SoftwareVital
Stack AI logo

Alternatives · 2026

Best Stack AI Alternatives in 2026

24 alternatives · 16 with a free plan · Updated

What are the best Stack AI alternatives?

The best Stack AI alternatives for AI Agent in 2026 are VectorShift (no-code platform for building generative AI apps and automating…, free), FlowHunt (no-code AI workflow automation platform for building AI chatbots…, enterprise) and Anakin.ai (no-code AI app builder for creating chatbots, free). 16 of the 24 listed alternatives have a free or freemium plan.

Looking for something other than Stack AI? Below are 24 alternatives in AI Agent, AI App Builder and AI Chatbot, all closely matched, ranked by how much they overlap with Stack AI. Stack AI itself is enterprise (custom pricing). Each entry shows what the tool does, what it shares with Stack AI, its key features and pricing.

What is Stack AI?

Most no-code AI builders target general chatbots, but Stack AI is an AI agent platform pitched at enterprise back-office work. Stack AI lets you build and deploy AI applications through a drag-and-drop interface, then use them to automate internal workflows.

Pricing
Enterprise

Key features of Stack AI

  • StackAI is a versatile and powerful interface to deploy AI Agents for Enterprise AI
  • Build AI Applications effortlessly with our drag-and-drop no-code platform

Stack AI alternatives compared

Top 5 alternatives to Stack AI with pricing and overlap
ToolPricingShared with Stack AIMatch
Stack AIEnterprise—Original
VectorShiftFreeAI Agent, AI App Builder, AI Chatbot, AI Workflow, Large Language Models (LLMs), No-Code&Low-CodeStrong match
FlowHuntEnterpriseAI Agent, AI App Builder, AI Chatbot, AI Workflow, No-Code&Low-CodeStrong match
Anakin.aiFreeAI Agent, AI App Builder, AI Chatbot, AI Workflow, No-Code&Low-CodeStrong match
DGiFreeAI Agent, AI App Builder, AI Chatbot, AI Workflow, Large Language Models (LLMs)Strong match
DiaflowFreemiumAI Agent, AI App Builder, AI Chatbot, AI Workflow, No-Code&Low-CodeStrong match

Top 24 alternatives to Stack AI

  1. #1
    VectorShift logo

    VectorShift

    Strong matchFree

    No-code platform for building generative AI apps and automating workflows across tools like Notion, Airtable, and Salesforce.

    In common with Stack AI: AI Agent, AI App Builder, AI Chatbot, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code

    Pricing: free, a cheaper way in than Stack AI (enterprise (custom pricing))

  2. #2
    FlowHunt logo

    FlowHunt

    Strong matchEnterprise

    FlowHunt is a no-code AI workflow automation platform for building AI chatbots and custom AI tools without writing code.

    In common with Stack AI: AI Agent, AI App Builder, AI Chatbot, AI Workflow, No-Code&Low-Code

    Pricing: enterprise (custom pricing), same as Stack AI

  3. #3
    Anakin.ai logo

    Anakin.ai

    Strong matchFree

    Anakin.ai is a no-code AI app builder for creating chatbots, automated workflows, and AI agents, with image, video, and text generation.

    In common with Stack AI: AI Agent, AI App Builder, AI Chatbot, AI Workflow, No-Code&Low-Code

    • It also enables the creation of automated workflows

    Pricing: free, a cheaper way in than Stack AI (enterprise (custom pricing))

  4. #4
    D

    DGi

    Strong matchFree

    DGi is an experimental AI data agent that builds workflows, code, and BI dashboards through a visual interface instead of chat alone.

    In common with Stack AI: AI Agent, AI App Builder, AI Chatbot, AI Workflow, Large Language Models (LLMs)

    • It's the world's first data platform that both builds and is built by AI
    • It is the first data system with no backend or frontend

    Pricing: free, a cheaper way in than Stack AI (enterprise (custom pricing))

  5. #5
    Diaflow logo

    Diaflow

    Strong matchFreemium

    Diaflow is a no-code platform for building AI agents, internal apps, and automated workflows, with a free Basic plan and paid tiers from $49 a month.

    In common with Stack AI: AI Agent, AI App Builder, AI Chatbot, AI Workflow, No-Code&Low-Code

    Pricing: freemium (free plan + paid upgrades), a cheaper way in than Stack AI (enterprise (custom pricing))

  6. #6
    MindPal logo

    MindPal

    Strong matchFree

    MindPal is a no-code platform for building AI agents and multi-agent workflows that automate everyday business tasks.

    In common with Stack AI: AI Agent, AI Chatbot, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code

    • It offers tools to create internal productivity tools

    Pricing: free, a cheaper way in than Stack AI (enterprise (custom pricing))

  7. #7
    Myple logo

    Myple

    Strong matchFree

    Myple is a platform for building, deploying, and managing AI applications with managed AI agents, RAG models, and project templates.

