Sestek Speech Analytics Alternatives (September 2025)

Sestek develops AI-powered solutions using text-to-speech, speech recognition, natural language processing and voice biometrics technologies

4.8/5

28+ reviews

Reviewed on:

G2
Gartner
1.
Convin: Omnichannel Contact Centers Powered By Conversation Intelligence
https://convi
.ai/

Transform omnichannel contact center performance by automating call quality monitoring, behavioral analysis, and agent coaching.

2.
AI-Powered Voice Assistants | AI Rudder
https://m.airudde
.com/

Increase the scale, speed and quality of your customer experience with human-like AI-powered voice assistants.

3.
Artificial intelligence for business. Conversational AI
https://www.voz
.co/

With conversational AI we evolve the relationship of companies with their customers : Conversation Assistants, Speech Analytics, Collection, SAC, Qualified Leads.

4.
daisee | AI voice analytics and contact centre quality assurance software — daisee
https://www.daise
.com/

Enhance CX, evaluate agent performance, rapdily transcribe 100% of calls and improve quality assurance standards

5.
Conversational AI Platform for Enterprise | boost.ai
https://www.boos
.ai/

Boost your self-service rates and reach new heights of customer satisfaction using our end-to-end conversational AI platform!

6.
Conversation Intelligence for Customer Experience
https://callmine
.com/

Unlock the value of your contact center and improve customer experience with the industry's most powerful conversation intelligence platform.

7.
Conversational AI for Enterprise | Hyro
http://hyr
.ai/

Conversational AI can protect your staff from repetitive calls and messages, improve customer engagement and stretch operational dollars. Book a demo with Hyro.

8.
Conversational AI for Customer Support Automation - Verloop.io
https://verloo
.io/

Verloop.io provides Conversational AI solution for customer support automation. Explore our Conversational AI platform to deliver delightful support experience.

9.
Transform Customer Experience and Engagement with AI | Exotel | Exotel
https://exote
.in/

AI transformation partner for enterprises, driving increased revenue, reduced costs, and enhanced customer experience with Exotel solutions.

10.
Data First Contact Center powered by Autonomous Agents | Rezo.ai
https://www.rez
.ai/

Autonomous agents enhance contact center efficiency, automating tasks and improving customer interactions for seamless support.

11.
klink.cloud - Contact Center Platform
https://www.klin
.cloud/

Omnichannel Contact Center Platform. Connect Southeast Asia Virtual Phone Numbers

12.
Infobip - The best omnichannel marketing platform
http://www.infobi
.com/

Engage your customers and prospects with simple drag and drop email, SMS, chatbot or build custom solutions with the best in class APIs

13.
Infobip - The best omnichannel marketing platform
https://www.infobi
.com/

Engage your customers and prospects with simple drag and drop email, SMS, chatbot or build custom solutions with the best in class APIs

14.
Loris – Conversational Intelligence for Leading Brands
https://lori
.ai/

Loris gives you the answers you need to make better CX decisions, from why customers are contacting you to how well your teams are resolving issues.

15.
Capturi – Value-creating conversations start here
https://captur
.com/

Use AI to transform your customer interactions. Turn ordinary conversations into extraordinary and value-driven exchanges, and ensure that every interaction, whether with artificial agents or humans, is productive and memorable.

16.
Verbatik - Most Realistic Text to Speech & Voice Cloning
http://verbati
.com/

Transform text into natural-sounding speech with Verbatik's AI-powered platform. Clone voices in seconds, and customize audio for marketing and more. Try for free with 1000 characters!

17.
Best Conversational CRM Powered by Generative AI
https://hapti
.ai/

Haptik helps enterprises manage the customer lifecycle with Generative AI-powered Conversational CRM to streamline support, boost marketing & fire up sales

18.
#1 Conversational AI - Enterprise Customer Service Support - Netomi
https://netom
.com/

AI customer service and support takes care of the customers you work hard to win. More than a chatbot, discover Netomi's automated customer service.

19.
Deepgram Voice AI: Text to Speech + Speech to Text APIs | Deepgram
https://www.deepgra
.com/

Power your apps with real-time speech-to-text and text-to-speech APIs powered by Deepgram's voice AI models. Low latency, high quality, and low cost that scales

20.
Aisera: ChatGPT and AI Search for the Enterprise
https://aiser
.com/

Our Generative AI Solutions & ChatGPT for Enterprise Helps Automate Workflows For IT, HR, Customer Support, Sales and Operations At Scale!

