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8 alternatives · updated Aug 2026

The best LLMStack alternatives in 2026

8 tools that do the job LLMStack does. Each one is measured against LLMStack on price, free plan and our rating, so you can see what you gain by switching.

Shortlist by what you need

Start here if you know why you are leaving LLMStack.

  1. Want the closest match?

    nao

    Most similar to LLMStack in what it does, its category and its price.

    Visit (opens nao in a new tab)
  2. Need a free plan?

    OpenMeter

    Has a free plan, rated 4.1 out of 5.

    Visit (opens OpenMeter in a new tab)
  3. Want the lowest price?

    Gooey.AI

    From $25/mo, the lowest starting price here.

    Visit (opens Gooey.AI in a new tab)
  4. Want the best rated?

    Zylon

    Rated 4.1 out of 5 in our review, against 3.9 for LLMStack.

    Visit (opens Zylon in a new tab)

At a glance

Green means better than LLMStack, red means worse. Prices are starting prices per month.

ToolOur ratingStarts atFree planBest forCompare
LLMStackBaseline3.9FreeYesOpen-source no-code platform for building AI agents and chatbots on your own data.
nao3.9SameFreeYesOpen-source builder for analytics agents, focused on giving them the right context.vs LLMStack
Gooey.AI4.0+0.1$25/moYesLow-code workflow platform that chains open-source and private AI models behind one shared billing layer.vs LLMStack
OpenMeter4.1+0.2FreeYesOpen-source metering for usage-based billing on AI and API products.vs LLMStack
Msgmate Open-Chat2.8−1.1FreeYesAn open-source, privacy-focused ChatGPT alternative you host yourself - connects to GROQ, DeepInfra, OpenAI, and LocalAI, actively developed on GitHub.vs LLMStack
Zylon4.1+0.2Not listedNoPrivate AI infrastructure deployed on-premise, air-gapped or in your own cloud VPC.vs LLMStack
Latitude4.1+0.2$99/moYesOpen-source observability platform that turns repeated AI agent failures into tracked, fixable issues.vs LLMStack
Lamatic AI3.9SameFreeYesA visual builder for AI agents with serverless deployment built in - 100+ model/data integrations, no separate infrastructure to stand up.vs LLMStack
Pulze3.9Same$39/moYesNo-code workspace for building secure AI assistants on top of leading modelsvs LLMStack

The alternatives in detail

In order of how closely each one matches LLMStack.

  1. nao

    3.9Free

    vs LLMStackSame

    Open-source builder for analytics agents, focused on giving them the right context.

    • Analytics agent building framework
    • Context engineering as the organising idea
    • Evaluation of agent answers

    Evaluation built in rather than generation alone

    Pricing page returns a 404

  2. Gooey.AI

    4.0$25/mo

    vs LLMStack+0.1

    Low-code workflow platform that chains open-source and private AI models behind one shared billing layer.

    • Reusable, forkable AI workflow "recipes" chaining multiple models
    • Unified credit-based billing across open-source and proprietary models
    • No-code and low-code workflow assembly for non-engineers

    Removes the need to manage separate API keys and billing per model provider

    Free tier is restricted to non-commercial use

  3. OpenMeter

    4.1Free

    vs LLMStack+0.2

    Open-source metering for usage-based billing on AI and API products.

    • Real-time usage metering
    • Token and API call measurement
    • Entitlements management

    Open source and self-hostable for a billing-critical component

    Hosted pricing tiers render client-side

  4. vs LLMStack−1.1

    An open-source, privacy-focused ChatGPT alternative you host yourself - connects to GROQ, DeepInfra, OpenAI, and LocalAI, actively developed on GitHub.

    • Open-source, privacy-focused ChatGPT alternative
    • Integrates GROQ, DeepInfra, OpenAI, and LocalAI
    • Named open-source model support (dolphin-2.6-mixtral-8x7b)

    Genuine privacy-first, self-hosted alternative to closed chat interfaces

    Requires technical setup (Docker) rather than a signup-and-go experience

  5. Zylon

    4.1Not listed

    vs LLMStack+0.2

    Private AI infrastructure deployed on-premise, air-gapped or in your own cloud VPC.

    • Deployment on-premise, air-gapped or inside a customer-controlled cloud VPC
    • Full data control with no dependency on external model providers
    • Governance, access control and compliance tooling included

    Architectural rather than contractual data control

    Self-hosting shifts infrastructure and maintenance cost onto the customer

  6. Latitude

    4.1$99/mo

    vs LLMStack+0.2

    Open-source observability platform that turns repeated AI agent failures into tracked, fixable issues.

    • Agent-native tracing across sessions, tool calls, and reasoning steps
    • Automatic grouping of repeated failures into tracked issues
    • Auto-generated regression datasets from production traces

    Genuinely free self-hosted option for teams that want full data control

    Self-hosting requires engineering effort the managed plan is built to avoid

  7. Lamatic AI

    3.9Free

    vs LLMStackSame

    A visual builder for AI agents with serverless deployment built in - 100+ model/data integrations, no separate infrastructure to stand up.

    • Visual workflow builder for AI agents
    • Pre-built templates: RAG chatbots, semantic search, Slack bots
    • 100+ model, data source and application integrations

    Bundles infrastructure/deployment with the builder, not just the design layer

    Visual builder trades some flexibility for speed on complex custom logic

  8. Pulze

    3.9$39/mo

    vs LLMStackSame

    No-code workspace for building secure AI assistants on top of leading models.

    • No-code assistant building for business teams
    • Routing across several leading model providers
    • Enterprise access controls and data handling

    Business teams can build without engineering time

    No-code boundaries constrain unusual retrieval requirements

FAQ

Questions people ask

Is LLMStack free?

LLMStack has a free plan.

What is the best free alternative to LLMStack?

OpenMeter is the highest-rated alternative here with a free plan (4.1 out of 5). Other free options: Latitude, Gooey.AI, nao.

What is the cheapest alternative to LLMStack?

Among paid plans, Gooey.AI has the lowest starting price (from $25/mo). If you need it free, start with OpenMeter.

How did you pick these alternatives?

We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.