sequences across email and LinkedIn, then handling replies and booking meetings into your CRM. You point it at an ICP and it sources, enriches, sequences, and follows up without a human BDR driving each step.

Enterprise AI customer service platform branded "the AI concierge for every customer." It deploys AI agents across chat, email, and voice, configured with natural-language Agent Operating Procedures (AOPs) instead of code. Used by large brands like Notion, Duolingo, Eventbrite, and Rippling to deflect and fully resolve high support volume.

Enterprise "Agent OS" for customer experience. Sierra lets large brands build, optimize, personalize, and scale branded AI agents that resolve customer issues across chat, voice, SMS, WhatsApp, email and ChatGPT. Built by former Salesforce co-CEO Bret Taylor and former Google exec Clay Bavor.

Developer-first voice AI platform for building, testing, and deploying low-latency phone and voice agents. Vapi orchestrates speech-to-text, an LLM, and text-to-speech behind one API, handling telephony, turn-taking, interruptions, and tool calling so you wire in your own providers.

Retell AI is a developer-friendly AI voice agent platform for automating inbound and outbound phone calls. It bundles speech-to-text, a proprietary low-latency turn-taking model (~600ms), TTS, LLM orchestration, telephony, batch calling and post-call analytics into one usage-based stack you can run via a no-code dashboard or API.

Enterprise AI voice-agent platform that automates inbound and outbound phone calls 24/7 on Bland's own proprietary, vertically integrated stack (LLM, real-time STT, premium TTS/voice cloning, and telephony all in-house). Built for high-volume teams that need sub-second latency, full call observability, and SOC 2 / HIPAA / PCI compliance.

All-in-one cold email outreach and sales engagement platform with an AI Sales Agent (AI SDR), a B2B lead database (SuperSearch), unlimited email-account warmup, deliverability and inbox-placement tooling, a native CRM, and AI campaign generation. It is built for sending cold email at volume across many sending accounts.

Apollo.io is an end-to-end AI sales platform combining a 230M+ contact and 30M+ company B2B database with prospecting, enrichment, multichannel sequencing, a dialer, and conversation intelligence. Its AI layer (Apollo AI assistant and outbound automation) drafts personalized emails, scores and prioritizes leads, and surfaces signals so reps can run outreach from one tool instead of stitching together separate data, sequencing, and dialer products.

Cold email outreach and AI outbound platform built around deliverability infrastructure (unlimited mailboxes, automated warmup, per-campaign IP rotation) plus autonomous SmartAgents that research leads, write personalized emails, and manage replies. It targets high-volume senders and agencies running multiple client workspaces.

Enterprise-ready, no-code AI voice agent platform for automating inbound and outbound phone conversations at scale. Positions as an end-to-end Voice AI platform with in-house telephony, a visual flow designer, and 200+ integrations across CRM, calendar, and helpdesk tools.

AI-native CRM that captures every customer interaction automatically and runs agents to do the sales busywork. Headline: "CRM that remembers everything and does the work for you." Pitched as the agentic alternative to Salesforce, Attio, and HubSpot, logging emails, meetings, and calls and updating records for you instead of asking reps to do it by hand.

Enterprise AI agent platform for customer service, pairing a multi-model AI engine with on-the-ground local deployment teams to run multilingual voice, chat, and email agents that resolve customer requests at human level across 30+ markets. Sales-led and deployment-heavy, it reports an 80% resolve rate handling tens of thousands of requests a day.

"The AI Front Office for Home Services," an always-on AI workforce for service businesses (HVAC, plumbing, electrical, and other trades) that answers every inbound call, text, and chat, qualifies urgency, checks technician availability, and books jobs straight into ServiceTitan or Housecall Pro 24/7. It also runs outbound re-engagement campaigns and scores CSR calls for coaching.

AI Customer Concierge built for complex, regulated companies like fintech and healthtech. Unlike basic deflection chatbots, Lorikeet resolves end-to-end support issues across chat, email, SMS, WhatsApp, and voice by following the same multi-step workflows and judgment your human agents use, taking actions like refunds, billing changes, and account updates.