21.
Contact Center and Customer Experience Solutions | Verizon
https://www.verizo
.com/business/products/contact-center-cx/

Deliver seamless omnichannel experiences with customer experience and contact center solutions from Verizon Business. Drive loyalty and capture the voice of the customer.

22.
AI-Optimized Customer and Employee Experiences - Kore.ai
https://kor
.ai/

Kore.ai automates front-office and back-office interactions for every industry by deploying conversational AI-first virtual assistants and process assistants.

23.
Ontotext
https://graphdb.ontotex
.com/

By leveraging AI technologies, we help enterprises get a competitive advantage. We make big knowledge graphs to enable unified data access and analytics.

24.
Cloud Contact Center Platform | CCaaS | AI-Powered
https://www.talkdes
.com/

Talkdesk is a global cloud contact center leader for modern AI-powered customer service that is trusted, flexible, and innovative. Get a demo today.

25.
Unless - conversational AI for regulated industries
https://unles
.com/

No-code, omnichannel, AI assistance to boost customer success in compliance-driven markets… with an almost trivial implementation effort.

26.
Artificial Intelligence Solutions for Call Centers | Level AI
https://theleve
.ai/

Level AI's call center AI uses semantic intelligence to understand support interactions to improve contact center team performance. Request a demo today.

27.
Cresta AI | Generative AI for the Intelligent Contact Center
https://crest
.com/

Self-service, live coaching, & post call insights. Generative AI-driven contact center intelligence allows teams to make every customer conversation count.

28.
Center your workflow through Conversational AI
https://sleekflo
.io/

Create AI-personalized workflows across all messaging channels. Discover how SleekFlow's Conversational AI revolutionizes and automates customer interactions.

29.
Tethr | The fastest path to contact center improvement.
https://teth
.com/

Tethr is a research-backed conversation analytics platform that delivers automated insights from your customer conversations.

31.
Dialpad Ai Contact Center - Customer Service Software
https://www.dialpa
.com/ai-contact-center/

Dialpad Ai Contact Center is a robust, easily scalable customer service software with AI-enabled real-time assist, sentiment analysis, and more. Get a demo >>>

32.
EnableX.io | Omnichannel Customer Engagement Platform and APIs
https://www.enable
.io/

Build your very own omnichannel customer engagement platform with a no-code builder or customize it with Video, Voice, SMS, and chatbot APIs from EnableX.

33.
ServisBOT - AI Solutions for Businesses using LLMs
https://servisbo
.com/

Boost automation and engagement with the power of Generative AI and LLMs. AI Agents, Copilots and Advanced AI Assistants are designed for security and compliance, tailored to your business use cases.

34.
The AI-Powered Customer Service CRM Platform | Kustomer
http://www.kustome
.com/

With Kustomer, deliver faster, richer experiences to your customers with omnichannel messaging, a unified customer view, and AI-powered automations.

35.
Customer Engagement for Digital Channels | Verint
https://www.verin
.com/telephony-and-digital-channels/digital-channels/

Engage with your customers at scale on digital channels, including private messaging, communities, email, live chat, and voice self-service.

36.
Text-to-Speech AI: Lifelike Speech Synthesis | Google Cloud
https://cloud.googl
.com/text-to-speech/

Turn text into natural-sounding speech in 220+ voices across 40+ languages and variants with an API powered by Google’s machine learning technology.

37.
Dialogflow | Google Cloud
https://cloud.googl
.com/dialogflow/

Dialogflow is a comprehensive platform for developing chatbots, voice bots, and virtual agents using natural language understanding and Google AI.

38.
Comprehensive Omnichannel Contact Center Solution | Elisiontec
https://www.elisionte
.com/

Elevate customer engagement with our omnichannel contact center solution. From robust software to advanced features for exceptional customer experiences across 20+ industries.

40.
MessageMind - Your 24/7 AI-Powered Customer Service
https://messagemin
.ai/

Elevate your business customer service with MessageMind AI: seamless, multi-platform 24/7 support in over 80 languages.

