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12 Best Guava (formerly Gridspace) Alternatives (2026)

Guava (formerly Gridspace) is runs ai phone agents for hospitals, insurers, and banks - handling call queues, outbound dialing, intake, claims, and collections - with a supervisor ai double-checking hard calls so answers in regulated settings are right.. Teams that switch usually cite price at production volume, compliance requirements, deeper pipeline control, outbound campaign tooling, an out-of-the-box receptionist, ecommerce order handling. The alternatives below are ranked by published head-to-head verdicts, not sponsorship.

On our facts, Guava (formerly Gridspace) is the 15th-lowest latency of 17 - the kind of gap teams cite when they go looking.

Not ready to switch? Full Guava (formerly Gridspace) review →

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Reviewed by vsref Editorialfacts verified Aug 24, 2026Methodology →

Where to switch, by reason

Switching because of price at production volume →see Replicant
Switching because of compliance requirements →see Pipecat
Switching because of deeper pipeline control →see LiveKit Agents
Switching because of outbound campaign tooling →see Cognigy (NiCE)
Switching because of an out-of-the-box receptionist →see Telnyx Voice AI Agents
Switching because of ecommerce order handling →see Dentina
#1Abby Connect
Legacy virtual-receptionist provider (est. 2005) adding a lower-cost AI tier with built-in human backup; minute-bundle pricing on both lines.
From $99/moTry Abby Connect →
#2Air AI
AI sales calls
See pricingTry Air AI →
#3Alex (fka Apriora)
'Interview everyone. Hire the best.' - autonomous AI interviewer (voice + video) for high-volume hiring, operated by Apriora Inc. dba Alex.
See pricingTry Alex (fka Apriora) →
#4Arini
The AI front desk for dental groups and DSOs - zero missed calls, 24/7.vs Guava (formerly Gridspace): ~70% faster.
See pricingVisit Arini →
#5ASAPP
Generative AI CX platform whose GenerativeAgent overlays existing CCaaS stacks to automate voice and messaging interactions.
See pricingVisit ASAPP →
#6Assort Health
Specialty-specific AI agents for the full patient journey (access, intake, referrals, outreach).
See pricingVisit Assort Health →
#7Avoca
AI workforce platform for the home-services trades (voice, chat, outbound, and call coaching).
See pricingVisit Avoca →
#8Bland AI logoBland AI
Outbound-heavy, enterprise-leaningvs Guava (formerly Gridspace): adds native sip trunking.
From $0.14/minVisit Bland AI →
#9Bolna
Open-source voice-agent orchestration with a hosted platform priced for Indian-language call volume.vs Guava (formerly Gridspace): ~70% faster, adds bring-your-own llm.
From $0.06/minVisit Bolna →
#10Brooke.ai
OEM-channel digital voice assistant for fixed ops - a sub-brand of Proactive Dealer Solutions (Better Car People), sold through programs like Stellantis MarketCenter rather than as a standalone startup.
See pricingVisit Brooke.ai →
#11Caseflood
'The first human-assisted legal AI intake team designed to autonomously sign retainers for law firms' - long-form voice intake plus human-in-the-loop closing, YC-backed.
See pricingVisit Caseflood →
#12Cognigy (NiCE)
Agentic AI platform for CX (Cognigy.AI + Voice Gateway); Forrester Wave 2026 Leader, sold standalone and inside NiCE CXone Mpower.
See pricingVisit Cognigy (NiCE) →
All 75 voice ai alternatives
#13ConverzAI
'World's Leading Automation for Staffing Firms' - agentic virtual recruiters covering the pipeline from sourcing to placement, staffing-agency (not corporate HR) focus.
See pricingVisit ConverzAI →
#14Cresta
Generative AI platform unifying autonomous AI Agent, Agent Assist, and Conversation Intelligence for enterprise contact centers.
See pricingVisit Cresta →
#15Dasha logoDasha
Dev platform, conversational AI
From $0.08/minVisit Dasha →
#16Decagon
AI concierge platform - voice/chat/email agents driven by natural-language Agent Operating Procedures (AOPs).