"Revenue at infinite scale." Actively deploys a persistent Per-Account Agent for every account in your market, autonomous AI that works each account 24/7, tells reps what to do next, and helps them do it. Built on a private, custom reasoning model trained per company on your GTM motion, products, and historical data.

Rox is an AI revenue operating system ("Revenue OS") that deploys a swarm of autonomous AI agents per customer account to run the full revenue cycle, prospecting, enrichment, outreach, meeting prep, conversation intelligence, pipeline/deal management, and account expansion. It sits on top of your existing CRM (Salesforce, HubSpot) and data warehouse rather than replacing them, so reps get agents that do the work while data stays where it lives.

JustCall is an AI-powered business phone and contact-center platform built for sales and support teams. It combines a cloud phone system (calls, SMS, voicemail) with AI voice agents that handle inbound and outbound calls, plus AI transcription, call coaching and scoring. It plugs into 100+ CRMs like Salesforce and HubSpot to log and automate every conversation.

CloudTalk is a cloud business calling and AI call-center platform for sales and support teams. The core product is a per-seat phone system with call routing, recording and analytics, layered with usage-priced AI Voice Agents (receptionist and specialist) and AI conversation-intelligence add-ons. You build a calling stack with seats first, then bolt on AI minutes.

ElevenLabs is the leading AI voice platform, covering text-to-speech, voice cloning, dubbing, speech-to-text and a full Conversational AI / Agents stack for phone and chat. The core product is sold on monthly credit subscriptions, while voice agents are billed separately by the minute. It is the de facto standard for high-quality, low-latency multilingual voice in production apps.

Clay is a go-to-market data platform that pulls contact and company data from 150+ providers in waterfall enrichment, then lets you act on it with Claygent, an AI research agent that scrapes the web for custom data points. It sits between your prospecting list and your CRM/outbound stack, automating research and list-building that teams used to do by hand. Pricing splits into "Data Credits" (the data you buy) and "Actions" (platform orchestration), a model introduced in the March 2026 pricing overhaul.

Outreach is an enterprise AI sales execution platform that combines multi-channel sequences, conversation intelligence, deal and pipeline management, and forecasting in one system. It has repositioned around AI agents (Research, Revenue, Personalization, Deal, Meeting Prep) layered on top of its classic sales engagement engine. It is built for revenue teams that want a single platform across the full sales cycle rather than point tools.

Salesloft is an AI-powered revenue orchestration platform (now part of Clari) built around Cadence, Conversations, Deals, and Forecast, with a Rhythm AI layer that turns buyer signals into recommended seller actions. It is an enterprise sales-team workflow tool rather than an autonomous agent builder. Pricing is per-seat and entirely quote-based across its Essentials, Advanced, and Premier packages.

Gong is a revenue intelligence platform that captures and analyzes sales calls, emails, and meetings, then layers AI agents on top to surface deal risk, coach reps, and forecast pipeline. It is built for revenue teams who want conversation data turned into actionable guidance rather than a DIY agent builder. Sold as a per-seat license plus a mandatory platform fee, with all pricing quote-based.

Qualified is a Salesforce-native pipeline generation platform whose flagship is Piper, an AI SDR built for inbound. Piper engages website visitors in real time over chat, voice, and video, qualifies them, books meetings, and sends AI-generated follow-up emails, all running on top of your Salesforce data. It is sold as a "digital employee" priced against the cost of a human SDR rather than per conversation.

Agentforce is Salesforce's native AI agent layer that builds autonomous agents on top of CRM, Data Cloud, and Flow. Agents are configured in the Agent Builder with no-code topics and actions, grounded in your Salesforce data, and deployed across service, sales, and employee-facing channels. It is consumption-priced rather than per-seat, billed either per conversation or via Flex Credits per action.

