Today, AI-powered tools have become the cornerstone of business innovation. Retell AI has built a reputation as a robust conversational AI platform, offering cutting-edge tools for creating virtual voice agents.
However, while Retell AI excels in certain areas, it may not meet the specific needs of every business. Whether it’s due to limited customization, budget constraints, or a lack of particular integrations, the search for alternatives is inevitable for some users.
If you’re exploring options beyond Retell AI, you’re in luck. The year 2025 has ushered in an exciting array of competitors that offer everything from quick deployment to unmatched customization. This detailed guide will walk you through the best Retell AI alternatives that provide a range of features tailored for businesses of all sizes.
By the end of this article, you’ll have a clear understanding of the leading alternatives, their benefits, and how to choose the right platform for your needs.
Why Do Businesses Look for Retell AI Alternatives?
Retell AI is undoubtedly a leader in the AI voice agent space, but it’s not a one-size-fits-all solution. Here are some common reasons businesses start looking for alternatives:
- Customization Limitations: Many businesses require AI platforms that align perfectly with their branding, workflows, or unique operational needs. Retell AI’s options may not always provide the flexibility they need.
- Pricing Concerns: The cost of Retell AI may not fit every organization’s budget, particularly for smaller businesses or startups with limited resources.
- Integration Issues: Companies with existing systems like CRM or ERP platforms may need tools that integrate seamlessly, which isn’t always guaranteed with Retell AI.
- Industry-Specific Needs: Some industries require platforms that offer specialized functionalities, such as HIPAA compliance for healthcare or advanced analytics for e-commerce.
What Should You Look for in a Retell AI Alternative?
Before diving into the top alternatives, it’s essential to understand the critical factors to consider when evaluating a conversational AI platform. These factors will help ensure that the solution you choose aligns with your business objectives:
- Ease of Use: The best platforms should have intuitive interfaces and minimal learning curves, enabling faster implementation.
- Customizability: Deep customization is often necessary to match your company’s branding and meet specific operational requirements.
- Integration Capabilities: A strong platform will integrate seamlessly with your existing tools, such as CRMs, helpdesk systems, and communication platforms.
- Scalability: As your business grows, the platform should be able to handle increasing demands without compromising performance.
- Affordability: Budget considerations are critical. A good platform should offer pricing models that align with the size and stage of your business.
The Best Retell AI Alternatives in 2025
Below are the top alternatives to Retell AI, each offering unique features, benefits, and capabilities.
1. Bigly Sales
Bigly Sales is a standout alternative to Retell AI, combining robust automation features with sales-driven AI tools. What makes Bigly Sales unique is its ability to seamlessly blend conversational AI with actionable sales analytics, empowering businesses to optimize their customer interactions and close more deals.
Bigly Sales cater to businesses of all sizes, offering a platform that is both powerful and easy to use. One of its key advantages is its pricing model—you only pay for the features you need, making it an attractive option for cost-conscious companies.
Additionally, the platform provides tools to automate lead qualification, customer follow-ups, and appointment scheduling, freeing up valuable time for sales teams.
Another compelling feature of Bigly Sales is its scalability. Whether you’re a startup or a growing enterprise, the platform can handle increasing user demands without compromising performance. It also integrates seamlessly with popular CRMs and marketing tools, ensuring a smooth workflow.
Why Choose Bigly Sales?
- Transparent, usage-based pricing.
- Advanced sales analytics.
- Easy integration with CRMs and marketing platforms.
- Scalable for businesses of all sizes.
Read more: Bigly Sales vs Retell AI: A Comprehensive Comparison
2. Synthflow
For businesses seeking a solution that’s fast, simple, and affordable, Synthflow is an excellent alternative. Known for its no-code platform, Synthflow allows users to deploy conversational AI solutions in under 30 minutes. This is particularly valuable for small businesses or startups without access to dedicated technical teams.
Synthflow offers a range of pre-built templates and a drag-and-drop interface, making it easy for non-technical users to create and deploy voice agents.
Despite its simplicity, the platform doesn’t compromise on functionality. It supports multiple languages, integrates with various tools, and offers predictable pricing bundles to help businesses avoid unexpected costs.
Why Choose Synthflow?
- A no-code platform for quick and easy deployment.
- Ideal for startups and small businesses.
- Affordable pricing with bundled services.
- Multilingual support for global businesses.
3. Dialogflow
As one of the most widely recognized AI platforms, Dialogflow offers a robust and flexible solution for businesses that need advanced conversational capabilities.
Dialogflow excels at natural language understanding and seamless interaction. Dialogflow supports a wide range of channels, from websites and apps to popular messaging platforms like WhatsApp and Facebook Messenger.
Its pay-as-you-go pricing model provides flexibility for businesses with fluctuating usage needs. However, Dialogflow’s advanced features may require technical expertise, making it better suited for developers or larger enterprises.
Why Choose Dialogflow?
- Wide range of integrations with messaging platforms.
- Flexible pricing for businesses of all sizes.
- Advanced natural language understanding.
4. Dasha AI
If deep customization and realistic interactions are your top priorities, Dasha AI should be on your radar. This platform is designed for businesses that require ultra-realistic voice agents capable of handling complex conversations. With its proprietary DashaScript technology, Dasha AI enables developers to fine-tune every aspect of the user experience.
Dasha AI is particularly appealing for industries like healthcare, finance, and customer service, where lifelike interactions are critical.
