Best Synthflow Alternatives | Top Smarter Voice AI Tools for Businesses

Businesses today face constant pressure to respond faster, work smarter, and reduce support costs—without sacrificing customer experience. AI voice tools have stepped in to solve this challenge by automating phone conversations while sounding natural and handling tasks efficiently. 

Synthflow gained attention for making AI voice agents more accessible, but as needs grow, many teams begin searching for tools with deeper insights, better language support, and more flexible integrations. 

That’s where more intelligent Synthflow alternatives come in. This guide will walk you through the most effective Synthflow alternative options:

Best Synthflow Alternatives

AI voice tools are no longer optional—they’re a business necessity. Every growing company wants speed, scalability, and smarter automation. Many are now rethinking options beyond Synthflow.

Let’s explore the best Synthflow alternatives available right now.

1. Brilo AI

Brilo AI is the best alternative for businesses seeking smarter, scalable alternatives. It combines voice automation with real-time analytics, sentiment analysis, multilingual AI support, and advanced call handling. 

Whether you’re scaling customer support with AI or optimizing outbound campaigns, Brilo simplifies the process and gives your team a competitive edge with more insights, accuracy, and control per call.

Top Features

• Real-time summarization: Captures key details from every call while it happens, allowing teams to respond quickly, document insights faster, and avoid wasting time reviewing full call transcripts.

• Sentiment and intent analysis: Detects caller emotions and goals instantly, helping businesses adjust responses, manage complaints better, and improve overall service interactions with data-backed decisions.

• Topic detection and NLU: Organizes conversation themes using natural language understanding, making post-call analysis easier and improving support categorization and workflow automation.

Use Cases

• Customer support automation: Handles common questions, routes complex calls, and reduces wait times—freeing up human agents to focus on higher-priority conversations during peak hours.

• Industry fit and flexibility: Works best for industries like e-commerce, healthcare, logistics, real estate, and finance—where high-volume calls, personalization, and fast responses are crucial to success.

• Sales and appointment booking: Qualifies leads, books meetings, and follows up automatically, making outbound calling efficient and enabling teams to scale without increasing headcount.

• Multilingual phone agents: Supports global teams by handling calls in various languages, allowing businesses to serve diverse markets with localized and natural-sounding voice automation.

Pricing

• Free Plan: $0/month, 10 minutes, 1 agent, 1 workspace

• Starter Plan: $49/month, 160 minutes, 1 agent, additional usage at $0.18/min

• Pro Plan: $149/month, 600 minutes, 3 agents, $0.16/min extra

• Growth Plan: $499/month, 2500 minutes, unlimited agents, $0.14/min extra

• Custom Plan: Over 5000 minutes, pricing below $0.14/min, includes white-glove onboarding and unlimited workspaces

2. ElevenLabs

ElevenLabs is another powerful voice AI platform built for creators and developers who need high-quality, lifelike audio. It supports 32+ languages and offers tools like voice cloning, dubbing, and TTS. 

For teams working in media, education, or localization, it’s a flexible choice among top options that focus on content production.

Top Features

• Voice cloning: Lets users create custom voices using samples, delivering near-human tone, pitch, and emotional nuance across different types of voice content and business use cases.

• Multilingual text-to-speech: Generates lifelike voice output in over 30 languages, ideal for teams building global applications or content that needs consistent delivery across regions.

• Developer APIs: Offers fast, simple APIs and SDKs so teams can plug voice features into web, mobile, or IVR systems quickly without deep engineering overhead.

Use Cases

• Audiobook and video narration: Powers storytelling with high-quality voiceovers, giving authors, podcasters, and educators an easier way to engage global audiences without hiring voice actors.

• AI agents and assistants: Enhances support tools and chatbots with realistic audio responses, making interactions feel natural and increasing customer satisfaction and trust.

• Global content localization: Converts video and audio content into multiple languages, preserving tone and timing, ideal for marketing, training, and education teams.

