Ollama
Run Llama, Mistral, Gemma and 100+ open models locally in one command
Ollama · Infrastructure
Launched Jul 2023
Quick Answer
Ollama is run llama, mistral, gemma and 100+ open models locally in one command, made by Ollama. It is free and open source. Key uses: Private/offline AI, Developer testing, Air-gapped enterprise.
Last updated:
Users
100K+ GitHub stars; millions of installs
What is Ollama?
Ollama is an open-source tool that makes it trivially easy to download and run large language models locally on your machine. With a single command like `ollama run llama3`, you get a local model with an OpenAI-compatible API, no data leaving your device. Supports macOS, Windows, and Linux with Metal (Apple Silicon) and CUDA GPU acceleration.
What's new in Ollama in 2026?
Ollama 0.5 (Jan 2025) — concurrent model loading; 150+ model library; OpenAI API compatibility; Ollama JavaScript and Python libraries; 100K+ GitHub stars; fastest growing open-source AI tooling; integration with Open WebUI for Ollama gives best local ChatGPT-like experience
How much does Ollama cost?
Free / Open-Source
$0
- All models free
- Local GPU inference
- OpenAI-compatible API
- No rate limits
- MIT license
What can you do with Ollama?
- Private/offline AI
- Developer testing
- Air-gapped enterprise
- Local coding assistant
- Cost-free AI inference
Pros
- Completely free and open-source
- Data never leaves device
- OpenAI-compatible API
- 100+ models available
- GPU-accelerated (Apple Silicon/CUDA)
Cons
- Requires capable hardware
- Slower than cloud APIs
- No GUI by default
- Model quality limited by hardware
What are the best alternatives to Ollama?
Compare Ollama Head-to-Head
Frequently Asked Questions about Ollama
How much does Ollama cost?
Ollama pricing: Free / Open-Source at $0.
Is Ollama free?
Yes, Ollama is fully free and open source.
What is Ollama used for?
Ollama is used for: Private/offline AI, Developer testing, Air-gapped enterprise, Local coding assistant, Cost-free AI inference.
What are the best alternatives to Ollama?
Top alternatives to Ollama include Replicate, Groq API, vLLM.
What platforms does Ollama support?
Ollama is available on: macOS (Apple Silicon + Intel), Windows, Linux.
Details
Underlying Models
Platforms
Integrations
Ideal For
- Privacy-conscious developers
- Air-gapped enterprises
- Researchers
- Hobbyists
- Teams avoiding cloud API costs