Ollama vs Open WebUI: license, pricing and features compared (October 2026)

Ollama and Open WebUI are both listed under Local LLMs and model platforms. Ollama is open source (MIT); Open WebUI is not: Open WebUI License (custom; read it before commercial use). Pricing model: Ollama is "Free + paid cloud plans"; Open WebUI is "Free self-hosted". Ollama is the better fit for: developers who want local models behind a simple API. Open WebUI is the better fit for: teams that want a self-hosted chat UI. Facts were read from vendor and GitHub pages on Oct 25, 2026 and are Reported; what we ran ourselves is under What we measured.

Our pick: Pick Ollama for developers who want local models behind a simple API; pick Open WebUI for teams that want a self-hosted chat UI. No overall winner: we have not benchmarked them against each other. Updated (America/Chicago).

Evidence: Both tools have a Tested entry (scope on each tool page). The facts in the tables were read from each vendor's own pages and the public GitHub API on 2026-10-25 (America/Chicago) and are Reported. The What we measured section lists what we have actually run, with links to the test logs, and what we have not run yet; anything we could not confirm is marked as not captured.

Ollama

Ollama · v0.40.11

Tested (smoke test)

The common way to run open models locally on macOS, Windows and Linux, with a cloud option and an MIT-licensed open-source core.

Open WebUI

Open WebUI · v0.12.4

Tested (smoke test)

Self-hosted AI platform: a web interface that connects to Ollama and OpenAI-compatible models, under its own Open WebUI License.

Side by side, from what we recorded

Each row compares one recorded fact for both tools. Rows are not weighted and nothing is added up into a score; the note under each row says what the marker means.

  • Evidence

    Tested (smoke test) for Ollama
    Tested (smoke test) for Open WebUI

    Tested = we ran it (smoke test); Reported = we read official sources

  • Smoke-test result

    Passed for Ollama
    Passed for Open WebUI

    Each tool's own smoke test on the same CPU-only machine; tasks differ unless the logs say otherwise

  • GitHub stars

    184,762 (Ollama is ahead on this row) for Ollama
    156,757 for Open WebUI

    Attention, not quality. Read Oct 25, 2026 / Oct 25, 2026

  • Most recent release we saw

    Oct 25, 2026 for Ollama
    Oct 25, 2026 for Open WebUI

    More recent = newer release date; says nothing about quality

  • Pricing we could verify

    Verified from official page (Ollama is ahead on this row) for Ollama
    Partly verified for Open WebUI

    About our evidence only, not about the price

  • Steps in our setup guide

    2 for Ollama
    2 for Open WebUI

    Counts our guide's steps, not difficulty

  • Sources we cite

    3 for Ollama
    3 for Open WebUI

    How much we had to read; more is not better

A list of recorded differences, not a quality score or a ranking. We have not benchmarked these tools against each other; the smoke-test row links each tool's own log. How we label evidence.

What we measured

We ran both Ollama and Open WebUI ourselves; the table links each full test log. These are smoke tests on one CPU-only machine, not benchmarks. Each tool had its own task, so the two results are not a head-to-head. Model-driven runs used a small local Qwen2.5-3B-Instruct model.

Our own tests for Ollama and Open WebUI
TestOllamaOpen WebUI
Hands-on test log (install and a real task)Tested: Ollama 0.40.11, Oct 25, 2026: passed. Ollama 0.40.11 served three Qwen2.5 sizes over its OpenAI-compatible API on 8 CPU cores: all three answered simple prompts; the 0.5B model failed JSON extraction while… Full test logTested: Open WebUI 0.12.4, Oct 25, 2026: passed. Open WebUI 0.12.4 installed with uv in 11.6 s (6,977 MB in the virtualenv), was healthy about 11 to 12 s after start, and answered a chat through its API in 0.68 s using… Full test log

How we test and label results: methodology. All test logs: test hub.

Ollama vs Open WebUI at a glance

Ollama and Open WebUI are both listed under Local LLMs and model platforms. Agentic Weekly's Open WebUI page names Ollama as an alternative. Ollama: The common way to run open models locally on macOS, Windows and Linux, with a cloud option and an MIT-licensed open-source core. Open WebUI: Self-hosted AI platform: a web interface that connects to Ollama and OpenAI-compatible models, under its own Open WebUI License.

