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There are 7 Free AI tools for Voice agents.

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Speechmatics | AI Voice Agents

Build smarter AI voice agents with the best speech recognition technology

Voice agents

Open

56,790
30
4.2

Released 1mo ago
Free + from $0.24
Share
54,189 www.speechmatics.com
GPT Trainer

AI Voice and Text Agents with No-Code

Customer support

Open

19,177
142
4.8

2.3 released 7mo ago
Free + from $150
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4,147 gpt-trainer.com

John Griffith

🙏 54 karma

Jun 16, 2024

@GPT Trainer

GPT Trainer is run by a highly responsive management team and support staff. Questions are answered quickly, feature requests are incorporated quickly. We have multiple chatbots that are live with GPT Traner, including for Healthcare, hospitality and solar energy providers. We highly recommend for both value and quality.

5313 Reply Share Edit Delete Report
Intervo AI

Open-source platform for conversational AI agents.

Voice agents

Open

5,297
10
4.8

Released 1mo ago
From $10
Share
4,220 intervo.ai

pikero

🙏 20 karma

Oct 1, 2025

@Intervo AI

We use this tool for lead qualification in real estate, and it’s been a huge win. Every enquiry gets filtered quickly, only serious prospects reach us, and no opportunities are missed. It saves time and helps us give real attention where it matters most.

266 Reply Share Edit Delete Report

Specialized tools 7

Speechmatics | AI Voice Agents

Build smarter AI voice agents with the best speech recognition technology

56,790
30
4.2

Released 1mo ago
Free + from $0.24
Share
54,189 www.speechmatics.com
Voice Flux

Voice AI agents for smarter websites

2,424
21
4.0

Released 11mo ago
Free + from $100/mo
Share

wouter van der Meij

🙏 5 karma

Dec 2, 2024

@Voice Flux

Looks user friendly!

94 Reply Share Edit Delete Report
VoiceAIWrapper

Connect any Voice AI under your brand

8,620
19
5.0

Released 3mo ago
Free + from $29/mo
Share
7,141 voiceaiwrapper.com

Michael Carter

🙏 13 karma

Jul 9, 2025

@VoiceAIWrapper

Using Voice AI Wrapper has been a game changer for my agency. I was able to launch fully branded voice AI services for my clients in under an hour. The ability to choose different voice providers for different use cases has helped me deliver exactly what each client needs. Overall, it has saved me time, reduced costs, and opened up a whole new revenue stream. I highly recommend it to any agency looking to scale fast and stand out.

101 Reply Share Edit Delete Report
Vocode

Build and deploy hyperrealistic voice AI agents.

1,042
17
5.0

Released 1y ago
Free + from $25/mo
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Ulan Yisaev

🙏 7 karma

Oct 6, 2024

@Vocode

Vocode has been a game-changer for our voicebot project! It handles real-time audio streams seamlessly and made integration with our custom ASR and TTS components easy. Can recommend for any voice AI applications!

61 Reply Share Edit Delete Report
Calldock

Add AI voice agents to your website in minutes.

11,132
16
5.0

Released 5mo ago
Free + from $41/mo
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10,447 calldock.co
Babelbeez

Add AI voice agents to your website instantly.

156
5

Released 6d ago
Free + from $39/mo
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Layercode

Build low-latency voice AI agents effortlessly.

16,280
5

Released 25d ago
Free + from $250/mo
Share
15,976 layercode.com

Also used for Voice agents 2

GPT Trainer

AI Voice and Text Agents with No-Code

Customer support

Open

19,177
142
4.8

2.3 released 7mo ago
Free + from $150
Share
4,147 gpt-trainer.com

John Griffith

🙏 54 karma

Jun 16, 2024

@GPT Trainer

GPT Trainer is run by a highly responsive management team and support staff. Questions are answered quickly, feature requests are incorporated quickly. We have multiple chatbots that are live with GPT Traner, including for Healthcare, hospitality and solar energy providers. We highly recommend for both value and quality.

5313 Reply Share Edit Delete Report
Speechmatics

Enterprise-grade speech-to-text APIs for Voice AI builders.