41.
Conversation Intelligence Software for Contact Centers | Observe.AI
https://www.observ
.ai/

With Observe.AI, contact centers can act faster with real-time insights and guidance to improve performance, from more sales to higher retention

42.
AI Content Moderation for Trust and Safety | Spectrum Labs
https://www.spectrumlabsa
.com/

Spectrum Labs’ AI-based content moderation platform identifies toxic behaviors in text and voice content across languages, increasing detection by 10x.

43.
Digital Communication Solutions | Digital Conversation Platform
https://eltrop
.com/

INDUSTRY'S FIRST AI-Everywhere, Unified Conversations Platform for CFIs Learn More Home to collective conversations that matter to community financial ...

44.
Espressive | AI Automation To Reduce Costs
https://www.espressiv
.com/

Espressive's AI-driven automation elevates workplace support for enterprises, enhancing productivity & satisfaction from day 1.

46.
The Best Conversational AI Platform for Business | LivePerson
https://www.liveperso
.com/

LivePerson's Conversational AI platform helps brands embrace digital-first customer conversations for better scale, engagement, and results.

47.
DeepConverse - AI Chatbot for Customer Service Automation
https://www.deepconvers
.com/

Automate your customer service process with an advanced AI-driven platform from DeepConverse. Improve customer experience and growth with our AI solution.

48.
Speech Analytics Software for Contact Centers | Verint
https://www.verin
.com/speech-analytics/

Verint Speech Analytics helps you to transcribe & analyze millions of calls, discover customer insights & improve contact center performance

49.
Best Experience Platform | CX, BX, EX | Omind
https://www.omin
.ai/

Discover Omind.ai's Experience Platform Management Software. Elevate customer satisfaction and fuel business growth with seamless experiences and lasting connections.

50.
Transform CX with Quiq: Conversational AI Platform
https://qui
.com/

Check out Quiq's AI-powered conversational CX and business messaging platform. Schedule a live demo or contact us today.

51.
52.
Lifelike Text to Speech (TTS) - ReadSpeaker
https://www.readspeake
.com/

ReadSpeaker provides lifelike online and offline text-to-speech solutions to make your products and services more engaging. Discover how TTS can benefit you

53.
Meeami Technologies: Elevate Your Audio Experience: Meeami Audio AI SDK for Enhanced Voice and Speech Technology
https://www.meeamitec
.com/

Meeami Technologies is a leader in Audio AI, Noise Cancellation, Speech Enhancement, Speaker ID, and other Audio Analytics technologies.HD Conferencing and Sales Dialers · Meeting Room Devices · Automotive · Consumer Electronics · Smart Home Appliances · Smart Speakers · Call centers.

54.
Aktana: Pharma/Life Sciences AI & Mobile Intelligence
https://tac
.ai/

Learn how Aktana's AI and mobile intelligence help pharma & life sciences companies unlock intelligent omnichannel orchestration & personalization at scale.

55.
Conversation Analytics Software for Sales & Marketing | CallTrackingMetrics
https://www.calltrackingmetric
.com/

CallTrackingMetrics lets you track and attribute online and offline leads and get the comprehensive data you need to make confident marketing decisions.

56.
BeyondWords | Frictionless Text-to-Speech Publishing
https://beyondword
.io/

With BeyondWords, you and your team can convert text into engaging audio. Enhance your publishing workflow with our all-in-one audio CMS and AI voices.

57.
AI Speech Technology | Speech-To-Text API | Speechmatics
https://www.speechmatic
.com/

Speechmatics offer the most accurate AI speech technology - with AI transcription & real-time translation components. Try our Speech API today!

58.
Call Center Compliance, Conversation Intelligence, Call Sentiment Analysis | Gryphon.ai
https://grypho
.ai/

The only AI platform that delivers enterprise solutions for call center compliance, real-time conversation intelligence, and call sentiment analysis into every conversation.

59.
AI customer conversation analytics | Warwick Analytics
https://www.warwickanalytic
.com/

AI for contact centers and CX. Turn customer feedback into insight. Machine Learning, Sentiment Analysis, Self Adapting Analytics and Automation. Free Trial.

61.
WellSaid Labs - #1 Enterprise-Level AI Voice Generator
https://wellsaidlab
.com/

Create professional voice overs with the leading enterprise-grade AI Voice Generator. Produce with the highest quality voice with WellSaid Studio and API.

62.
Modern Business Communication Solutions | net2phone
https://www.net2phon
.com/

Business communication solutions from net2phone streamline workflows, effortlessly collaborate, and build customer relationships that last.