Ollama and Open WebUI side by side (vendor pages and GitHub, 2026-10-25)
FeatureOllamaOpen WebUI
VendorOllamaOpen WebUI
Listed underLocal LLMs and model platformsLocal LLMs and model platforms
LicenseMITOpen WebUI License (custom; read it before commercial use)
Pricing modelFree + paid cloud plansFree self-hosted
Free tierFree: $0, pay-as-you-go usage credits for cloud modelsFree to self-host
Paid plansPaid plan $20/month ($16.67/month billed annually) with $60 of monthly usage credits; $100/month with $300; $500/month with $1,000 shared; Enterprise customEnterprise options not read
PlatformsmacOS, Windows and LinuxSelf-hosted (Docker and others)
Public repositoryollama/ollama: 184,762 stars, last push Oct 25, 2026 UTC (GitHub API, Oct 25, 2026)open-webui/open-webui: 156,757 stars, last push Oct 25, 2026 UTC (GitHub API, Oct 25, 2026)
Latest release we sawv0.40.11, Oct 25, 2026v0.12.4, Oct 25, 2026
EvidenceTested (scope on its tool page)Tested (scope on its tool page)

How Ollama and Open WebUI differ

  • Ollama is open source (MIT); Open WebUI is not: Open WebUI License (custom; read it before commercial use).
  • Pricing model: Ollama is "Free + paid cloud plans"; Open WebUI is "Free self-hosted".
  • GitHub stars on Oct 25, 2026: Ollama 184,762 (ollama/ollama) vs Open WebUI 156,757 (open-webui/open-webui). Stars measure attention, not quality.
  • Free tier: Ollama: $0, pay-as-you-go usage credits for cloud models. Open WebUI: Free to self-host.
  • Plans and prices differ and are not like-for-like (credits, seats and usage limits vary), so we do not name a cheaper tool. The Paid plans row above quotes each vendor's plan list as read on Oct 25, 2026.

Which should you pick?

  • Pick Ollama if: developers who want local models behind a simple API; people who want to try open models privately. Skip it if: you need frontier proprietary models only.
  • Pick Open WebUI if: teams that want a self-hosted chat UI; Ollama users who want a browser interface. Skip it if: you need a standard OSI license for your own distribution.

Strengths and limits

Strengths and limits as listed on each tool page
FeatureOllamaOpen WebUI
StrengthsMIT-licensed; Runs on all three desktop OSes; Active release cadenceVery active (v0.12.4 on Oct 25, 2026); Large community
LimitsLarge models need hardware; Cloud usage is billed separately; Our test was one small task on a local 3B model; it does not show behaviour with hosted models or larger jobsCustom license, not MIT or Apache; Our test was one small task on a local 3B model; it does not show behaviour with hosted models or larger jobs

What we did not verify

  • Ollama: Speed of a given model on your hardware.
  • Open WebUI: Enterprise pricing.
  • Output quality, speed and reliability beyond the smoke tests listed under What we measured: not compared.

FAQ

Is Ollama or Open WebUI open source?

Ollama: MIT. Open WebUI: Open WebUI License (custom; read it before commercial use). Licenses come from each project's GitHub repository or the vendor's own pages, read Oct 25, 2026; read the license text itself before redistributing or building a competing service.

Does Ollama or Open WebUI have a free plan?

Ollama: Free: $0, pay-as-you-go usage credits for cloud models. Open WebUI: Free: to self-host. Checked Oct 25, 2026; prices and limits change, so confirm on each vendor's page.

Which was updated more recently, Ollama or Open WebUI?

Ollama's newest release we saw is v0.40.11 (Oct 25, 2026); Open WebUI's is v0.12.4 (Oct 25, 2026). Read Oct 25, 2026 from the official release page or repository; a newer date is not a quality ranking.

What is the main difference between Ollama and Open WebUI?

Ollama is open source (MIT); Open WebUI is not: Open WebUI License (custom; read it before commercial use). Pricing model: Ollama is "Free + paid cloud plans"; Open WebUI is "Free self-hosted".

Sources

Page history

  • : First published. Facts read from vendor pages and the GitHub API on 2026-10-25.

Markdown version for agents: /compare/ollama-vs-open-webui.md