See pricingVisit Decagon →
#17Deepgram Voice Agent API
Unified STT + LLM orchestration + TTS voice-agent pipeline at a flat all-in rate ($4.50/hr), with BYO-LLM/TTS discounts and enterprise deployment options.vs Guava (formerly Gridspace): adds bring-your-own llm.
From $0.07/minVisit Deepgram Voice Agent API →
#18Dentina
The AI dental receptionist built by a dentist - 24/7 inbound/outbound calls with real-time PMS write-back.
From $299/moVisit Dentina →
#19Dialzara
Lowest-entry-price SMB AI receptionist with minute-bundle pricing and SMS/chatbot/outbound add-ons
From $0.48/minVisit Dialzara →
#20DograhOSS
Self-hostable open-source voice agent platform ('OSS alternative to Vapi & Retell') with a no-code workflow builder and air-gapped on-prem deployment for regulated industries.vs Guava (formerly Gridspace): adds bring-your-own llm.
See pricingVisit Dograh →
#21Domu
YC S24 collections-automation platform for financial institutions across the Americas - 'compliance is not a checkbox, it is the architecture'.
See pricingVisit Domu →
#22echowin
No-code AI phone/chat agent builder with pay-as-you-go pricing, 70+ languages, and agency white-label options
From $0.20/minVisit echowin →
#23ElevenLabs Agents logoElevenLabs Agents
Voice-quality leader, agents platformvs Guava (formerly Gridspace): ~95% faster.
From $0.05/minVisit ElevenLabs Agents →
#24EliseAI
Voice-capable agentic suite, not a voice-only agent: full housing-operations platform (leasing, resident services, CRM, payments) plus a HealthAI arm - voice is one channel of a much broader product.
See pricingVisit EliseAI →
#25Google Gemini Live API
Native-audio speech-to-speech model API (Gemini Live) with barge-in, affective dialog, and tool use over a stateful WebSocket.
From $0.02/minVisit Google Gemini Live API →
#26Goodcall
Agentic voice AI for SMB service businesses; unusual per-unique-customer metering with unlimited minutes ('born at Google').
From $79/moVisit Goodcall →
#27HappyRobot
Enterprise 'AI operating system for the real economy': AI-worker platform that grew out of logistics voice agents, now spanning 8 verticals (logistics, utilities, airlines, finance, insurance, manufacturing, retail, telecom).
See pricingVisit HappyRobot →
#28Hello Patient
Conversational AI for healthcare's 'front door' - voice, SMS, and chat patient communication.
See pricingVisit Hello Patient →
#29Hume EVI
Emotionally intelligent speech-to-speech API (Empathic Voice Interface, EVI 3 / EVI 4 mini) with voice cloning and supplemental-LLM support.vs Guava (formerly Gridspace): ~70% faster, adds bring-your-own llm.
From $0.07/minVisit Hume EVI →
#30Kore.ai
Enterprise agentic AI platform (Artemis) with voice AI agents for contact-center self-service at Global 2000 scale.
See pricingVisit Kore.ai →
#31Level AI
LLM-native contact-center intelligence platform (QA/Agent Assist center of gravity) with an AI Virtual Agent for voice and chat automation.vs Guava (formerly Gridspace): roughly double the latency.
See pricingVisit Level AI →
#32Liberate
'The Most Trusted AI in Insurance' - voice-first, insurance-native agents (pre-trained on insurance processes) spanning sales, service, and claims across voice, SMS, email, and digital channels.
See pricingVisit Liberate →
#33Lindy logoLindy
AI employees incl. phone agentsvs Guava (formerly Gridspace): adds bring-your-own llm.
From $49.99/moVisit Lindy →
#34LiveKit Agents logoLiveKit AgentsOSS
Realtime infra + agents (OSS + cloud)vs Guava (formerly Gridspace): adds native sip trunking.
From $0.01/minVisit LiveKit Agents →
#35Loman AI
Restaurant voice AI with deep POS order-writing (Toast/Square/Clover/Olo etc.) - orders and payments, not just reservations and FAQs.
See pricingVisit Loman AI →
#36Millis AI logoMillis AI
Low-latency voice agentsvs Guava (formerly Gridspace): about half the latency, adds native sip trunking.
From $0.02/minVisit Millis AI →
#37Frontdesk (My AI Front Desk)