It supports over 30 languages and integrates seamlessly with VoIP systems, allowing businesses to deploy voice agents across multiple channels. While it’s a powerful tool, Dasha AI is best suited for companies with access to skilled developers.
Why Choose Dasha AI?
- Ultra-realistic conversational capabilities.
- Highly customizable with DashaScript.
- Supports over 30 languages.
- Ideal for complex, industry-specific use cases.
5. Amazon Lex
Amazon Lex, powered by the same technology behind Alexa, is a natural choice for businesses already using Amazon Web Services (AWS). Lex offers advanced features like automatic speech recognition and natural language understanding, making it a strong contender in the AI voice agent market.
One of Lex’s key advantages is its seamless integration with the AWS ecosystem. This allows businesses to leverage other AWS services, such as Lambda and DynamoDB, for enhanced functionality. Lex’s pay-as-you-go pricing ensures cost efficiency, but it may not appeal to organizations that rely on other cloud providers.
Why Choose Amazon Lex?
- Seamless integration with AWS services.
- Advanced speech and language capabilities.
- Cost-efficient pay-as-you-go pricing.
- Backed by Amazon’s robust infrastructure.
6. IBM Watson Assistant
For enterprises that need advanced AI capabilities, IBM Watson Assistant is a leading option. Watson Assistant is designed to deliver conversational AI solutions that are both powerful and scalable. Its industry-specific templates make it a great choice for sectors like healthcare, retail, and banking.
Watson Assistant offers advanced analytics to help businesses gain insights into user interactions and improve performance over time. It also integrates with various communication channels, including chat, email, and voice. While the platform’s robust features are impressive, its complexity may require technical expertise during setup and deployment.
Why Choose IBM Watson Assistant?
- Industry-specific templates for rapid deployment.
- Advanced analytics for actionable insights.
- Scalable for enterprise-level needs.
- Integrates with multiple communication channels.
7. Tars
Tars is an AI-powered chatbot platform that specializes in building conversational workflows tailored to lead generation and customer engagement. While it doesn’t focus exclusively on voice agents, Tars excels in creating intelligent chat interfaces for websites and landing pages.
One of Tars’ standout features is its drag-and-drop chatbot builder, which enables businesses to create highly customized workflows without requiring technical skills. It also provides pre-built templates for various industries, helping businesses get started quickly. For those focused on lead conversion, Tars’ robust analytics tools provide insights into how users interact with the chatbot, allowing for continuous optimization.
Why Choose Tars?
- Ideal for lead generation and conversion-focused businesses.
- User-friendly chatbot builder with no coding required.
- Pre-built templates for quick deployment.
- Integrates with CRM and marketing automation platforms.
8. Landbot
Landbot is a conversational AI tool designed for creating highly interactive chatbot experiences. Its intuitive interface enables businesses to design conversational workflows for customer support, lead generation, and onboarding.
While primarily focused on text-based interactions, Landbot can be integrated with voice and messaging platforms for hybrid conversational AI solutions.
Landbot stands out for its playful and visually engaging interface, which makes creating chatbots feel less like work and more like crafting an engaging user experience.
The platform also supports integrations with popular tools like Slack, Zapier, and Google Sheets, making it a versatile choice for businesses that want seamless workflows.
Why Choose Landbot?
- Interactive and visually engaging chatbot builder.
- Perfect for customer support and onboarding.
- Easy integration with third-party tools.
- Great for businesses that prioritize user experience.
9. Voiceflow
Voiceflow is a dedicated platform for designing, prototyping, and launching conversational voice applications. Unlike many competitors, Voiceflow focuses exclusively on voice-first interfaces, making it a top choice for businesses that want to create rich, interactive voice experiences.
Voiceflow is particularly popular among developers and designers, thanks to its collaborative features that allow teams to work together in real time. Its visual workflow editor makes it easy to design complex conversations, and its support for platforms like Alexa, Google Assistant, and custom voice apps ensures flexibility for businesses of all sizes.
Why Choose Voiceflow?
- Specializes in voice-first conversational design.
- Real-time collaboration features for teams.
- Supports major voice platforms like Alexa and Google Assistant.
- Ideal for developers and designers.
10. Kore.ai
Kore.ai is an enterprise-grade conversational AI platform that combines advanced natural language processing (NLP) with a no-code chatbot builder. It’s designed for businesses that need AI solutions for customer service, employee engagement, and process automation.
One of Kore.ai’s unique features is its ability to create multi-modal bots that support text and voice interactions. This makes it an excellent choice for businesses looking for a unified platform to handle multiple communication channels. Kore.ai also offers extensive analytics and monitoring tools, allowing businesses to continuously improve their AI’s performance.
Why Choose Kore.ai?
- Multi-modal bots for text and voice interactions.
- Enterprise-grade features for scalability and security.
- No-code bot builder with NLP capabilities.
- Advanced analytics for performance tracking.
Read more: Best Bland AI Alternatives in 2025
Conclusion
The AI voice agent market in 2025 is brimming with innovative solutions that cater to diverse business needs. Whether you’re looking for a cost-effective platform, a tool with deep customization, or enterprise-grade capabilities, there’s a Retell AI alternative perfect for you. By carefully evaluating the options outlined in this guide, you can find a platform that enhances your operations, engages your customers, and drives your business forward.