    In common with Stack AI: AI Agent, AI App Builder, AI Chatbot, AI Workflow, Large Language Models (LLMs)

    • Simple integration with existing tools and services
    • Support for multiple languages and frameworks
    • Templates to accelerate AI project development

    Pricing: free, a cheaper way in than Stack AI (enterprise (custom pricing))

  8. #8
    Runbear logo

    Runbear

    Strong matchFree

    Runbear is a no-code AI agent builder that connects LLM apps like GPTs and LangChain to Slack, Teams, Discord, and email.

    In common with Stack AI: AI Agent, AI Chatbot, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code

    • Discord
    • Zendesk
    • It supports numerous LLM app builders and frameworks

    Pricing: free, a cheaper way in than Stack AI (enterprise (custom pricing))

  9. #9
    Scottie logo

    Scottie

    Strong matchFree

    Scottie is a no-code AI agent builder for creating customer-facing chatbots and assistants, with an option to export the code.

    In common with Stack AI: AI Agent, AI App Builder, AI Chatbot, AI Workflow, No-Code&Low-Code

    • No-code AI agent building
    • Wide range of integrations
    • Ability to export code

    Pricing: free, a cheaper way in than Stack AI (enterprise (custom pricing))

  10. #10
    Credal logo

    Credal

    Strong matchEnterprise

    Credal is an enterprise AI agent platform and AI search tool that keeps company data secure, with audit logs and PII redaction.

    In common with Stack AI: AI Agent, AI Chatbot, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code

    Pricing: enterprise (custom pricing), same as Stack AI

  11. #11
    Momen logo

    Momen

    Strong matchFree

    No-code AI app builder for creating AI apps and agents visually, with built-in tools to add monetization and user login.

    In common with Stack AI: AI Agent, AI App Builder, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code

    • No-code development reduces the need for extensive programming knowledge
    • Visual interface simplifies the creation of complex AI workflows
    • Built-in monetization features streamline app revenue generation

    Pricing: free, a cheaper way in than Stack AI (enterprise (custom pricing))

  12. #12
    EzInsights AI logo

    EzInsights AI

    Strong matchFree

    No-code business analytics tool that lets non-programmers type questions in plain language and get AI-generated insights from business data.

    In common with Stack AI: AI Agent, AI Chatbot, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code

    • No-code AI framework for business analytics and insights using NLP and GenAI

    Pricing: free, a cheaper way in than Stack AI (enterprise (custom pricing))

  13. #13
    Allganize logo

    Allganize

    Strong matchEnterprise

    Allganize is an enterprise LLM platform for building custom AI chatbots and apps on your own data, in the cloud or on-premise.

    In common with Stack AI: AI Agent, AI App Builder, AI Chatbot, Large Language Models (LLMs), No-Code&Low-Code

    • Comprehensive suite of LLM solutions
    • On-premise and cloud deployment options
    • No-code app builder

    Pricing: enterprise (custom pricing), same as Stack AI

  14. #14
    AgentRunner logo

    AgentRunner

    Strong matchFree

    AgentRunner is a cloud-based AI workflow builder for chaining prompts, versioning them, and deploying them through an API.

    In common with Stack AI: AI Agent, AI App Builder, AI Chatbot, AI Workflow, No-Code&Low-Code

    • Simplifies AI app development with visual tools
    • Offers prompt chaining and versioning
    • Supports easy integration with various AI models

    Pricing: free, a cheaper way in than Stack AI (enterprise (custom pricing))

  15. #15
    Vapi logo

    Vapi

    Strong matchEnterprise

    Vapi is a developer platform for building, testing, and deploying voice AI agents, with a configurable API and 40+ app integrations.

    In common with Stack AI: AI Agent, AI Chatbot, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code

    • Developer-friendly API
    • Configurable and scalable
    • Integrates with 40+ apps

    Pricing: enterprise (custom pricing), same as Stack AI

  16. #16
    Activepieces logo

    Activepieces

    Strong matchEnterprise

    Activepieces is an open-source no-code workflow automation tool that connects apps and runs AI steps for team business processes.

    In common with Stack AI: AI Agent, AI Chatbot, AI Workflow, No-Code&Low-Code

    • AI-first automation platform

    Pricing: enterprise (custom pricing), same as Stack AI

  17. #17
    Tars logo

    Tars

    Strong matchFree

    Tars is a no-code AI agent builder for automating workflows and customer engagement, with a free plan to start.

    In common with Stack AI: AI Agent, AI Chatbot, AI Workflow, No-Code&Low-Code

    • No-code AI agent builder for automating workflows and improving customer engagement

    Pricing: free, a cheaper way in than Stack AI (enterprise (custom pricing))

  18. #18
    Zapier logo

    Zapier

    Strong matchEnterprise

    No-code automation software that connects over 8,000 apps to build workflows and AI agents without writing code.