Transcription

Open

6,285
123
5.0

Released 3y ago
Free + from $0.24
Share
536 www.speechmatics.com

Tom Young

🙏 8 karma

Nov 22, 2023

@Speechmatics

Huge fan, love Speechmatics! By far the most accurate and inclusive speech technology on the market.

6 Reply Share Edit Delete Report

Related Tasks✕

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Discussion(31)

🎤 Voice agents

Carla Romero

20h ago

@Intervo AI

Intervo.ai has been a huge help for our front desk team. Patients get immediate responses 24/7, whether they’re asking about office hours or booking a consultation. It’s like having a reliable extra staff member who never takes a break.

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🎤 Voice agents

I’ve seen a 40% improvement in response times since integrating Intervo.ai into our property site. Clients appreciate getting instant answers about listings and availability.

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🎤 Voice agents

We've integrated Intervo.ai into our lead management process, and the results have been exceptional. The AI efficiently handles initial inquiries, freeing up our team to focus on high-value interactions and ensuring our clients feel heard at all times.

1 Reply Share Delete Report

🎤 Voice agents

Intervo feels like a next-gen AI solution that truly understands modern workflows. It adapts quickly, learns from real interactions, and scales effortlessly as needs grow. The system’s precision and responsiveness make it a game-changer for teams that value speed, automation, and innovation.

1 Reply Share Delete Report

🎤 Voice agents

Natalia González

11d ago

@Intervo AI

As a developer, I appreciate how easily Intervo integrates with our existing systems. Its API is well-documented, and setup was straightforward. The AI’s automation capabilities have significantly reduced manual workloads, allowing us to focus on building better features instead of handling repetitive support tasks.

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🎤 Voice agents

Compared to hiring a human receptionist, this is saving me so much money. And it doesn’t get tired, complain, or forget details.

1 Reply Share Delete Report

🎤 Voice agents

Hugo Thiago

13d ago

@Intervo AI

Running a dental practice means phones keep ringing while I’m with patients. The AI answers basic questions like timings and fees so my staff doesn’t get overloaded.

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🎤 Voice agents

Mario Bosquet

19d ago

@Dialora.ai

Dialora.ai has been a transformative tool for my business, earning a solid 5-star rating. It provides AI voice agents that expertly answer, qualify, and book calls 24/7, eliminating the worry of missed sales opportunities and the need for complex coding. The platform ensures that only serious buyers are booked directly into my calendar, as it automatically filters out unqualified leads, saving me significant time and effort. Setting up Dialora was remarkably easy, and its seamless CRM integration is a major advantage. Every call, lead, and conversion is automatically synced, ensuring no follow-ups are lost and my sales pipeline remains consistently full. I also deeply appreciate the robust compliance and data integrity measures, including regular penetration testing and encrypted communications, which provide great peace of mind regarding data security. Furthermore, the ability to power my business in multiple languages with diverse voice libraries is incredibly beneficial, allowing me to connect with a broader audience. Dialora.ai is an indispensable solution for anyone looking to close more deals, streamline sales operations, and ensure every opportunity is captured.

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🎤 Voice agents

juan perez

19d ago

@Intervo AI

Intervo is a solid solution with just a bit of tweaking needed. Honestly though, between the level of automation it provides, the support it offers, and how much it cuts down manual workload it’s really impressive.

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🎤 Voice agents

Intervo is a great approach that just needs a little more fine tuning. But honestly, the level of automation and support it offers and how much it reduces human effort is truly impressive

3 Reply Share Delete Report

🎤 Voice agents

What we value most about Intervo.ai is the freedom it gives us. It’s a truly open-source platform that doesn’t lock you into a proprietary ecosystem. We can choose our own LLM, our own STT engine, and host it wherever we want, giving us complete control over our technology stack and our future.

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🎤 Voice agents

I’m running a small education center, and even last-minute enrollments are handled smoothly. Students really appreciate the flexibility, and it helps keep our classes full all the time.

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🎤 Voice agents

I run a small real estate agency, and answering every lead call was becoming impossible. With Intervo.ai, I finally have something that feels like a real receptionist. The AI books appointments, answers FAQs, and even follows up politely when I miss a call. My clients actually thank me for the “agent” who answered, and they don’t realize it’s AI. It’s been a lifesaver in scaling my business.

