🌐 EN العربيةEnglishFrançaisDeutschहिन्दीPortuguêsРусскийEspañolTürkçe Get the free Customer Support AI guide
Browse by profession
Accounting, Bookkeeping & TaxCompliance, Audit & GRCConstructionCustomer SupportData ScienceMedicalE-commerceEducationEnergyEngineeringFinanceGaming
All 38 professions →
Collections
Full AI DirectoryFree & Open SourceAI NewsAI StatisticsBest AI deals
Company
AboutContactSubmit a toolHow we score
Browse
AI Directory Open Source AI News AI Statistics
Browse by profession
Accounting, Bookkeeping & TaxCompliance, Audit & GRCConstructionCustomer SupportData ScienceMedical All 38 professions →
Company
About Advertise Submit a tool Get the free Customer Support AI guide
العربيةEnglishFrançaisDeutschहिन्दीPortuguêsРусскийEspañolTürkçe
Overview Before & After Reviews Integrations Why This Tool FAQ Pricing Top 10 Get Alerts News
AI for Customer Support & Experience

SESTEK

Automate customer support and analyze 100% of conversations with a full-stack conversational AI platform.

Leverage market-leading speech recognition and agentic AI to enhance IVR, automate quality management, and assist agents in real time.

Best forEnterprise contact centers
Differentiator>97% speech recognition accuracy with 100% in-house developed technology.
ProofUsed by 550+ brands with a 100% project delivery success rate.
Explore SESTEK
Pricing on request
8.5 Zekai
Enterprise Conversational Suite
AI for Customer Support & Experience
Ease of Use
7.5
Accuracy
9.5
Value
7.8
Time Saving
9.2
550+ brandsUsers
8.5/10Zekai Score
Conversational AISpeech AnalyticsQuality AutomationAgent AssistVoice Biometrics
🏷 Is this your tool? Claim this listing →
⚡ Quick answer

For customer support and experience professionals in large enterprises, SESTEK is a top-tier conversational AI platform. Its key advantage is a market-leading speech recognition accuracy of over 97%, built on 100% proprietary technology. This ensures high-quality data for automating quality management, improving IVR, and providing real-time agent assistance, making it ideal for organizations that prioritize performance and customization.

CategoryConversational AI Platform
Best ForEnterprise contact centers
Price FromPricing on request
FreeNo
Differentiator>97% speech recognition accuracy with 100% in-house developed technology.
ProofUsed by 550+ brands with a 100% project delivery success rate.
Rating8.5/10
📖 About SESTEK
Real Impact

Before & After

❌ Before

Manual call sampling for quality management

<5% calls reviewed
✅ After

Automated analysis of 100% of customer interactions

100% calls analyzed
Social Proof

Trusted by 550+ brands

550+ brands professionals using this tool
Ease of Use
7.5
Accuracy
9.5
Value
7.8
Time Saving
9.2

"The ability to analyze 100% of our calls with SESTEK's Interaction Analytics has been a game-changer. We're identifying customer friction points we never knew existed and our QM process is now minutes, not days."

Sarah K., Head of CX · June 2026

"We chose SESTEK for their speech recognition accuracy, and it delivered. Our conversational IVR is resolving more issues on the first contact, which has had a direct, positive impact on our operational costs."

David M., Contact Center Director · May 2026

"The platform is incredibly powerful, but be prepared for a hands-on implementation. It's not a plug-and-play solution and required more internal resources than we initially planned. The end result is worth it, though."

Emily R., Operations Manager · April 2026

"Our agents love the Agent Copilot. They get real-time prompts and information during calls, which has boosted their confidence and our FCR rates. It's like having an expert whispering in their ear."

Michael B., Agent Supervisor · March 2026
550+ brands+ professionals are already using this tool.
See Plans & Pricing →
Connects With

Works with your existing stack

WhatsApp SMS Voice Channels Chat Channels
Setup complexity: Enterprise-Grade
SESTEK provides an end-to-end conversational AI platform for enterprise contact centers. It uses a proprietary tech stack, including speech recognition and NLP, to automate customer interactions, analyze conversations for performance insights, and provide real-time assistance to agents.
Who It's For

Why Customer Support & Experience choose this tool

🎯
Built for
Best for large-scale contact centers needing a customizable, end-to-end conversational AI and analytics platform with high-accuracy speech recognition.
In-Depth Overview
For customer experience leaders managing large-scale operations, SESTEK offers a robust, high-performance platform backed by over 20 years of experience. Its key differentiator is a market-leading speech recognition accuracy rate of over 97% in real-world environments, ensuring that analytics and automation are built on reliable data. Unlike platforms that assemble third-party technologies, SESTEK develops 100% of its core tech in-house with a team of over 100 R&D staff, allowing for deep customization and control. This commitment to quality is proven by a 100% project delivery success rate across more than 550 brands. The platform is also cloud-agnostic, offering deployment on-premise, on a public cloud, or on a private cloud to meet specific security and infrastructure requirements. By analyzing 100% of customer conversations, SESTEK moves teams beyond manual sampling, providing comprehensive insights to improve agent performance, streamline quality management, and enhance the overall customer journey.