Multi-channel AI front desk (voice/SMS/chat/email/WhatsApp) with bundled CRM and a white-label reseller program, mid-rebrand from My AI Front Desk to Frontdesk
From $0.25/minVisit Frontdesk (My AI Front Desk) →
#38Netic
Autonomous AI revenue engine for essential home services.
See pricingVisit Netic →
#39Numa
AI operating system for the AI-native dealership - voice AI plus agentic follow-up (Heat Case, Opportunity, Service Advisor agents) for franchise dealers and multi-rooftop groups.
See pricingVisit Numa →
#40Observe.AI
Contact-center AI platform expanding from conversation intelligence into autonomous VoiceAI agents (inbound and outbound) with copilots for frontline teams.
See pricingVisit Observe.AI →
#41Omilia
Conversational AI platform for contact-center voice/IVR automation, with native 'Lexis' voice synthesis and agentic voice/chat agents.vs Guava (formerly Gridspace): ~95% faster.
See pricingVisit Omilia →
#42OpenAI Realtime API
Frontier speech-to-speech model API (gpt-realtime family) for low-latency voice agents over WebRTC, WebSocket, and SIP.vs Guava (formerly Gridspace): adds native sip trunking.
See pricingVisit OpenAI Realtime API →
#43Parloa
AI Agent Management Platform (AMP) for enterprise contact centers - design, test, scale, optimize agentic AI.vs Guava (formerly Gridspace): adds bring-your-own llm.
See pricingVisit Parloa →
#44PatterOSS
MIT-licensed, self-host-only voice AI SDK (Python + TypeScript) abstracting 27+ providers across LLM/STT/TTS/carrier layers - a middle ground between hosted platforms (Vapi/Retell) and heavyweight frameworks.vs Guava (formerly Gridspace): about half the latency, adds bring-your-own llm.
See pricingVisit Patter →
#45Phonely logoPhonely
SMB AI receptionistvs Guava (formerly Gridspace): adds native sip trunking.
From $0.05/minVisit Phonely →
#46PipecatOSS
Open-source Python framework for real-time voice and multimodal conversational agents, maintained by Daily, with Pipecat Cloud as the managed production runtime.vs Guava (formerly Gridspace): adds native sip trunking.
From $0.01/minVisit Pipecat →
#47Play.ai (PlayHT)
Voice agents + TTS heritage
See pricingVisit Play.ai (PlayHT) →
#48PolyAI logoPolyAI
Enterprise voice assistantsvs Guava (formerly Gridspace): ~70% faster, adds native sip trunking.
See pricingVisit PolyAI →
#49RapidaOSS
Open-source (GPL-2.0 + branding terms) voice AI orchestration platform in Go/gRPC, aimed at agencies, CPaaS/CCaaS providers, and enterprises wanting white-label, multi-tenant voice operations with provider-level cost passthrough.vs Guava (formerly Gridspace): adds native sip trunking.
From $0.01/minVisit Rapida →
#50Regal logoRegal
Contact-center AI (enterprise)
See pricingVisit Regal →
#51Replicant
Voice-native contact-center automation with deterministic reasoning for business rules and 1B+ minutes of production conversation data.
See pricingVisit Replicant →
#52Retell AI logoRetell AI
API plus no-code, production telephony fastvs Guava (formerly Gridspace): ~35% faster, adds native sip trunking.
From $0.07/minVisit Retell AI →
#53Ringly.io logoRingly.io
Ecommerce phone agentsvs Guava (formerly Gridspace): adds native sip trunking.
From $0.29/minVisit Ringly.io →
#54Rosie
Self-serve SMB AI answering service with bundled-minute pricing and bilingual EN/ES on every plan.
From $49/moVisit Rosie →
#55Salient
Compliance-first AI loan-servicing platform ('Taylor' voice agent plus audit/claims/chargeback agents) for technology-first consumer lenders - voice-as-a-wedge into the full servicing lifecycle.
See pricingVisit Salient →
#56Sameday
Trades-focused AI sales agent - sells and books jobs (claims 92%+ booking rate, voice cloning of your staff) rather than just taking messages.
From $449/moVisit Sameday →
#57Sierra
Outcome-priced conversational AI agent platform from Bret Taylor and Clay Bavor; voice product replaces IVR with an empathetic agent.
See pricingVisit Sierra →
#58Simple Phones
Done-for-you AI phone agent for small businesses on flat per-call-bundle pricing