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🎤 Voice agents

What I love most about Intervo is how natural the voice sounds. Customers often don’t even realize they’re talking to an AI agent, which keeps the experience smooth and personal.

3 Reply Share Delete Report

🎤 Voice agents

We use this tool for lead qualification in real estate, and it’s been a huge win. Every enquiry gets filtered quickly, only serious prospects reach us, and no opportunities are missed. It saves time and helps us give real attention where it matters most.

266 Reply Share Delete Report

🎤 Voice agents

As Spetix Enterprises, we were struggling with day-to-day Tier 1 receptionist tasks, too many enquiries were left unattended due to limited resources and time. After adopting this solution, those challenges are completely sorted. It saves us time, improves customer acquisition, and ensures no lead goes unattended. A real game-changer for our business.

3 Reply Share Delete Report

🎤 Voice agents

I’ve been using the Intervo.ai widget on my website and it’s been amazing, no need for a customer care executive anymore. It handles chats so smoothly and saves me both time and cost. Thanks for building this!

2 Reply Share Delete Report

🎤 Voice agents

vapi is a great tool for voice agents.... THe team is forward thinking....

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🎤 Voice agents

been using retell ai for last year.... Built over 50 voice agents for mysel and clients.... easy to use ...

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🎤 Voice agents

I want to get a refund. I have never used your service, yet I was charged automatically. I emailed for a refund immediately after the charge, but you have not responded. Our country’s regulations guarantee a full refund within 14 days, so please comply and process my refund without delay. A service that handles customers like this is truly the worst. Invoice / transaction ID : #2234-5179

2 Reply Share Delete Report

Thanks for using the paltform @Nuffff we have gone through your case and refunded as per our policy : https://www.dialora.ai/refund-policy

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🎤 Voice agents

1 Reply Share Delete Report

🎤 Voice agents

Using Voice AI Wrapper has been a game changer for my agency. I was able to launch fully branded voice AI services for my clients in under an hour. The ability to choose different voice providers for different use cases has helped me deliver exactly what each client needs. Overall, it has saved me time, reduced costs, and opened up a whole new revenue stream. I highly recommend it to any agency looking to scale fast and stand out.

101 Reply Share Delete Report

🎤 Voice agents

I really liked the agency billing with stripe really makes it easier to charge my clients and show their campaign results

2 Reply Share Delete Report

🎤 Voice agents

Voice AI Wrapper is an amazing tool for agencies to whitelabel their custom services to clients.

1 Reply Share Delete Report

🎤 Voice agents

Soban Ajmal

5mo ago

@Retell AI

Fantastic tool. Compared to Vapi in terms of voice quality and built-in setup, it’s outstanding.

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🎤 Voice agents

Excellent platform. Excellent documentation.

93 Reply Share Delete Report

🎤 Voice agents

Callfluent is NOT ready for commercial use. I signed up, followed their tutorials to a tee, and could not get voice bot to work. The bot would hallucinate about dates, and would actually argue with me about days dates. I tried to connect with their support, and kept getting the same replies -- to not use the web based calling feature. I was actually calling by phone to test the bot. Support is TONE DEAF. I sent call recordings, transcriptions, and detailed list of issues by email. They kept repeating the same answers... almost as if they use their own garbage AI for tech support. I requested a ZOOM call with their "onboarding specialist" and was given access to a calendar, with the soonest appointment 8 days away. I requested a sooner appointment and the specialist started offering me times IN THE PAST. Again, I think they use their own AI for support or scheduling. I would stay away from this product. Not very good at all. Avoid at all costs if you wish to have a successful AI chat and voice bot.

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🎤 Voice agents

Looks user friendly!

94 Reply Share Delete Report

🎤 Voice agents

Vocode has been a game-changer for our voicebot project! It handles real-time audio streams seamlessly and made integration with our custom ASR and TTS components easy. Can recommend for any voice AI applications!

61 Reply Share Delete Report

🎤 Voice agents

You and your team have created a great system, but you must answer your support tickets. I have been on for over 3 weeks, and your support is non-existent. How do you get support from Callfluent.ai? I am getting automated follow-ups on support requests "since we have not heard back from you", but your team has not responded to the original support tickets. Very frustrating

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Also used for Voice agents 2

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