• Industry fit and flexibility: Best suited for media, publishing, e-learning, and gaming, where voice quality, character customization, and multilingual support are core requirements.

Pricing

• Starter: $5/month for 10,000 characters

• Creator: $22/month for 100,000 characters

• Independent: $99/month for 500,000 characters

• Enterprise: Custom plan with higher limits, priority support, and enterprise-grade SLA

3. Tovie AI

Tovie AI focuses on enterprise-ready generative and conversational AI. With secure on-premise deployments, voice bots, and data search tools, it serves industries with complex workflows and compliance needs. 

Tovie AI is an advanced pick for teams that require control, security, and flexibility—making it a top contender among top solutions in regulated sectors.

Top Features

• Voice bot automation: Handles high-volume calls using natural-sounding bots, reducing agent workload and improving speed without sacrificing user experience or response quality.

• On-premise GenAI platform: Deploys conversational AI in private environments, helping businesses meet strict compliance, security, and performance needs without external dependencies.

• Data Agent search tool: Uses large language models to search internal data instantly, enabling teams to access insights through a conversational interface.

Use Cases

• Government and e-services: Automates citizen interactions, manages documents, and streamlines public communication while staying compliant with national security and privacy standards.

• Enterprise customer support: Reduces response time for inquiries and supports multilingual audiences, making it ideal for global teams and regulated industries.

• Banking and finance workflows: Speeds up tasks like claims handling, internal reporting, and client onboarding using AI-driven automation across secure infrastructure.

• Industry fit and flexibility: Designed for government, finance, insurance, and healthcare sectors—where compliance, data privacy, and enterprise-scale automation are essential.

Pricing

• Custom pricing models: Pricing varies depending on deployment scale, infrastructure requirements, and enterprise support needs. Contact sales directly for an accurate quote.

4. Talkdesk AI

Talkdesk AI powers intelligent contact centers with voice and chat automation built into its cloud platform. It’s designed for teams looking to reduce support load while improving service speed and accuracy. 

With deep integration support, Talkdesk fits mid-size to enterprise businesses looking for flexible solutions with built-in AI workflows.

Top Features

• AI-powered virtual agents: Automates calls and chats using natural-sounding AI voices, reducing human workload and improving customer handling speed across multiple support channels.

• AI trainer and intent detection: Allows teams to train models on custom data, improving how bots understand the intent and deliver accurate, context-aware responses in real-time.

• Workflow automation builder: Offers visual tools to create AI-powered workflows for routing, escalation, and ticket resolution—no advanced coding skills required.

Use Cases

• Omnichannel contact centers: Handles support across phone, chat, and email with unified AI, reducing silos and improving the overall support experience.

• Customer self-service: Deflects routine questions to AI, freeing agents to handle more complex issues and shortening average handle time across the board.

• Call routing and prioritization: Routes calls based on sentiment, urgency, or customer profile to the most suitable agent or action.

• Industry fit and flexibility: Ideal for telecom, healthcare, retail, and banking—where agent cost control and support scalability are key.

Pricing

• Custom-based Plans: Talkdesk pricing is custom based on business size, feature selection, and usage volume. Quotes typically start from $85/user/month for core features, with AI add-ons increasing per-seat cost.

5. Kore.ai

Kore.ai provides a robust AI-native platform built to create voice and digital assistants. Focused on enterprise automation, it helps businesses deploy AI agents across customer service, HR, IT, and more. 

Kore.ai is one of the most flexible AI solutions for teams that want fully customizable, secure, and scalable conversation flows.

Top Features

• Virtual assistant builder: This tool offers low-code tools for building AI bots for chat and voice, allowing custom workflows without relying heavily on dev resources.

• Pre-built domain models: Includes industry templates for banking, healthcare, and HR, accelerating deployment time and improving conversation accuracy from day one.

• Omnichannel support: Works across web, mobile, phone, social, and messaging channels to deliver consistent customer experiences from a single AI engine.