From $97/moVisit Simple Phones →
#59Sindarin logoSindarin
Persona-driven voice agentsvs Guava (formerly Gridspace): ~80% faster.
From $99/moVisit Sindarin →
#60Slang AI
Hospitality-native voice AI ('Superhost') priced per location - reservation-system depth and guest recognition rather than generic receptionist features.
From $399/moVisit Slang AI →
#61Smith.ai
Human+AI hybrid receptionist platform with per-call bundle pricing; 500+ live agent network, law-firm-heavy customer base.
From $150/moVisit Smith.ai →
#62STELLA Automotive AI
Dealership-focused conversational AI platform with certified DMS integrations (CDK, Reynolds, Tekion) and dealer/industry investors incl. Reynolds & Reynolds board representation.
See pricingVisit STELLA Automotive AI →
#63Synthflow logoSynthflow
No-code, agency white-label kingvs Guava (formerly Gridspace): adds native sip trunking.
From $2,500/moVisit Synthflow →
#64Telnyx Voice AI Agents
Carrier-native voice AI: telephony, GPUs, STT/TTS and orchestration vertically integrated at the network edge.vs Guava (formerly Gridspace): ~80% faster, adds native sip trunking.
From $0.05/minVisit Telnyx Voice AI Agents →
#65TEN FrameworkOSS
Open-source real-time multimodal conversational AI framework (voice + video + avatar) with its own VAD and full-duplex turn-detection models, backed by Agora.vs Guava (formerly Gridspace): adds native sip trunking.
See pricingVisit TEN Framework →
#66Thoughtly logoThoughtly
No-code AI contact centervs Guava (formerly Gridspace): adds native sip trunking.
From $500/moVisit Thoughtly →
#67Toma
"AI Coworkers for the Automotive Enterprise" - dealership call automation with production safeguards, YC/a16z-backed.
See pricingVisit Toma →
#68Twilio ConversationRelay
Carrier-grade voice harness for BYO-LLM agents inside Twilio Programmable Voice.vs Guava (formerly Gridspace): about half the latency, adds native sip trunking.
From $0.07/minVisit Twilio ConversationRelay →
#69Ultravox logoUltravox
Realtime speech model + platformvs Guava (formerly Gridspace): adds native sip trunking.
From $0.05/minVisit Ultravox →
#70Upfirst
Per-call-bundle AI receptionist with 35+ languages and declining overage rates up to 600 calls/mo
From $24.95/moVisit Upfirst →
#71Vapi logoVapi
Dev-first API platform, full pipeline controlvs Guava (formerly Gridspace): about half the latency, adds native sip trunking.
From $0.05/minVisit Vapi →
#72Vision AgentsOSS
Open-source multimodal (video-first) AI agent framework by Stream, combining realtime LLMs with vision models on Stream's low-latency edge network.vs Guava (formerly Gridspace): ~95% faster, adds bring-your-own llm.
See pricingVisit Vision Agents →
#73Vocode logoVocodeOSS
Open-source frameworkvs Guava (formerly Gridspace): adds native sip trunking.
See pricingVisit Vocode →
#74Voiceflow logoVoiceflow
Agent builder (chat + voice)vs Guava (formerly Gridspace): adds bring-your-own llm.
From $0.05/minVisit Voiceflow →
#75Zoom Virtual Agent Receptionist
Big-tech price anchor for the receptionist segment: standalone AI receptionist at $29.99/mo (100 min), launched 2026-07-09; also bundled free with Zoom Phone.
From $29.99/moVisit Zoom Virtual Agent Receptionist →

How the top Guava (formerly Gridspace) alternatives compare

A closer look at the top 3: each Guava (formerly Gridspace) alternative's standing among Voice AI peers, its verdict record against Guava (formerly Gridspace), and the trade-offs of leaving.

1. Abby Connect

Among the 31 voice ai tools we track, Abby Connect has the 28th-widest language coverage.

Abby Connect review →

3. Alex (fka Apriora)

Among the 31 voice ai tools we track, Alex (fka Apriora) has the 16th-widest language coverage.

Alex (fka Apriora) review →

4. Arini

Among the 17 voice ai tools we track, Arini has the 6th-lowest latency - a fit for real-time, conversational apps.

The reverse angle matters too - Guava (formerly Gridspace) vs Arini: ~235% slower.

Arini review →