LLMStack

No-code builder for generative AI apps and agents

Beginner
Screenshot of LLMStack, No-code builder for generative AI apps and agents

What is LLMStack?

LLMStack is an AI project builder tool. A no-code environment for chaining models from OpenAI, Cohere, Stability AI and Hugging Face with imported data sources, then publishing chatbots and agents with granular sharing permissions.

LLMStack is a no-code platform for assembling generative AI applications, chatbots and agents on top of your own data. It is aimed at teams that want a working AI app without writing a backend: product managers, operations staff, marketers and small engineering groups who would rather wire components together than maintain glue code. The pitch is speed, and the homepage frames the whole product around minutes rather than sprints. The building blocks are model chaining and data import. LLMStack connects to major model providers including OpenAI, Cohere, Stability AI and Hugging Face, and you can chain calls between them so the output of one model feeds the next. On the data side, the platform ingests web URLs, sitemaps, PDFs, audio files, PowerPoint decks, Google Drive and Notion imports, which usually means a retrieval workflow: load source material, connect it to a model, then expose the result through a chatbot or app interface. In practice a typical build starts with a data source, moves to model selection and chaining, and ends with a shareable app. Collaboration is treated as a first-class feature. Apps can be published publicly or restricted to named individuals through a granular permission model, and viewer and collaborator roles let several people edit the same app together. That makes LLMStack closer to a shared workspace than a personal prompt sandbox. Where it fits: lighter than a hand-coded stack on LangChain or similar frameworks, and more oriented toward multi-model chaining and private data than single-purpose chatbot widgets. Buyers comparing it should weigh the no-code abstraction against the control a code framework gives, and check current provider and data connector support directly, since the homepage does not detail limits, pricing or hosting.

How do you use LLMStack?

  1. 1Create an account and open the app builder
    Sign up on the site, then start a new app from the builder workspace where model and data components are assembled.
  2. 2Connect a model provider
    Add credentials for a provider such as OpenAI, Cohere, Stability AI or Hugging Face, then pick the model that will handle the first step of your chain.
  3. 3Import your data
    Pull in source material from a web URL, sitemap, PDF, audio file, PowerPoint deck, Google Drive or Notion so the app can ground answers in your own content.
  4. 4Chain the models
    Link model calls in sequence so the output of one step becomes the input of the next, then test the full flow with sample queries.
  5. 5Set permissions and share
    Choose public access or restrict the app to specific people, assign viewer or collaborator roles, and invite teammates to build alongside you.

Pros and cons

Pros

  • Chains multiple model providers rather than locking a build to one vendorAI
  • Broad data import list covers URLs, sitemaps, PDFs, audio, decks, Google Drive and NotionAI
  • Granular permission model with viewer and collaborator roles for shared app buildingAI
  • Public sharing or restricted access, so the same app can serve internal and external usersAI
  • No-code assembly lowers the barrier for non-engineering team membersAI

Cons

  • Homepage gives no pricing, plan limits or usage quotas, so cost has to be confirmed before committingAI
  • No stated support channels or documentation depth beyond the marketing pageAI
  • Chaining and permission features add configuration overhead that simple chatbot tools avoidAI
  • Data connector reliability depends on each third-party source, which the site does not documentAI
  • No detail on hosting, data residency or model provider terms that compliance teams will ask aboutAI

How much does LLMStack cost?

Integrations

The homepage names OpenAI, Cohere, Stability AI and Hugging Face as model providers, plus Google Drive and Notion as data sources alongside URLs, sitemaps, PDFs, audio and PowerPoint files.

Features

Model chaining across OpenAI, Cohere, Stability AI, Hugging Face and other providers; data import from web URLs, sitemaps, PDFs, audio, PowerPoint, Google Drive and Notion; collaborative app building with viewer and collaborator roles; granular permissions for public or restricted sharing.

Frequently asked questions about LLMStack

  • How do you use LLMStack?
    The walkthrough on this page covers 5 steps: 1. Create an account and open the app builder 2. Connect a model provider 3. Import your data 4. Chain the models 5. Set permissions and share.
  • What platforms does LLMStack support?
    LLMStack is available on Web App.
  • What does LLMStack integrate with?
    The homepage names OpenAI, Cohere, Stability AI and Hugging Face as model providers, plus Google Drive and Notion as data sources alongside URLs, sitemaps, PDFs, audio and PowerPoint files.
  • What are the limitations of LLMStack?
    Homepage gives no pricing, plan limits or usage quotas, so cost has to be confirmed before committing. No stated support channels or documentation depth beyond the marketing page. Chaining and permission features add configuration overhead that simple chatbot tools avoid.

Status

StatusActive
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Added10/21/2026

Platforms

Web App

Pricing

Freemium