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About

CoSupport AI resolves customer tickets on a patented multi-model architecture (USPTO US11823031B1) built to keep answers grounded in your own data. The AI understands customer intent, retrieves the answer from your knowledge base and business systems, executes the required steps, and escalates edge cases to your team with the full conversation history and a structured summary of its findings. Two products ship on that architecture. CoSupport AI Agent autonomously resolves repetitive customer inquiries across chat, email, and voice in 40+ languages. CoSupport AI Assistant drafts ready-to-send replies for human agents inside the helpdesk. Reasoning is multi-step: the model searches, validates across sources, and refines the response before sending. Every reply ships with a decision log. Pricing: from $0.04 per response, $0.19 per resolved ticket, or $99/month per 1,000 tickets. 60% AI resolution rate by day 60, or a full refund.

About

Letterbook is an AI-native customer support platform designed to help companies automate and manage customer service operations by resolving support tickets with minimal human intervention. It connects directly to key data sources such as inboxes, databases, and payment platforms like Stripe, allowing the AI to access real-time customer information, including orders, subscriptions, and account details. It enables teams to define structured “support scenarios” that guide how different types of requests, such as refunds, login issues, or bug reports, should be handled, ensuring that responses follow consistent internal policies. For each incoming ticket, the platform automatically generates a draft reply using both the defined scenarios and available data, which teams can review, edit, or approve, while continuous feedback improves the AI’s accuracy over time. Letterbook also supports automatic ticket triaging, knowledge base generation, and multi-channel support.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Designed for CX leaders, customer support managers, and fast-scaling teams in SaaS, E-commerce, BPO, and Finance industries. Ideal for companies handling high volumes of customer inquiries and aiming to reduce support costs, improve resolution speed, and deliver consistent, high-quality service at scale.

Audience

B2C companies and support teams that need an AI platform to automate ticket resolution and streamline customer service operations

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$99/month
Fixed monthly fee for unlimited AI responses based to your ticket volume
Free Version
Free Trial

Pricing

$30 per month
Free Version
Free Trial

Reviews/Ratings

Overall 5.0 / 5
ease 4.9 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Pros & Cons from Real Users

Pros

  • Clear communication The pricing model is transparent, offering great value for the price. AI solutions fitting our needs CoSupport AI is user-friendly, scoring a perfect 10/10 in usability. The tools integrate quickly and seamlessly into existing workflows, minimizing disruption.
  • Clear communication The pricing model is transparent, offering great value for the price. AI solutions fitting our needs CoSupport AI is user-friendly, scoring a perfect 10/10 in usability. The tools integrate quickly and seamlessly into existing workflows, minimizing disruption.
  • We reduced response time to 1 hour instead of 24 hours, which improved our clients’ experience significantly. When we evaluated the result of the trial period (2 weeks) we found out that the AI assistant provides accurate responses. Today, we can feel relaxed if the number of clients grows two times. We won’t need to invest in hiring new agents. Our AI assistant will handle as many queries as we need.
  • The solution we implemented, which is an AI assistant for customer service, was easy to implement within a predictable budget, and there were no issues with adoption from the support agents.
  • We’re partners with CoSupport AI, and we’ve got plenty of positive feedback from our clients regarding the reliability and performance of the solution provided by CoSupport AI. That’s the most solid ground for our assessment of CoSupport AI’s expertise. In collaboration with this team, we create AI assistants that are able to boost business operations and improve customer satisfaction. Due to the partnership with CoSupport AI, we broaden our perspectives in the market. Moreover, we use their solution, an AI copilot, for our own operations and customer service. This AI copilot (CoSupport Customer) allowed us to decrease response time by 32% during 3 first months of implementation.

Cons

  • There is nothing to be recalled at the moment.
  • We currently can’t think of any aspects that need improvement at this time
  • Great tool for automation, capable and cost-efficient.
  • The solution and the collaboration in general met our expectations completely.
  • I really don’t see cons, according to my experience.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

CoSupport AI
Founded: 2020
United States
cosupport.ai

Company Information

Letterbook
United States
www.letterbook.ai/

Alternatives

Alternatives

Categories

Categories

Integrations

Freshdesk
Gorgias
Intercom
Microsoft Teams
MongoDB
Salesforce
Slack
Stripe
Supabase
Zendesk
Zoho Desk
Zoho SalesIQ

Integrations

Freshdesk
Gorgias
Intercom
Microsoft Teams
MongoDB
Salesforce
Slack
Stripe
Supabase
Zendesk
Zoho Desk
Zoho SalesIQ
Claim CoSupport AI and update features and information
Claim CoSupport AI and update features and information
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Claim Letterbook and update features and information