Best VPS guide · Automation / AI / Dev

Best VPS for AI & Automation Apps

Every self-hosted AI, automation and developer-platform app in our directory, lightest first by recommended RAM. Ordering is by the checked dataset — it is a sizing order, not a quality ranking.

Ranked by recommended RAM

10 apps, lightest first

Badges show the basis for each figure. An estimate is never presented as an official project requirement.

  1. 1

    LibreChat

    AI chat front-end that unifies major AI providers; the lightest in this group, with an official 2 GB recommended RAM.

    Replaces ChatGPT · Suggested tier: 2 GB RAM tier

    Minimum RAM
    1 GiB Official
    Recommended RAM
    2 GB Official
  2. 2

    n8n

    Workflow automation with native AI capabilities and 400+ integrations; all sizing is estimated because n8n publishes no hardware minimum.

    Replaces Zapier / Make · Suggested tier: 4 GB RAM tier

    Minimum RAM
    2 GB Estimated
    Recommended RAM
    4 GB Estimated
  3. 3

    Open WebUI

    Chat interface for Ollama and OpenAI-compatible APIs; size the model runtime you connect to it separately.

    Replaces ChatGPT · Suggested tier: 4 GB RAM tier

    Minimum RAM
    2 GB Estimated
    Recommended RAM
    4 GB Estimated
  4. 4

    AnythingLLM

    All-in-one AI app to chat with documents and build agents; official minimum is 2 GB RAM and 10 GB disk.

    Replaces ChatGPT · Suggested tier: 4 GB RAM tier

    Minimum RAM
    2 GB Official
    Recommended RAM
    4 GB Estimated
  5. 5

    Coolify

    Self-hostable PaaS with 360+ one-click services; official minimum is 2 cores / 2 GB RAM / 10 GB disk.

    Replaces Vercel / Heroku / Netlify · Suggested tier: 4 GB RAM tier

    Minimum RAM
    2 GB Official
    Recommended RAM
    4 GB Estimated
  6. 6

    Dokploy

    PaaS to deploy and manage apps and databases; official minimum is 2 GB RAM, with a larger 30 GB disk floor.

    Replaces Vercel / Netlify / Heroku · Suggested tier: 4 GB RAM tier

    Minimum RAM
    2 GB Official
    Recommended RAM
    4 GB Estimated
  7. 7

    Dify

    LLM app development platform combining AI workflow, RAG pipelines and agents; official minimum is at least 2 cores / 4 GiB RAM.

    Replaces Dify Cloud · Suggested tier: 8 GB RAM tier

    Minimum RAM
    4 GiB Official
    Recommended RAM
    8 GiB Estimated
  8. 8

    Plane

    Project management rather than AI tooling; its official figures are the heaviest here — 4 GB minimum, 8 GB recommended.

    Replaces Jira / Linear · Suggested tier: 8 GB RAM tier

    Minimum RAM
    4 GB Official
    Recommended RAM
    8 GB Official
  9. 9

    Activepieces

    Workflow and business automation with a visual flow builder and 200+ integrations; official minimum is 2 vCPU / 4 GB RAM.

    Replaces Zapier / Make · Suggested tier: 8 GB RAM tier

    Minimum RAM
    4 GB Official
    Recommended RAM
    8 GB Estimated
  10. 10

    Ollama

    Runtime for running open LLMs locally; the heaviest entry — its figures are estimates because requirements scale with the model you load.

    Replaces OpenAI API / ChatGPT · Suggested tier: 16 GB RAM tier

    Minimum RAM
    8 GB Estimated
    Recommended RAM
    16 GB Estimated

Planning to run several of these on one server? The footprints add up — use the multi-app VPS calculator rather than picking the single largest tier.