63.
Customer Care Software - Frontline Care
https://www.qualtric
.com/frontline/care/

Turn your contact center into a customer experience powerhouse and hub of ai-driven business insights with powerful customer care software.

64.
Gamified Simulation Training | Attensi
http://attens
.com/

Empower your people to learn new skills, consistently, at scale with gamified simulation training. See how gamified training can help your organization.

65.
Replicant: Automate Your Contact Center & Customer Service
https://www.replican
.ai/

A Contact Center Automation platform to resolve customer service conversations across voice, text and chat.

66.
Linguatec - Text-to-Speech und Spracherkennung von Experten
https://www.linguate
.de/

Linguatec Sprachtechnologien ist der Experte für Text-to-Speech (TTS), Spracherkennung und Übersetzung. Testen Sie online die neuen per KI optimierten Voice Reader Stimmen.

67.
IVR (Interactive Voice Response) System Solution | Knowlarity
https://www.knowlarit
.com/voice/ivr-solutions/

Knowlarity provides the best cloud IVR(Interactive Voice Response) System or solution for your business which is an automated call management solution. Use our top hosted IVR service to respond to all the customer queries professionally with personalized greetings.

68.
Text to Speech & AI Voice Generator | ElevenLabs
https://elevenlab
.io/

Create premium AI voices for free in any style and language with the most powerful online AI text to speech (TTS) software ever. Generate text-to-speech voiceovers in minutes with our character AI voice generator.

69.
AssemblyAI | AI models to transcribe and understand speech
https://www.assemblya
.com/

With AssemblyAI's industry-leading Speech AI models, transcribe speech to text and extract insights from your voice data.

70.
DataEQ | Actionable data powered by AI and human intelligence
https://datae
.com/

DataEQ structures & analyses online customer conversations using human & AI to optimise customer service, CX, manage risk & improve regulatory reporting.

71.
Octocom: The AI-first customer support solution for e-commerce
https://www.octoco
.ai/

Octocom is the complete AI-first customer service solution for e-commerce, giving exceptional pre-sale and post-sale experiences with omnichannel AI agents.

72.
Yseop | Offering Natural Language Generation (NLG) services
https://yseo
.com/

Yseop's offers an AI-powered digital colleague that automates report generation with NLG for highly regulated businesses.

73.
Knowlarity - Virtual Number, IVR, Toll-Free Number, Cloud Telephony
https://www.knowlarit
.com/

Knowlarity is a leading cloud business communication solution provider with cloud telephony - virtual number, ivr, toll-free number, call center software, AI products (speech, chatbot and voicebots), video & messaging solutions.

74.
Text Automation for Increased Efficiency in Content Production
https://www.textengin
.io/en/

Retresco offers you multilingual text automation & AI services at the highest level. Discover our extensively tested AI solutions for your business.

75.
Support Solutions for Better Business Communications - LiveHelpNow
http://www.livehelpno
.net/

LiveHelpNow offers comprehensive support solutions that will make your employees' lives easier and your customers’ experience with your brand better.

78.
Enterprise Chatbots | AI Chatbot | Jetlink
https://www.jetlin
.io/

Enterprsie Chatbot platform. Most powerful NLP. Voicebot. Omnichannel Chatbot. Jetlink is the new front line of your customer service, empowering businesses to provide personalized experiences at scale - Jetlink's low-code / no-code powerful AI chatbot raises CSAT, reduces churn, and drives revenue

79.
Text To Speech AI Tool - Text to Voice Software - Amazon Polly - AWS
https://aws.amazo
.com/polly/

Amazon Polly turns text into lifelike speech, allowing you to create applications that talk and build entirely new categories of speech-activated applications.

80.
Ender Turing | Powerful AI-based Solution for Call Center
https://enderturin
.com/

Ender Turing assists you in identifying business trends, offering the opportunity to make informed decisions aligned with your strategic objectives.

81.
Best Omnichannel Call Center Software | Bright Pattern
http://www.brightpatter
.com/

Effortless Omnichannel Communications Across Voice, IVR, Email, Chat, SMS, MMS, Messengers with Omnichannel Quality Management and a Powerful Mobile App

82.
AI Voices - NaturalReader Home
https://www.naturalreader
.com/

NaturalReader: Free Text to Speech for Online, Mobile App, Commercial license and Education with AI voices.

