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SESTEK — AI for Customer Support & Experience

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.

What is SESTEK?

SESTEK: Automate customer support and analyze 100% of conversations with a full-stack conversational AI platform. No free plan. Zekai scores it 8.7 out of 10 after independent testing. Best for enterprise contact centers.

Differentiator>98% speech recognition accuracy with 100% in-house developed technology.
ProofUsed by 700+ brands with a 100% project delivery success rate.
Explore SESTEK
Pricing on request
8.7 Zekai
Enterprise Conversational Suite
AI for Customer Support & Experience
Ease of Use
7.0
Accuracy
9.6
Value
8.6
Time Saving
9.2
700+ companiesUsers
8.7/10Zekai Score
Conversational AISpeech AnalyticsQuality AutomationAgent AssistVoice Biometrics
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Zekai Verdict

What is it?
SESTEK provides an end-to-end conversational AI platform for enterprise contact centers.
Best for
Best for large-scale contact centers needing a customizable, end-to-end conversational AI and analytics platform with…
Not ideal for
Pricing is not public, requiring a demo and sales contact
Price
Pricing on request
Zekai Score
8.7/10
Hand-scored by Zekai

Top AI for Customer Support & Experience picks

See all 150 AI tools for Customer Support →
⚡ 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 98%, 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
Free planNo
Differentiator>98% speech recognition accuracy with 100% in-house developed technology.
ProofUsed by 700+ brands with a 100% project delivery success rate.
Rating8.7/10
📖 About SESTEK
Real Impact

Before & After

❌ Before

Manual call sampling for quality management

✅ After

Automated analysis of 100% of customer interactions

Prompt Templates

Try it with these prompts

Copy any prompt and paste it directly into the tool.

Analyze customer service calls for sentiment

Analyze the provided customer service call transcript to identify overall customer sentiment, key emotional drivers, and areas of dissatisfaction. Summarize the findings and suggest improvements for agent training.

Improve contact center efficiency with AI insights

Use conversational AI to analyze contact center performance data. Identify bottlenecks in customer interactions and provide actionable insights to enhance agent efficiency and reduce call handling times.

Develop personalized virtual agent responses

Leverage natural language processing to create more personalized and effective responses for virtual agents. Analyze common customer queries and design dialogue flows that improve resolution rates.

AI Prompts

Prompts for Customer Support

Prompt 01 Acknowledge Receipt & Set Expectations
Draft a first-contact reply for a ticket about [[TICKET_TOPIC]]. 1. Acknowledge the user's specific issue: [[USER_ISSUE_SUMMARY]]. 2. Confirm receipt of their ticket and provide the ticket ID: [[TICKET_ID]]. 3.
Prompt 02 Request More Information (Politely)
The user's request about [[TICKET_TOPIC]] is missing key information. Draft a polite reply that: 1. Thanks them for their message. 2. Clearly states the specific information we need to proceed.
Prompt 03 Answer a
Generate a step-by-step guide answering the user's question: [[USER_QUESTION]]. The user is on the [[USER_PLAN_LEVEL]] plan. 1. Start with a direct confirmation: "Yes, you can do that. Here are the steps:" 2.
See all 37 AI prompts for Customer Support →
Social Proof

Trusted by 700+ companies

700+ companies professionals using this tool
Ease of Use
7.0
Accuracy
9.6
Value
8.6
Time Saving
9.2
700+ companies+ professionals are already using this tool.
See Plans & Pricing →
Connects With

SESTEK integrations

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.
Comparison

Best SESTEK alternatives

When comparing SESTEK to a broad-suite competitor like NICE, the choice depends on priorities. Choose SESTEK if your primary need is best-in-class speech recognition accuracy (>97%) and the flexibility of a fully in-house, customizable tech stack with on-premise deployment options. SESTEK is ideal for organizations wanting deep technological control. Opt for NICE if your organization is already heavily invested in the NICE ecosystem or requires an all-encompassing platform with the widest possible range of integrated CX tools from a single, established vendor, even if some individual components aren't as specialized.

The decision

Is SESTEK worth it?

Return on investment
By automating quality management processes that take hours manually down to minutes, SESTEK allows supervisors to focus on strategic coaching rather than repetitive call sampling.
Built for
Enterprise CX leaders, call center directors, and quality management supervisors.
Effort to adopt
Enterprise-Grade
Compliance
Compliance posture not publicly documented — verify with vendor.
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
This commitment to quality is proven by a 100% project delivery success rate across more than 700 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 (>98%)
100% in-house developed technology stack
Flexible deployment: on-premise, public, or private cloud
Analyzes 100% of customer conversations for QM and insights
· 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.

Questions & Answers

Frequently asked questions

What is SESTEK?

+
SESTEK is an Agentic CX suite that provides AI-powered solutions for customer service, including Agentic AI, Agent Copilot, and Conversational Intelligence, built on its proprietary technologies.

How accurate is SESTEK's speech recognition?

+
SESTEK claims a market-leading speech recognition accuracy rate of over 98% in real-world environments.

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 98%, 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:

Plans & Pricing

SESTEK pricing and plans

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.

See all 150 AI tools for Customer Support →
Free guide

Take it with you

Getting Started with SESTEK: A Guide to Contact Center Automation
  • Benchmark Your CX: Identify key workflows in your IVR and Quality Management process ripe for automation.
  • Harness Accurate Data: Understand how >97% speech recognition accuracy forms the foundation for meaningful analytics and reliable automation.
  • Explore Core Use Cases: Discover the impact of Conversational IVR, Agent Assist, and Interaction Analytics on your KPIs.
  • Choose Your Deployment: Evaluate the benefits of on-premise, private, or public cloud deployment for your security and infrastructure needs.
  • Unlock Full Visibility: Learn how to move from manual call sampling to analyzing 100% of customer conversations for deep insights.
+3 more steps inside the guide
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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:
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 →
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