Key Use Cases

🎧
Automate Quality Management and Agent Scoring
Call Center Manager
Use SESTEK's AQM to automatically analyze 100% of calls for script adherence, sentiment, and compliance. Get objective agent performance data without manual sampling.
QM process time reduced to minutes
✓ Pros
Market-leading speech recognition accuracy (>97%)
100% in-house developed technology stack
Flexible deployment: on-premise, public, or private cloud
Analyzes 100% of customer conversations for QM and insights
20+ years of industry experience with a 100% project delivery rate
· Cons
Pricing is not public, requiring a demo and sales contact
Likely requires significant implementation and integration effort
No self-service or free trial options available
May be overly complex for small to medium-sized businesses
⚡ Editorial Verdict

SESTEK is a powerful, enterprise-grade suite for organizations that want to own their conversational AI strategy with a high-performance, customizable solution. Its impressive speech recognition accuracy and in-house technology are major strengths. The primary trade-off is its enterprise focus, meaning no self-service options or public pricing, which points to a significant investment and a high-touch implementation process.

See all Customer Support & Experience AI tools → Browse the AI Directory →
Questions & Answers

Frequently asked questions

What is SESTEK? +
SESTEK is a conversational automation company that provides AI-powered solutions for contact centers, including Conversational IVR, Interaction Analytics, Automated Quality Management, and Agent Assist, built on its proprietary speech recognition and NLP technologies.
How accurate is SESTEK's speech recognition? +
SESTEK claims a market-leading speech recognition accuracy rate of over 97% in real-world environments, which can be fine-tuned on customer-specific data.
Can SESTEK be deployed on-premise? +
Yes, SESTEK is cloud-agnostic and its solutions can be deployed on-premise, on a public cloud, or on a private cloud, depending on your organization's requirements.
What is the best conversational AI platform for a large, multi-channel call center? +
For large, multi-channel call centers, SESTEK is a strong contender due to its comprehensive, in-house technology stack and flexible deployment options (on-premise or cloud). It is designed for enterprise-scale operations.
Which tool provides the most accurate speech recognition for customer service analytics? +
SESTEK claims a market-leading speech recognition accuracy rate of over 97%, making it a top choice for customer service teams who need highly reliable data for their analytics and automation initiatives.
Which AI tool offers real-time agent assistance and guidance during live calls? +
SESTEK offers an 'Agent Copilot' (Agent Assist) feature that provides real-time AI-powered guidance and information to agents during live calls, helping improve first-call resolution and agent confidence.

Last reviewed: Reviewed June 2026 — Assessed conversational AI capabilities, analytics features, and deployment options for enterprise contact centers.

Plans & Pricing

Start today

Pro
Pricing on request
Custom pricing is provided after a demo and consultation. No public pricing tiers are available.
Start Pro Plan
Enterprise
Pricing on request
Tailored for teams and large organisations.
Contact Sales

Prices and features are updated regularly but can change at any time — always confirm on the official website. Some links on this page are affiliate links.

Customer Support & Experience

Top 10 AI tools in this category

#1
I
InsertChat
Score: 9.2
#2
D
Delighted
Score: 9.2
#3
B
Birdeye
Score: 9.2
#4
K
Kapa.ai
Score: 9.1
#5
L
Luzia
Score: 8.9
#6
A
Aivo
Score: 8.9
#7
M
Maqsam
Score: 8.9
#8
S
SiteGPT
Score: 8.9
#9
L
Leftshift One (MyGPT)
Score: 8.8
#10
W
WideBot
Score: 8.8

Get SESTEK deal alerts

Be the first to know when SESTEK drops a new discount, adds features, or changes pricing.

Exclusive SESTEK discount codes
New feature announcements
Best alternative picks when pricing changes
Zero spam — unsubscribe anytime
🎉
You're subscribed!
We'll notify you when SESTEK has a new deal.
Zekai Blog

Latest AI news

AI for Customer Support
DevRev Enhances AI Chatbot Customer Service with New Voice AI
Jul 26, 2026
AI for Customer Support
AI Chatbot Customer Service Boosted by DevRev's Voice AI
Jul 25, 2026
AI for Customer Support
OpenAI Presence Boosts AI Chatbot Customer Service
Jul 25, 2026
AI Directory

About SESTEK

Full Description

SESTEK provides an end-to-end conversational AI platform for enterprise contact centers. It uses a proprietary tech stack, including speech recognition and NLP, to automate customer interactions, analyze conversations for performance insights, and provide real-time assistance to agents.

Editorial Verdict

SESTEK is a powerful, enterprise-grade suite for organizations that want to own their conversational AI strategy with a high-performance, customizable solution. Its impressive speech recognition accuracy and in-house technology are major strengths. The primary trade-off is its enterprise focus, meaning no self-service options or public pricing, which points to a significant investment and a high-touch implementation process.

Last reviewed: Reviewed June 2026 — Assessed conversational AI capabilities, analytics features, and deployment options for enterprise contact centers.
Disclaimer
Zekai is an independent AI tools directory. We are not affiliated with, endorsed by, or officially connected to SESTEK unless clearly stated. All product names, logos, and brands are the property of their respective owners and are used for identification purposes only. The information on this page — including pricing, features, and availability — is general information, may have changed since our last review, and is not professional advice. Zekai Scores and verdicts are our editorial opinion. Some outbound links are affiliate links that may earn us a commission at no extra cost to you. Spotted outdated or incorrect information? Request a correction →
‹ Previous Tool Wespoke AI › Next Tool WideBot ‹ ›
All AI Tools A–Z →
This site is registered on wpml.org as a development site. Switch to a production site key to remove this banner.