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Ratings and Reviews 54 Ratings

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What is StackAI?

StackAI is an enterprise AI automation platform built to help organizations create end-to-end internal tools and processes with AI agents. Unlike point solutions or one-off chatbots, StackAI provides a single platform where enterprises can design, deploy, and govern AI workflows in a secure, compliant, and fully controlled environment. Using its visual workflow builder, teams can map entire processes — from data intake and enrichment to decision-making, reporting, and audit trails. Enterprise knowledge bases such as SharePoint, Confluence, Notion, Google Drive, and internal databases can be connected directly, with features for version control, citations, and permissioning to keep information reliable and protected. AI agents can be deployed in multiple ways: as a chat assistant embedded in daily workflows, an advanced form for structured document-heavy tasks, or an API endpoint connected into existing tools. StackAI integrates natively with Slack, Teams, Salesforce, HubSpot, ServiceNow, Airtable, and more. Security and compliance are embedded at every layer. The platform supports SSO (Okta, Azure AD, Google), role-based access control, audit logs, data residency, and PII masking. Enterprises can monitor usage, apply cost controls, and test workflows with guardrails and evaluations before production. StackAI also offers flexible model routing, enabling teams to choose between OpenAI, Anthropic, Google, or local LLMs, with advanced settings to fine-tune parameters and ensure consistent, accurate outputs. A growing template library speeds deployment with pre-built solutions for Contract Analysis, Support Desk Automation, RFP Response, Investment Memo Generation, and InfoSec Questionnaires. By replacing fragmented processes with secure, AI-driven workflows, StackAI helps enterprises cut manual work, accelerate decision-making, and empower non-technical teams to build automation that scales across the organization.

What is Nimbus?

Nimbus offers an AI-powered workforce that efficiently manages voice calls, SMS, emails, and chat communications, guaranteeing that customers receive support 24/7. This cutting-edge solution automates numerous tasks such as lead qualification, appointment setting, client onboarding, and assistance services, which leads to improved conversion rates and outreach while also reducing operational costs. Users can effortlessly create and train agents without any programming knowledge, upload their own knowledge bases including PDFs, Word documents, and web content, and set guidelines that ensure responses are accurate and consistent with their brand identity. Moreover, it features A/B testing and behavior previews before launch, facilitating optimal functionality. The agents are built to engage in multi-channel conversations while maintaining complete contextual awareness and can smoothly transition discussions to human agents when necessary. They support communication in over 40 languages and can integrate effortlessly with well-known CRM systems such as Salesforce and HubSpot. In addition, a live dashboard allows users to track essential metrics like engagement rates, task completions, and performance trends, and the system is designed for rapid deployment, enabling businesses to be operational in just days rather than weeks. With its extensive array of features, Nimbus not only enhances customer interactions but also effectively streamlines organizational processes, positioning companies for greater success in their market endeavors. This makes it an invaluable tool for any business looking to optimize both customer service and operational efficiency.

Media

Media

Integrations Supported

HubSpot CRM
Salesforce
Cerebras
Claude Fable 5
Claude Fable 5.1
Claude Fable 5.5
Claude Opus 3
Claude Opus 4
Claude Sonnet 3.5
Claude Sonnet 4.6
Grok
Groq
Hugging Face
Microsoft SharePoint
Mistral AI
MySQL
Oracle Database
Pinecone
Shopify
Veeva Vault

Integrations Supported

HubSpot CRM
Salesforce

API Availability

Has API

API Availability

Pricing Information

$0
StackAI offers a Free plan with 500 runs per month, 2 projects, and 1 seat to help teams get started quickly. For organizations that need to scale, the Enterprise plan provides unlimited usage, additional seats, advanced features, and enterprise-grade security. Enterprise pricing is customized to match each company’s needs.
Free Trial Offered?

Pricing Information

Pricing not provided

Supported Platforms

SaaS
On-Prem

Supported Platforms

SaaS

Customer Service / Support

24 Hour Support
Web-Based Support

Customer Service / Support

24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training

Training Options

Documentation Hub
Online Training

Company Facts

Organization Name

StackAI

Date Founded

2023

Company Location

United States

Company Website

www.stackai.com

Company Facts

Organization Name

Nimbus

Date Founded

2025

Company Location

United States

Company Website

nmbs.ai/

Categories and Features

Agentic AI

Not specified

Agentic Orchestration

Not specified

AI Agent Builders

Not specified

AI Agents

Not specified

AI Automation

Not specified

AI Development

Not specified

AI Fine-Tuning

Not specified

AI Sales Agents

Not specified

AI Tools

Not specified

Artificial Intelligence

Chatbot
For Healthcare
For Sales
For eCommerce
Image Recognition
Machine Learning
Multi-Language
Natural Language Processing
Process/Workflow Automation
Rules-Based Automation
Virtual Personal Assistant (VPA)

Chatbot

Not specified

Healthcare AI

Not specified

No-Code Development

AI-Assisted Development
Business Process Automation
Collaborative Development
Data Aggregation and Publishing
Deployment Management
Drag & Drop
Performance Monitoring
Templates
Visual Modeling
Workflow Management

Task Automation

Not specified

Categories and Features

Agentic AI

Not specified

AI Agent Builders

Not specified

AI Agents

Not specified

AI Receptionists

Not specified

AI Voice Agents

Not specified

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