Use Cases

• Customer support and self-service: Automates common queries and tasks, reducing ticket load and improving speed to resolution through AI-based interactions.

• Employee experience automation: Streamlines HR tasks like onboarding, leave requests, and policy questions using internal AI assistants.

• IT and helpdesk operations: Handles password resets, access requests, and system triaging without involving live agents.

• Industry fit and flexibility: Best for enterprise, banking, HR, and insurance, where deep integration and security compliance are non-negotiable.

Pricing

• Custom Pricing: Kore.ai offers custom pricing tailored to platform access, number of bots, channels used, and user volume. Entry plans start near $50/user/month for smaller deployments.

6. Cognigy

Cognigy provides enterprise-grade AI agents that power voice and chat automation across contact centers. Known for its powerful orchestration layer, it allows businesses to design custom experiences using voice gateways and real-time agent assistance. 

Cognigy is a top choice for complex contact centers needing customizable AI-powered solutions for customer service.

Top Features

• AI orchestration engine: Combines natural language processing, routing, and integrations into one control layer for high-volume automation.

• Voice gateway integration: Connects easily with telephony systems to enable scalable, intelligent phone conversations using human-like AI agents.

• Agent assist tools: Supports live agents with real-time suggestions, auto summaries, and contextual prompts during customer conversations.

Use Cases

• Voice and IVR automation: Replaces legacy IVR with intelligent AI agents that adapt in real-time to caller needs.

• Live agent augmentation: Boosts agent productivity by delivering AI prompts, suggested actions, and knowledge-base answers mid-call.

• 24/7 customer service: Maintains service availability around the clock using multilingual voice and chat automation.

• Industry fit and flexibility: Built for utilities, transport, e-commerce, and enterprise BPOs, where custom flows and integrations matter most.

Pricing

• Cognigy uses enterprise-level pricing: Costs are determined by user volume, voice minutes, channel complexity, and SLAs. Contact their sales team for a detailed quote based on the project scope.

Key Features to Consider in a Synthflow Alternative Tool

Choosing the right tool goes beyond voice automation—it’s about long-term fit, flexibility, and accuracy. Smart teams compare features before switching to alternative options:

• Real-time call analytics: Tracks sentiment, intent, and topics during calls, giving teams immediate insights to adjust responses and make decisions without relying on post-call evaluations or guesswork.

• Multilingual voice support: Handles diverse languages fluently, enabling businesses to serve global audiences without needing separate tools or hiring multilingual agents for automating customer service.

• Scalable usage plans: Offers flexible pricing based on volume and growth, ensuring teams can start small and scale usage without switching platforms or losing features during expansion.

• CRM and API integration: Connects smoothly with tools like CRMs, helpdesks, and data platforms, keeping operations unified and enhancing the impact of AI in customer service strategies.

• Natural-sounding voice agents: Delivers smooth and realistic speech that improves caller trust and makes voice agents feel human—crucial for industries where tone and clarity influence satisfaction.

• Customization and workflows: Let teams build, adjust, or automate call flows using visual tools or logic editors, avoiding rigid setups and tailoring voice interactions to specific business needs.

• Onboarding and support: Provides easy setup, training resources, and responsive support channels so teams can adopt faster and reduce downtime when switching from existing tools.

• Compliance and data security: Protects customer data with features like GDPR, SOC2, and secure hosting, making sure businesses meet privacy laws and industry regulations from day one.

FAQs

Are there free Synthflow alternatives?

Yes, most of the top tools offer a free plan with limited minutes, allowing businesses to test features before upgrading. Free options suit early-stage teams but come with usage caps and fewer features.

Can I use Synthflow alternatives for sales calls?

Yes, most alternative solutions support sales use cases. Brilo, for example, qualifies leads, books appointments, and automates follow-ups using smart voice agents with advanced conversation tracking.

What’s the best option for small businesses?

Brilo AI is a top option that works well for small teams needing automation without a large budget. Its Starter Plan offers enough minutes and features to help businesses start fast and scale gradually over time.