20+ Best Alternatives to Marr Labs in 2026
AI voice agents for regulated industries
Looking for an alternative to Marr Labs? Below are 20 AI startups working in the same space — ranked by our Neuron score so the most credible options come first. Each card shows what makes the tool a viable substitute, pricing signals, and funding stage.
- 1View alternative →
Quo
$161MAI-driven business phone and front office for growing teams
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Free trial · From $15/mo
- 2View alternative →
Numa
$48MAI agents that answer every call and fill the service bay for dealerships
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Free
- 3View alternative →
Synthflow AI
$27MNo-code platform for building human-sounding AI voice agents
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Free trial
- 4View alternative →
Giga
$61MEnterprise voice AI agents that handle customer support like humans
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Free
- 5View alternative →
Salient
$60MAI voice agents handling borrower customer service for consumer lending
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Free
- 6View alternative →
Beside
$32MAn AI receptionist for the real economy that never misses a call
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Free
- 7View alternative →
GetVocal
$30MGoverned conversational AI phone agents for regulated enterprises
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Free
- 8View alternative →
Leaping AI
$4.7MHuman-like AI voice agents for companies and call centers
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Free
- 9View alternative →
Phonely
$19MAI receptionist that answers FAQs, routes calls and books appointments
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Free
- 10View alternative →
Aiello
$10.8MAI voice assistants and agents for hotels
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Enterprise · Contact sales
- 11View alternative →
Loman AI
$3.5M24/7 AI phone agent for restaurants that never misses a call
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Free
- 12View alternative →
Slang AI
UndisclosedThe #1 Voice AI tool for restaurants, acting as an AI Superhost to manage reservations and guest inquiries 24/7.
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Enterprise · Contact sales
- 13View alternative →
indigo.ai
UndisclosedAutomate conversations with AI Agents to manage complex tasks and speak with your brand's voice.
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Enterprise · Contact sales
- 14View alternative →
PolyAI
$120MThe world's most lifelike voice AI agents for enterprise customer service.
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Enterprise · Contact sales
- 15View alternative →
Q Concierge
$3MVoice AI infrastructure that answers every hotel call
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Free
- 16View alternative →
Krisp
$17.5MVoice AI for meetings with #1 noise cancellation, accent AI, translation, and AI note taker.
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Free · From $16/mo
- 17View alternative →
Callab AI
$500KAI voice agents that plug into legacy on-premises PBX telephony systems without infrastructure migration.
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Contact-sales
- 18View alternative →
Bland AI
$22MAutomate phone calls with conversational AI for enterprises, powering next-generation AI call centers.
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Enterprise · Contact sales
- 19View alternative →
Jio Haptik
UndisclosedEnterprise-grade conversational AI agents that deliver human-like customer experiences at infinite scale.
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Enterprise · Contact sales
- 20View alternative →
Retell AI
UndisclosedHire your AI call center for sales, support, and appointment scheduling
Why it's similar: Shares categories with Marr Labs — AI Voice & Speech, AI Customer Support.
💵 Free
Frequently asked questions
What are the best alternatives to Marr Labs?
The top-ranked alternatives to Marr Labs on NeuronFeed are Quo, Numa, Synthflow AI, Giga, Salient. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Marr Labs?
Yes — Numa, Giga, Salient offer a free plans. See the pricing column for each alternative above.
How is this list ranked?
We rank alternatives by shared categories with Marr Labs, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Marr Labs vs Quo — which is better?
It depends on use case. Quo (AI-driven business phone and front office for growing teams) is the #1-ranked alternative. See the full side-by-side at /compare/marr-labs-vs-quo.
Explore more around Marr Labs
Contextual paths to related AI startups, deals and rankings.