Ollama vs Open WebUI (2026): which should you pick?

Pick Ollama if

• Fits if you are happy in a terminal and want models running on your own machine
• Works for developers who want an OpenAI-style API pointed at local models

Look elsewhere if

• Skip it if you want a ready chat window, as the pages we read describe none
• Tight if your computer has no capable GPU, because large models run slowly
• Watch out: cloud use past your plan's credits is billed per token at each model's rate
• Watch out: Team is marked early access, and some Pro and Team features are listed as coming soon

Pick Open WebUI if

• Fits if your team wants its AI chat on its own servers, even with no internet connection
• Works for people running local models through Ollama who want a browser interface for them

Look elsewhere if

• Skip it if you don't want to run a server, because there's no hosted version to sign up for
• Not for you if you want a phone app, as none is listed, and the desktop app is labeled early alpha
• Not for you if you want your own branding for more than 50 users, unless you buy an enterprise license
• Watch out: enterprise prices aren't published, and licenses are sold only to registered organizations
• Watch out: since v0.6.6 the license isn't OSI-approved open source, and you supply every model or API key

Ollama

• It is driven from a command line and API; the pages we read describe no built-in chat app.
• Local speed depends on your hardware; the vendor warns large models are slow without a strong GPU.
• Cloud usage beyond a plan's monthly credits is billed per token at the listed model rates.
• Team is marked early access, and some Pro and Team features are listed as coming soon.

Open WebUI

• There is no hosted service: you install and run it yourself with Docker, pip or Kubernetes, and supply your own models or provider API keys.
• Since v0.6.6 the license is not OSI-approved open source: deployments with more than 50 users must keep the Open WebUI branding unless they hold an enterprise license.
• The desktop app for macOS, Windows and Linux is labeled early alpha, and the docs point production deployments to Docker or Python.
• Enterprise license prices are not published, and licenses are sold only to registered organizations, not individuals.

Ollama

Local models

Download an open model and run it on your own machine. Speed depends on your hardware, and large models are slow without a strong GPU.

Cloud models

Run larger open models on Ollama's servers with no download. Model names ending in :cloud select them, and the API is at ollama.com.

API compatibility

The docs describe OpenAI-compatible and Anthropic-compatible APIs, so apps written for those SDKs can point at Ollama.

Per-token model pricing

The pricing page lists input, cached input and output prices per million tokens for each cloud model, with lower off-peak rates on some.

Zero data retention

Ollama says prompts are never stored or trained on, and that partner providers must agree to no logging and no training.

Open WebUI

Any model in one interface

Chats with Ollama, OpenAI, Anthropic or any OpenAI-compatible provider. You can switch models mid-conversation or run two side by side to compare their answers.

Knowledge bases and RAG

Upload files and build knowledge bases searched with hybrid BM25 and vector search, or inject whole documents. The docs list 13 vector databases and 8 extraction engines.

Web search and code execution

Models can search the web and cite sources, and run Python in the browser or through Open Terminal, which gives the model a real terminal and filesystem to work in.

Tools, functions and MCP

Extend it with Python tools and pipelines, MCP servers and OpenAPI endpoints, or install prompts, models, tools and functions shared by the community.

Multi-user access control

Roles, groups and per-model permissions, with SSO through OIDC or LDAP, SCIM 2.0 provisioning and API keys for programmatic access.

Channels and notes

Channels are shared spaces where teammates and @-tagged models post in one timeline. Notes is an editor whose pages can be attached to a chat as context.

Ollama

• Pay as you go$0

  Run models locally at no cost; cloud models are billed per token. 3 concurrent requests and no service fees.

• Pro$20

  per month, billed monthly ($16.67 billed annually)

  $60 of usage credits per month and access to larger pro models. Annual billing is $200 a year.

• Max$100

  per month

  Everything in Pro plus $300 of monthly usage credits, early model access and 10 concurrent requests.

• Team$500

  per month for unlimited users

  $1,000 of monthly credits shared by the team, central billing and administration, and priority support. Early access.

• EnterpriseCustom

  Adds model access controls, cost budgets for users and API keys, and a private Slack channel. Priced by volume.

Open WebUI

• Standard UseFree

  Self-hosted internal use with the original Open WebUI branding exactly intact. No enterprise agreement is needed.

• Enterprise UseCustom

  An enterprise license for white-labeling and rebranding, enterprise-only offerings such as Terminals, SLA support and Long-Term Support. Sold to registered organizations.

Ollama

• Annual discount

  Pro costs $200 a year billed annually

  Ollama's pricing page shows Pro at $20 a month, or $200 a year billed annually, which works out to $16.67 a month.

Open WebUI

No public discounts listed.