10 AI Voice Agents That Answer Your Business Calls
Pick a voice agent that books, qualifies and answers for you.
Key Takeaways
- Best for Indian languages: Bolna
- Best for developers: Vapi
- Best for small shops: Goodcall
- Only enterprise plan: Synthflow
The 10 best AI voice agents in 2026 answer and make phone calls for you, in English and in Indian languages. Here is how they compare, with prices from each official website.
Top 10 AI voice agents at a glance
| Tool | Best for | Free plan |
|---|---|---|
| 1. Bolna | Indian-language calls | Yes, $5 in free credits for new accounts |
| 2. Vapi | Developers building agents | Yes, $5 in free credits |
| 3. Retell AI | Phone call automation | Yes, $10 in free credits |
| 4. ElevenLabs Agents | Natural-sounding voices | Free plan available on ElevenLabs |
| 5. Smallest.ai | Low-latency voice stack | Yes, $10 in free credits |
| 6. Bland AI | High-volume calling | Pay as you go, $0 platform fee and no card required |
| 7. Synthflow | Enterprise call centres | No, no free plan or trial |
| 8. Goodcall | Small business answering | Yes, a free demo agent |
| 9. Sarvam | Indian-language voice AI | Playground to test in the browser |
| 10. Voiceflow | Chat and voice agent teams | Free trial, no card required (agency plan) |
Jump toBolnaVapiRetell AIElevenLabs AgentsSmallest.aiBland AISynthflowGoodcallSarvamVoiceflow
The 10 best AI voice agents in 2026
1. Bolna
Bolna builds voice agents for inbound and outbound calls. It supports 10+ Indian languages, including Hinglish, Hindi, Tamil and Telugu.
Best for: Indian-language calls
Free plan: Yes, $5 in free credits for new accounts
Price: Pay-as-you-go from $0.06 per minute (about ₹5.52); telephony and a platform fee are added per minute
Website: bolna.ai
2. Vapi
Vapi is a developer platform to build, deploy and improve voice agents. You pick the transcriber, AI model and voice, and pay for the minutes you use.
Best for: Developers building agents
Free plan: Yes, $5 in free credits
Price: Pay by usage; Core plan $29 a month, Pro plan from $999 a month
Website: vapi.ai
3. Retell AI
Retell AI is a platform for AI phone agents that answer and make calls. It lists call transfer, appointment booking and batch calling among its features.
Best for: Phone call automation
Free plan: Yes, $10 in free credits
Price: $0.07 to $0.31 per minute for voice agents, pay as you go
Website: retellai.com
4. ElevenLabs Agents
ElevenLabs Agents lets you configure, deploy and monitor conversational agents in 90+ languages across voice, chat and email.
Best for: Natural-sounding voices
Free plan: Free plan available on ElevenLabs
Price: See current plans on the ElevenLabs pricing page
Website: elevenlabs.io/agents
5. Smallest.ai
Smallest.ai offers voice agents plus its own speech models, such as Pulse for speech to text. Its pay-as-you-go plan gives full access from the start.
Best for: Low-latency voice stack
Free plan: Yes, $10 in free credits
Price: Pay as you go, $0.09 to $0.21 per minute depending on the models
Website: smallest.ai
6. Bland AI
Bland AI automates complex phone calls from start to finish. Its per-minute rate covers the AI model, transcription and voices, with no token charges.
Best for: High-volume calling
Free plan: Pay as you go, $0 platform fee and no card required
Price: Start $0.14 per minute with no platform fee; Build $0.12 per minute plus $299 a month
Website: bland.ai
7. Synthflow
Synthflow builds AI voice agents that work inside your existing phone system. It targets contact centers, BPOs and multi-location brands handling customer calls.
Best for: Enterprise call centres
Free plan: No, no free plan or trial
Price: Annual enterprise agreement priced to your needs; no rate by the minute
Website: synthflow.ai
8. Goodcall
Goodcall is an AI phone agent that answers calls for small businesses. It bills per unique customer served, never per minute.
Best for: Small business answering
Free plan: Yes, a free demo agent
Price: Starter $79 a month, Growth $129 a month, Scale $299 a month
Website: goodcall.com
9. Sarvam
Sarvam is an Indian AI platform with Voice Agents among its products. Its speech to text covers 12 Indic languages and its text to speech covers 11.
Best for: Indian-language voice AI
Free plan: Playground to test in the browser
Price: See the API Pricing page on sarvam.ai (priced in rupees)
Website: sarvam.ai
10. Voiceflow
Voiceflow is a platform for teams to build, test and ship chat and voice agents.
Best for: Chat and voice agent teams
Free plan: Free trial, no card required (agency plan)
Price: Agency plan with usage-based billing; businesses request pricing
Website: voiceflow.com
Final verdict
For Indian-language calls, start with Bolna or Sarvam. Developers can try Vapi, Retell AI or Smallest.ai on free credits. Small shops can pick Goodcall. Test two tools on a real call before you commit.
