20+ Best Alternatives to PolyAI in 2026
The world's most lifelike voice AI agents for enterprise customer service.
Looking for an alternative to PolyAI? 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 →
Bolna AI
$6.8MVoice AI to enable India's next billion
Why it's similar: Shares categories with PolyAI — AI Agents, AI Voice & Speech.
💵 Enterprise · Contact sales
- 2View alternative →
Retell AI
UndisclosedHire your AI call center for sales, support, and appointment scheduling
Why it's similar: Shares categories with PolyAI — AI Agents, AI Voice & Speech.
💵 Free
- 3View alternative →
Gnani.ai
UndisclosedAutomate voice, SMS, WhatsApp, chat and email with AI agents that understand intent, trigger workflows, and close the loop.
Why it's similar: Shares categories with PolyAI — AI Agents, AI Voice & Speech.
💵 Enterprise · Contact sales
- 4View alternative →
Crescendo
$50MAI-native contact center blending agents and humans
Why it's similar: Shares categories with PolyAI — AI Agents, AI Customer Support.
💵 Usage
- 5View alternative →
Ema
$86MUniversal AI employee for the enterprise
Why it's similar: Shares categories with PolyAI — AI Agents, AI Customer Support.
💵 Enterprise · Contact sales
- 6View alternative →
Sierra
$2.2BConversational AI agents for every business
Why it's similar: Shares categories with PolyAI — AI Agents, AI Customer Support.
💵 Enterprise · Contact sales
- 7View alternative →
Decagon
$546MAI agents that actually solve customer problems
Why it's similar: Shares categories with PolyAI — AI Agents, AI Customer Support.
💵 Enterprise · Contact sales
- 8View alternative →
Beside
$32MAn AI receptionist for the real economy that never misses a call
Why it's similar: Shares categories with PolyAI — AI Voice & Speech, AI Customer Support.
💵 Free
- 9View alternative →
Agency
$20MAgentic AI for customer success and customer experience
Why it's similar: Shares categories with PolyAI — AI Agents, AI Customer Support.
💵 Enterprise · Contact sales
- 10View alternative →
Numa
$48MAI agents that answer every call and fill the service bay for dealerships
Why it's similar: Shares categories with PolyAI — AI Voice & Speech, AI Customer Support.
💵 Free
- 11View alternative →
GetVocal
$30MGoverned conversational AI phone agents for regulated enterprises
Why it's similar: Shares categories with PolyAI — AI Voice & Speech, AI Customer Support.
💵 Free
- 12View alternative →
Level3AI
$13MEnterprise AI agents that automate customer engagement across APAC
Why it's similar: Shares categories with PolyAI — AI Agents, AI Customer Support.
💵 Enterprise · Contact sales
- 13View alternative →
Parloa
$562MAn AI Agent Management Platform that transforms customer conversations into lasting loyalty for contact centers.
Why it's similar: Shares categories with PolyAI — AI Agents, AI Customer Support.
💵 Enterprise · Contact sales
- 14View alternative →
Sesame
$307.6MLifelike voice companions and AI smart glasses
Why it's similar: Shares categories with PolyAI — AI Agents, AI Voice & Speech.
💵 Freemium
- 15View alternative →
Hume AI
$73.9MEmpathic AI voice and emotion intelligence
Why it's similar: Shares categories with PolyAI — AI Voice & Speech, AI Customer Support.
💵 Enterprise · Contact sales
- 16View alternative →
Salient
$60MAI voice agents handling borrower customer service for consumer lending
Why it's similar: Shares categories with PolyAI — AI Voice & Speech, AI Customer Support.
💵 Free
- 17View alternative →
Newo.ai
$32MAI receptionist handling voice, SMS, and WhatsApp for SMB front desks
Why it's similar: Shares categories with PolyAI — AI Agents, AI Voice & Speech.
💵 Free trial
- 18View alternative →
Hightouch
$150MGo from insight to live campaign in minutes – powered by all your data, brand knowledge, and AI.
Why it's similar: Shares categories with PolyAI — AI Agents, AI Customer Support.
💵 Enterprise · Contact sales
- 19View alternative →
Synthflow AI
$27MNo-code platform for building human-sounding AI voice agents
Why it's similar: Shares categories with PolyAI — AI Voice & Speech, AI Customer Support.
💵 Free trial
- 20View alternative →
Gradient Labs
$13MProcedural AI agents that deliver specialist customer support for regulated industries.
Why it's similar: Shares categories with PolyAI — AI Agents, AI Customer Support.
💵 Enterprise · Contact sales
Frequently asked questions
What are the best alternatives to PolyAI?
The top-ranked alternatives to PolyAI on NeuronFeed are Bolna AI, Retell AI, Gnani.ai, Crescendo, Ema. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to PolyAI?
Yes — Retell AI, Beside, Numa offer a free plans. See the pricing column for each alternative above.
How is this list ranked?
We rank alternatives by shared categories with PolyAI, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
PolyAI vs Bolna AI — which is better?
It depends on use case. Bolna AI (Voice AI to enable India's next billion) is the #1-ranked alternative. See the full side-by-side at /compare/polyai-vs-bolna-ai.
Explore more around PolyAI
Contextual paths to related AI startups, deals and rankings.