Technical

Run Ollama Locally: 2026 Australian Business Guide

Run Ollama Locally: 2026 Australian Business Guide

Running Ollama locally means hosting open-weight large language models such as Llama, Qwen, Mistral, Gemma or gpt-oss on your own laptop, workstation or server. Prompts and documents never leave your network, there are no per-token fees, and it works offline. For Australian organisations it simplifies Privacy Act and data sovereignty questions for sensitive work.

Key takeaways

  • Ollama is open-source (MIT licence) software that downloads and runs open-weight models with one command, on macOS, Windows and Linux.
  • It exposes a local API, including an OpenAI-compatible endpoint, so many existing tools can point at it with small changes.
  • The strongest business cases are sensitive documents, high-volume batch work and offline or restricted environments.
  • Hardware sets the ceiling: memory decides which model sizes you can run, and a GPU decides speed.
  • Most organisations end up hybrid: local models for sensitive or high-volume work, cloud models where frontier capability matters.

What is Ollama?

Ollama is an open-source platform for running large language models on your own hardware. Think of it as a package manager for AI models: you pull a model, run it and talk to it locally.

How Ollama works
  1. Install OllamaDownload for Mac/Windows/Linux
  2. Pull Modelollama pull llama3.1
  3. Run LocallyProcesses on your CPU/GPU
  4. No Data LeavingCan run fully offline
FeatureWhat it means
MIT licenceOllama itself can be used commercially. Check each model's own licence
Offline operationWorks without internet once models are downloaded
Multi-platformmacOS, Windows, Linux
GPU accelerationNVIDIA CUDA, AMD ROCm, Apple Metal
APILocal REST API plus an OpenAI-compatible endpoint
Model libraryLlama, Qwen, Mistral, Gemma, DeepSeek, gpt-oss and many more

In August 2025 OpenAI released open-weight gpt-oss models, which are available through Ollama, a sign of how far local deployment has moved into the mainstream.

Why should Australian organisations run Ollama locally?

1. Privacy and data sovereignty

Sending personal information to an overseas AI provider is a cross-border disclosure under APP 8 of the Privacy Act 1988, and you stay accountable for how the recipient handles it. Running models on your own infrastructure in Australia removes that disclosure for the workloads you keep local.

Data flow: cloud vs local AI
Cloud AI APILocal AI (Ollama)Impact
Where data is processedProvider's data centres, often overseasYour machine or serverLocal
RetentionSet by provider termsYou controlOwned
Foreign legal accessPossible, depending on providerLimited to your own jurisdictionReduced
Compliance workVendor assessment, APP 8 documentationInternal security controlsSimpler

Keeping data on your hardware avoids training use of your prompts, overseas disclosure questions and lengthy vendor assessments for those workloads. See our data sovereignty guide.

2. Cost at volume

Cloud APIs charge per token. Local models cost hardware, electricity and support time. Once usage is steady and high, such as batch document processing or always-on internal assistants, local deployment can cost less over a few years. Model it on your own usage data: current monthly API spend, expected growth, hardware, power and the staff time to run it.

3. Speed and reliability

A local model has no internet round trip, no provider rate limits and no dependency on a provider's uptime. You do take on responsibility for your own uptime.

4. Capable open models

Open-weight models have improved quickly. Leading open models now handle summarising, drafting, extraction, classification and coding well, though the strongest frontier cloud models still lead on the hardest reasoning tasks. Test on your own work before deciding.

Which model family should you try first?

What's your primary use case?

  • General chat, drafting, summarisingLlama 3.1 8B, Qwen or Gemma in the 7-12B range
  • Coding assistanceQwen2.5-Coder or another code-tuned model
  • Long or complex documentsA larger model (30B-70B) if your hardware allows
  • Multilingual contentQwen or Mistral families
  • Harder reasoninggpt-oss or a DeepSeek R1 distilled model

5. Control

You choose the model, adapt it to your domain, integrate directly with your systems, upgrade on your schedule and configure it for your regulatory needs.

How do you set up Ollama?

Ollama setup
  1. Step 1Download and installGet Ollama for your OS
  2. Step 2Pull a modelDownload a model sized for your hardware
  3. Step 3Test interactive chatRun your first prompt
  4. Step 4Use the APIConnect your applications

Step 1: Install

macOS and Windows: download the installer from ollama.com and run it.

Linux:

curl -fsSL https://ollama.com/install.sh | sh

In a corporate environment, check with IT first. Installation may need admin rights and approval.

Step 2: Pull a model

ollama pull llama3.1:8b

This downloads Meta's Llama 3.1 8B model, a quantised download of roughly 5GB that runs on a typical 16GB business laptop. For lower-spec machines, try llama3.2 (3B).

Step 3: Chat

ollama run llama3.1:8b

Try summarising a non-sensitive document, drafting an email or explaining a policy.