    In common with Stack AI: AI Agent, AI Chatbot, AI Workflow, No-Code&Low-Code

    • Connects a vast number of apps
    • Enables no-code automation
    • Offers AI-powered automation features

    Pricing: enterprise (custom pricing), same as Stack AI

  19. #19
    B

    BotStacks

    Strong matchFree

    BotStacks is a no-code AI chatbot builder that lets you design, connect and deploy AI assistants with a drag-and-drop interface.

    In common with Stack AI: AI Agent, AI Chatbot, AI Workflow, No-Code&Low-Code

    • It connects bot sequences and allows users to utilize multiple AI models

    Pricing: free, a cheaper way in than Stack AI (enterprise (custom pricing))

  20. #20
    Dify.AI logo

    Dify.AI

    Strong matchFreemium

    Open-source LLMOps platform for building, running and monitoring generative AI apps, with LLM workflows, knowledge documents and an API.

    In common with Stack AI: AI Agent, AI App Builder, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code

    • Open-source LLMOps platform for building and operating generative AI applications

    Pricing: freemium (free plan + paid upgrades), a cheaper way in than Stack AI (enterprise (custom pricing))

  21. #21
    Z

    ZBrain

    Strong matchEnterprise

    ZBrain is an enterprise AI platform for building custom AI applications and agents that work with private company data.

    In common with Stack AI: AI Agent, AI App Builder, AI Workflow, Large Language Models (LLMs)

    • One-stop solution for AI adoption from assessment to implementation
    • Accelerated AI adoption with faster implementation of AI solutions
    • Broad adaptability with data sourcing from multiple sources and integration with…

    Pricing: enterprise (custom pricing), same as Stack AI

  22. #22
    Rebolt logo

    Rebolt

    Strong matchEnterprise

    No-code platform for building AI apps and agents from plain-language prompts, with integrations for business tools and optional self-hosting.

    In common with Stack AI: AI Agent, AI App Builder, AI Workflow, No-Code&Low-Code

    • Empowers non-technical users to build AI applications and agents using natural language
    • Offers extensive integrations with a wide range of popular business tools and data sources
    • Supports self-hosting for enhanced data control and infrastructure management

    Pricing: enterprise (custom pricing), same as Stack AI

  23. #23
    WotNot logo

    WotNot

    Strong matchFree

    WotNot is a no-code AI agent platform that lets teams build chatbots for customer support, lead qualification, and workflow automation.

    In common with Stack AI: AI Agent, AI Chatbot, AI Workflow, No-Code&Low-Code

    Pricing: free, a cheaper way in than Stack AI (enterprise (custom pricing))

  24. #24
    Lazy AI logo

    Lazy AI

    Strong matchFree

    No-code app builder that turns prompts and pre-configured workflows into full-stack apps you can test and deploy.

    In common with Stack AI: AI Agent, AI App Builder, AI Workflow, No-Code&Low-Code

    • No-code platform to build full-stack apps with prompts and pre-configured workflows

    Pricing: free, a cheaper way in than Stack AI (enterprise (custom pricing))

How we picked these Stack AI alternatives

We rank tools by how closely they match Stack AI: tools that share more of its categories rank first, then tools whose main category, tags and description overlap with it, then community votes and views. Pricing type and features come from each product's SoftwareVital listing. Admins can pin or remove tools from this list.

Frequently asked questions

What are the best alternatives to Stack AI in 2026?

The closest alternatives to Stack AI are VectorShift, FlowHunt, Anakin.ai, DGi and Diaflow. They are ranked by how many categories and tags they share with Stack AI and how similar their descriptions are, then by community votes and views on SoftwareVital.

What is the closest alternative to Stack AI?

VectorShift is the closest match because it shares AI Agent, AI App Builder and AI Chatbot with Stack AI. It is free.

Are there free alternatives to Stack AI?

Yes. 16 of the 24 alternatives have a free or freemium plan, including VectorShift (free), Anakin.ai (free), DGi (free), Diaflow (freemium) and MindPal (free). Stack AI is enterprise (custom pricing).

Which Stack AI alternatives are paid or enterprise tools?

FlowHunt (enterprise), Credal (enterprise), Allganize (enterprise), Vapi (enterprise) and Activepieces (enterprise) use paid or enterprise pricing, which usually means more support and admin options for teams.

How does Stack AI compare to VectorShift?

VectorShift overlaps with Stack AI in AI Agent, AI App Builder and AI Chatbot. Pricing: free, a cheaper way in than Stack AI (enterprise (custom pricing)). Open the side-by-side compare page for a full breakdown.

What category is Stack AI in?

Stack AI is listed under AI Agent on SoftwareVital. Browse that category to see more tools in the same group.