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Alternatives

10 best LLMStack alternatives

Tools that cover the same task as LLMStack (code), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.

LLMStack starts at
Not listed
Free plan
Free plan
API
API available
  1. 01

    Mem0

    Mem0 provides persistent memory infrastructure for AI agents and applications so context survives across sessions, users, and agents. The platform offers hosted plans with SDK integration plus open-source options for developers building production agents that need durable recall.

    • From $19/mo
    • Free plan
    • API available

    Best for: Agent builders and app teams that need hosted memory layers with defined add and retrieval quotas.

  2. 02

    Tiptap Editor 3.0 Beta

    Tiptap is a headless rich-text editor framework with 100+ extensions and a paid Tiptap Platform for collaboration, comments, DOCX conversion, AI toolkit agents, and cloud documents. Developers embed the open-source editor or buy hosted platform tiers for production document apps.

    • From $49/mo
    • Free trial
    • API available

    Best for: Product teams building Notion-like, legal, or AI-native editors who need extensible React components plus optional hosted collaboration.

  3. 03

    Langfuse

    Langfuse is an open-source LLM engineering platform for tracing, evaluating, and improving AI agents with collaborative debugging and metrics. Langfuse Cloud offers hosted Hobby, Core, and Pro tiers metered in observability units.

    • From $29/mo
    • Free plan
    • API available

    Best for: AI engineers who need open-source-friendly observability and eval workflows without building tooling in-house.

  4. 04

    App Quality Copilot

    Maestro is an open-source end-to-end UI testing stack for mobile and web, with free local CLI and Studio tools plus Maestro Cloud to run parallel tests on hosted devices.

    • From $250/mo
    • Free plan
    • API available

    Best for: Mobile and web teams who want YAML-readable UI tests and optional cloud parallel runs.

  5. 05

    Novu

    Novu is open-source notification infrastructure for connecting AI agents and products to customers across in-app, email, SMS, push, WhatsApp, Slack, Teams, and Telegram channels. Cloud plans meter workflow runs while enterprise options add compliance, residency, and self-hosted deployment.

    • From $30/mo
    • Free plan
    • API available

    Best for: Product and platform teams that need multi-channel notification workflows with inbox components and usage-based scaling.

  6. 06

    Ampt

    The site emphasizes rapid full-stack workflows, built-in CI/CD, preview environments, and pay-as-you-go tiers for solo developers through enterprise self-hosting.

    • From $7/mo
    • Free plan
    • API unknown

    Best for: JavaScript developers and teams who want managed AWS deployments without hand-rolling infrastructure and CI/CD pipelines.

  7. 07

    Better Auth

    Better Auth is a TypeScript authentication framework that lives in your application code with plugins for sessions, social login, organizations, passkeys, API keys, and enterprise SSO. The vendor also sells managed infrastructure with dashboards, audit logs, and security detections while the core framework stays open source.

    • From $20/mo
    • Free plan
    • API available

    Best for: Developers building Next.js, Nuxt, SvelteKit, Hono, and other TypeScript apps who want composable auth in code plus optional hosted infrastructure.

  8. 08

    Softr

    Softr helps teams build client portals, internal tools, and lightweight apps on top of databases with AI app generation, forms, workflows, MCP-connected agents, and mobile views. Builders connect Airtable, SQL, and other sources, then publish authenticated experiences without custom front-end code.

    • From $19/mo
    • Free plan
    • API available

    Best for: Ops teams and startups that need gated portals and internal tools on live business data without hiring full-stack developers.

  9. 09

    Hugging Face

    Hugging Face is the central collaboration platform and repository for machine learning, hosting over 1 million open-source models, datasets, and ML demonstration applications (Spaces). It provides Inference Endpoints, Spaces hosting, AutoTrain, and the Transformers library ecosystem.

    • From $9/mo
    • Free plan
    • API available

    Best for: Machine learning practitioners, software developers, researchers, and organizations building, hosting, and sharing open-source AI models and datasets.

  10. 10

    Bubble

    Bubble is a visual no-code platform for building web and mobile applications with databases, workflows, design tools, and AI-assisted development in a hosted workspace.

    • From $59/mo
    • Free plan
    • API available

    Best for: Founders and product teams shipping full-stack apps without traditional code who need Bubble-hosted infrastructure.

LLMStack alternatives: common questions

What is the best free alternative to LLMStack?

Mem0 has an ongoing free plan. Hobby tier is free with unlimited end users, 10,000 add requests per month, and 1,000 retrieval requests per month. Free plans change, so check the vendor before relying on one.

What is the cheapest LLMStack alternative?

Ampt has the lowest listed starting price at $7/mo.

Which LLMStack alternatives have an API?

Mem0, Tiptap Editor 3.0 Beta, Langfuse, App Quality Copilot, Novu mention API or developer access.