Step 4: Use the API

Ollama listens on http://localhost:11434. It has its own API and an OpenAI-compatible endpoint under /v1, so many tools built for OpenAI can be pointed at it.

curl http://localhost:11434/api/chat -d '{
  "model": "llama3.1:8b",
  "messages": [{"role": "user", "content": "Hello!"}]
}'

What hardware do you need to run Ollama?

Memory decides which models fit. A GPU or Apple Silicon decides how fast they run.

Approximate memory needs by model size (quantised)
Model sizePractical memoryImpact
3B parametersSimple tasks, classification8GBMost modern laptops
7-8B parametersGeneral purpose16GBMost business laptops
13-14B parametersBetter quality drafting32GBWorkstation class
70B parametersHigh quality, slower64GB+ or large GPU memoryServer or high-end desktop

Ollama runs on CPU alone, but slowly for anything beyond small models. A modern NVIDIA GPU or an Apple Silicon Mac with plenty of unified memory makes interactive use comfortable. For shared team use, a dedicated server with GPU memory sized to your chosen model is the usual pattern. Our private AI infrastructure team specifies this for production.

Where does local AI work best in business?

Document Q&A with RAG

Retrieval-augmented generation lets staff ask questions of your own documents. With Ollama and a local vector store, documents never leave your infrastructure.

Local RAG pipeline
  1. DocumentsYour PDFs, Word docs, emails
  2. Embed LocallyConvert to vectors
  3. Store LocallyA local vector database
  4. QueryAsk questions
  5. AnswerGrounded responses with sources

Good fits include contract and policy review, internal knowledge search, compliance documentation and confidential reporting.

Code assistance

Code-tuned local models help with completion, explanation, documentation and review without sending proprietary code to external servers.

Internal assistants

Assistants that handle sensitive internal queries, connect securely to internal systems and run without per-query costs, with a person approving anything that reaches a customer.

Should you use local AI, cloud AI or both?

When to use local vs cloud AI

What type of work is it?

  • Sensitive or confidential dataLocal (privacy)
  • High-volume batch processingLocal (cost at volume)
  • Hardest reasoning or newest capabilitiesCloud frontier models under business terms
  • Real-time voice or visionCloud specialised APIs, or local if data is sensitive
  • Prototype or experimentEither, depending on data

What Australian rules make local AI attractive?

  • Privacy Act 1988, APP 8: local processing avoids cross-border disclosure for the workloads you keep onshore.
  • Automated decision-making transparency: from 10 December 2026, privacy policies must describe automated decisions that significantly affect individuals. Local systems make documenting how they work easier.
  • APRA CPS 234: regulated financial entities must maintain information security proportionate to threats. Keeping AI inside your security perimeter helps.
  • Health information: sensitive information under the Privacy Act and state health records laws. Local processing reduces exposure.

How do you take Ollama from laptop to production?

Enterprise Ollama deployment
  1. Week 1PilotInstall on approved machines, test with non-sensitive data
  2. Week 2-3Use case validationMeasure quality against current tools on real tasks
  3. Week 4-6Infrastructure planningSize hardware, plan network and security review
  4. Week 7-8Production deploymentDeploy to servers, integrate, add logging and access control
  5. OngoingOperateModel updates, monitoring, new use cases

For production, plan for access control through your identity provider, request logging, monitoring, backups, a model update process and a named owner. A laptop pilot proves value. Production needs the same operational discipline as any other system.

How Solve8 can help

We design and run private AI on your infrastructure in Australia or New Zealand (your cloud or your own servers): hardware sizing, model selection, RAG over your documents, access control and ongoing operation. Across our consultants' careers, including enterprise data systems work in BHP, Rio Tinto and Senex Energy environments, we have deployed technology inside tightly controlled networks. See private AI infrastructure, our offline AI corporate guide, or talk to us.

Questions

What does it mean to run Ollama locally?

It means installing Ollama on your own computer or server and running open-weight AI models there, so prompts and data are processed on your hardware instead of a cloud provider's.

Is Ollama free for business use?

Ollama itself is open-source under the MIT licence. Each model has its own licence, so check terms such as Llama's community licence before commercial use.

What hardware do I need for Ollama?

A 16GB laptop runs 7-8B models. Larger models need 32GB to 64GB or more of memory, and a GPU or Apple Silicon makes responses much faster.

Is local AI as good as ChatGPT or Claude?

For many everyday tasks such as summarising, drafting and extraction, good open models are close. Frontier cloud models still lead on the hardest reasoning, so many organisations use both.

Does running AI locally help with the Privacy Act?

Yes, for the workloads you keep local. Data processed on your own Australian infrastructure is not disclosed overseas, which removes APP 8 cross-border obligations for that processing.

Want this applied to your business?

A short call with our team. You leave with a clear first step.

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