20+ Best Alternatives to Giga in 2026
Enterprise voice AI agents that handle customer support like humans
Looking for an alternative to Giga? 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 →
PolyAI
$120MThe world's most lifelike voice AI agents for enterprise customer service.
Why it's similar: Shares categories with Giga — AI Voice & Speech, AI Customer Support.
💵 Enterprise · Contact sales
- 2View alternative →
Hume AI
$73.9MEmpathic AI voice and emotion intelligence
Why it's similar: Shares categories with Giga — AI Voice & Speech, AI Customer Support.
💵 Enterprise · Contact sales
- 3View alternative →
Beside
$32MAn AI receptionist for the real economy that never misses a call
Why it's similar: Shares categories with Giga — AI Voice & Speech, AI Customer Support.
💵 Free
- 4View alternative →
Numa
$48MAI agents that answer every call and fill the service bay for dealerships
Why it's similar: Shares categories with Giga — AI Voice & Speech, AI Customer Support.
💵 Free
- 5View alternative →
GetVocal
$30MGoverned conversational AI phone agents for regulated enterprises
Why it's similar: Shares categories with Giga — AI Voice & Speech, AI Customer Support.
💵 Free
- 6View alternative →
Salient
$60MAI voice agents handling borrower customer service for consumer lending
Why it's similar: Shares categories with Giga — AI Voice & Speech, AI Customer Support.
💵 Free
- 7View alternative →
Synthflow AI
$27MNo-code platform for building human-sounding AI voice agents
Why it's similar: Shares categories with Giga — AI Voice & Speech, AI Customer Support.
💵 Free trial
- 8View alternative →
Loman AI
$3.5M24/7 AI phone agent for restaurants that never misses a call
Why it's similar: Shares categories with Giga — 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 Giga — AI Voice & Speech, AI Customer Support.
💵 Free
- 10View 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 Giga — AI Voice & Speech, AI Customer Support.
💵 Free · From $16/mo
- 11View alternative →
Leaping AI
$4.7MHuman-like AI voice agents for companies and call centers
Why it's similar: Shares categories with Giga — AI Voice & Speech, AI Customer Support.
💵 Free
- 12View alternative →
Q Concierge
$3MVoice AI infrastructure that answers every hotel call
Why it's similar: Shares categories with Giga — AI Voice & Speech, AI Customer Support.
💵 Free
- 13View alternative →
Aiello
$10.8MAI voice assistants and agents for hotels
Why it's similar: Shares categories with Giga — AI Voice & Speech, AI Customer Support.
💵 Enterprise · Contact sales
- 14View alternative →
Quo
$161MAI-driven business phone and front office for growing teams
Why it's similar: Shares categories with Giga — AI Voice & Speech, AI Customer Support.
💵 Free trial · From $15/mo
- 15View alternative →
Speechify
$40MTurn any text into natural audio with AI
Why it's similar: Shares categories with Giga — AI Voice & Speech, AI Customer Support.
💵 Free · From $29/mo
- 16View 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 Giga — AI Voice & Speech, AI Customer Support.
💵 Free trial
- 17View alternative →
Bland AI
$22MAutomate phone calls with conversational AI for enterprises, powering next-generation AI call centers.
Why it's similar: Shares categories with Giga — AI Voice & Speech, AI Customer Support.
💵 Enterprise · Contact sales
- 18View alternative →
Jio Haptik
UndisclosedEnterprise-grade conversational AI agents that deliver human-like customer experiences at infinite scale.
Why it's similar: Shares categories with Giga — AI Voice & Speech, AI Customer Support.
💵 Enterprise · Contact sales
- 19View alternative →
Retell AI
UndisclosedHire your AI call center for sales, support, and appointment scheduling
Why it's similar: Shares categories with Giga — AI Voice & Speech, AI Customer Support.
💵 Free
- 20View alternative →
Marr Labs
UndisclosedAI voice agents for regulated industries
Why it's similar: Shares categories with Giga — AI Voice & Speech, AI Customer Support.
💵 Custom
Frequently asked questions
What are the best alternatives to Giga?
The top-ranked alternatives to Giga on NeuronFeed are PolyAI, Hume AI, Beside, Numa, GetVocal. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Giga?
Yes — Beside, Numa, GetVocal offer a free plans. See the pricing column for each alternative above.
How is this list ranked?
We rank alternatives by shared categories with Giga, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Giga vs PolyAI — which is better?
It depends on use case. PolyAI (The world's most lifelike voice AI agents for enterprise customer service.) is the #1-ranked alternative. See the full side-by-side at /compare/giga-ai-vs-polyai.
Explore more around Giga
Contextual paths to related AI startups, deals and rankings.