83.
Contact Center AI | Google Cloud
https://cloud.googl
.com/solutions/contact-center/

Automate your call center and provide more personalized, intuitive, and AI-driven customer service interactions.

84.
Customer Service Suite: AI Powered Support and Chat Software - Freshworks
https://www.freshwork
.com/customer-service-suite/

Freshworks Customer Service Suite is an easy-to-use omnichannel support software, combining AI-powered chatbots and ticketing for increased productivity.

85.
AI-Led CX Transformation Platform Provider | Cyara
https://platform.spearlin
.com/

Elevate your customer experience strategy with our AI-led CX transformation platform. Explore the future of customer experience innovation.

86.
Virtual and Cloud-Based Call Center Dialer Software | Inbound and Outbound Call Center Solution India
https://www.intal
.io/

Intalk.io is Cloud Call Center Dialer software and best IVR service provider in India. Virtual Call Center Management Software with online ticketing system, Salesforce CTI Integration, ZOHO Telephony API and Freshdesk Phone Integration.

87.
Recruitment Platform | Automated Recruiting Software Talkpush
https://www.talkpus
.com/

Talkpush offers Automated Recruiting Software for big companies to design a better experience for each candidate.

88.
Home | EasyAsk
https://www.easyas
.com/

EasyAsk eCommerce Site Search integrates with any existing eCommerce platform (including homegrown) to increase conversion and boost revenue by 20-90%

89.
Omniscien Technologies: Secure Artificial Intelligence & NLP
https://omniscie
.com/

Omniscien products augment human Intelligence with state-of-the-art machine translation and artificial intelligence technologies.

90.
AI-powered Omnichannel CX and Support Platform | Simplify360
https://simplify36
.com/

Simplify360 is the only platform you need to deliver amazing CX, manage online reputation, automate support and take control of your social media.

91.
LeaseHawk | Close Leases Faster - Software For Multifamily
https://www.leasehaw
.com/

LeaseHawk provides multifamily software and services to make data-driven decisions to maximize your ROI and increase your property's leasing success.

92.
IBM Watson Text to Speech
https://www.ib
.com/products/text-to-speech/

Watson Speech to Text is an API that transcribes speech to text in a variety of languages. It’s available as SaaS or for self-hosting.

93.
AI Voice Generator: Realistic Text to Speech & Voice Cloning
https://www.lov
.ai/

Award-winning AI Voice Generator and text to speech software with 500+ voices in 100 languages. Realistic AI Voices with Online Video Editor. Clone your own voice.

94.
Tars - Shaping the future of customer experience and employee productivity with Conversational AI
https://hellotar
.com/

We bridge the gap between complex technical processes and intuitive conversations. Our Conversational AI transforms frustrating IVR loops and cumbersome workflows into simplified dialogues.

95.
Text To Speech Software, Transforming Text to Voice Instantly - Speechelo
https://speechel
.com/

Experience the future of communication with Speechelo - our advanced text to speech software. Transform any text to voice instantly, delivering clear, human-like audio. Ideal for various applications, Speechelo brings your text to life!

96.
AI Voice Generator: Versatile Text to Speech Software | Murf AI
https://mur
.ai/

AI Voice Generator in 20+ languages. 120+ realistic text to speech voices to create the perfect AI voiceover. Go instantly from text to voice with ease.

97.
Customer service outsourcing company | HelpSquad BPO
https://helpsqua
.com/

HelpSquad BPO - your best customer service outsourcing company providing 24/7 support by trained, multilingual agents ready to enhance consumer trust and increase your business value.

98.
Home - Gotalk.ai
https://gotal
.ai/

Discover Gotalk.ai, the ultimate AI voice generator for creating lifelike voiceovers. Perfect for videos, podcasts, e-learning, and phone systems with over 120 voices in 50 languages. Enhance your content with studio-quality AI voices effortlessly. Visit us now!

99.
Omnichat: Asia's Premier Omnichannel Chat Commerce Platform
https://www.omnicha
.ai/

Integrate WhatsApp, FB, IG, LINE, WeChat and Website Live Chat to meet customer service, marketing and sales needs in one stop. Trusted by over 5,000 brands worldwide, Omnichat offers advanced conversational commerce solutions with enhanced efficiency, user behaviour analysis and remarketing strategy development, thus creating 5x conversion rate.