Cartesia is a real-time voice AI platform built around its low-latency Sonic text-to-speech and Ink speech-to-text models, plus Line voice agents for building phone and conversational experiences. It is aimed at developers who need fast, natural-sounding speech at scale via API. Billing is credit-based for TTS/STT and per-minute for voice agent calls.

Regal is an enterprise AI voice agent platform built by contact center operators for CX and sales teams running phone, SMS, and chat at scale. It handles both inbound (support, bookings, reminders) and outbound (lead qualification, collections, sales dialing) with multi-channel journey orchestration, real-time analytics, and forward-deployed engineering support. Pricing is fully quote-based and aimed at large operations rather than self-serve buyers.

AiSDR is a pure-play autonomous AI sales development rep that prospects, researches leads, and runs personalized outreach across email and LinkedIn (plus texting) on your behalf. It handles the full top-of-funnel: finding intent-matched leads, writing and sending AI-researched messages, following up, and booking meetings into your calendar. It is a done-for-you outbound platform rather than a builder you assemble yourself.

Reply.io is a multichannel sales engagement platform that combines email, LinkedIn, calls and SMS sequencing with a built-in B2B contact database and an autonomous AI SDR (Jason AI). It is built for outbound SDR teams that want to run prospecting cadences and let an AI agent source, write and book meetings on top of the same sending infrastructure.

Persana AI is a credit-based AI sales-prospecting and data-enrichment platform (a Clay/Apollo competitor) that pulls from 100+ data sources, waterfalls email/phone enrichment, scrapes the web, and uses AI agents to research accounts and draft outreach. NOTE: in spring 2026 the Persana team joined Rox and announced the standalone Persana platform would sunset (billing suspended Apr 1, 2026; platform sunset) with a migration path to Rox; the marketing site and a "joining Rox" banner are still live but the self-serve product is effectively wound down.

Lemlist is a multichannel cold-outreach and sales-engagement platform that combines a 650M+ B2B lead database, email/LinkedIn/SMS/WhatsApp/call sequencing, deliverability tooling (Lemwarm), and AI agents. It now ships an official MCP server and REST API so AI assistants can build campaigns, source leads, and pull analytics. Subscriptions cover the sending engine; lead data and enrichment are billed separately as pay-per-success credits.

Lusha is a B2B prospecting and data-enrichment platform that reveals verified work emails, direct-dial phone numbers, and company firmographics from a database of 100M+ contacts. It works as a browser extension, web app, CRM enrichment layer, and API, and now ships an official MCP server so AI agents can pull verified contact data into natural-language workflows. It is credit-based: you spend credits to "reveal" each data point.

Phonely (YC S24) is a no-code voice AI platform for building humanlike AI phone agents that answer calls, route them, book appointments, run outbound campaigns and handle SMS. It is sold as a usage-based "AI call center": you build an agent in the dashboard, connect it to your CRM/calendar via Zapier-style workflows, and pay for AI talk-time by the minute rather than per seat or per agent.

Goodcall is a no-code AI phone agent and virtual receptionist aimed at small and local service businesses.

Deepgram is a developer-first voice AI platform offering speech-to-text (Nova-3, Flux), text-to-speech (Aura), and a Voice Agent API behind a single usage-based API. It competes on low latency (sub-250ms), high transcription accuracy, and aggressive per-minute pricing, and is built for engineers wiring real-time and batch audio into their own products rather than for non-technical buyers.

Cognigy (now NiCE Cognigy after NiCE's 2025 acquisition) is an enterprise-grade agentic AI platform for customer service, combining a visual low-code AI Agent Studio, a built-in Voice Gateway for AI phone agents, and Knowledge AI (RAG). It is sold contract-only to large contact centers and is deeply integrated with major CCaaS stacks (NiCE CXone, Genesys, Amazon Connect, Avaya, Microsoft, 8x8). Pricing is usage-based under the hood (billable conversations, concurrent voice lines, knowledge queries) but always wrapped in a custom annual enterprise contract.