AltCatalog

Alternatives to Ollama

Run open-weight models locally with one command

Alt Score

Alt Score · 78

How this alternative ranks. How it works →

Verified coverage 90%75
Visibility 10%100

Verified coverage = sourced yes and partial answers in the category checklist. Visibility = relative app-page views on AltCatalog over 30 days, neutral below 500 category views. Payment, votes, and vendor opinions are never score inputs.

#5 of 7 in Local LLM runners

Ollama ranks #5 of 7 in Local LLM runners, with an Alt Score of 78. It is licensed under MIT, freemium from Free and available on macOS, Windows and Linux. 11 of 12 checklist rows are verified against a public source.

Most compared with LocalAIJanLM Studio
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Who it's for

Developers and technically inclined users who want to run open-source large language models on their own machine instead of calling a cloud API, whether for privacy, offline use, cost control, or experimentation.

What you get

A CLI and desktop app (macOS, Windows, Linux) for downloading, running, and managing open-weight models like Llama, Mistral, Gemma, Qwen, and DeepSeek. It exposes a local REST API so you can build apps and agents against models running on your own hardware. A model library (ollama.com/library) offers many models in different sizes and quantizations, and Modelfiles let you customize or create model variants.

How it works

You pull a model with a single command (e.g. `ollama run llama3`); Ollama downloads the packaged weights and runs them locally via a background server (default port 11434, using CPU or GPU). The CLI, desktop app, and any API client all talk to this same local server to send prompts and get completions.

Why people leave Ollama

Dashed reasons are sourced facts; the rest are opinions. Vendors can dispute.

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Ranked alternatives

Ordered by Alt Score. Click any score to see the breakdown.

Sponsored Paid slot. Never affects the ranked order below. Promote here →
01

Self-hosted OpenAI-compatible API for local models.

MIT LinuxmacOS
Alt Score

Alt Score · 96

How this alternative ranks. How it works →

Verified coverage 90%96
Visibility 10%100

Verified coverage = sourced yes and partial answers in the category checklist. Visibility = relative app-page views on AltCatalog over 30 days, neutral below 500 category views. Payment, votes, and vendor opinions are never score inputs.

02
Jan

Open source local-first ChatGPT alternative.

Apache-2.0 WindowsmacOSLinux
Alt Score

Alt Score · 93

How this alternative ranks. How it works →

Verified coverage 90%92
Visibility 10%100

Verified coverage = sourced yes and partial answers in the category checklist. Visibility = relative app-page views on AltCatalog over 30 days, neutral below 500 category views. Payment, votes, and vendor opinions are never score inputs.

03

Desktop app for local LLMs with a friendly UI.

Proprietary (closed source); lms CLI and TypeScript SDK are MIT WindowsmacOSLinux
Alt Score

Alt Score · 85

How this alternative ranks. How it works →

Verified coverage 90%83
Visibility 10%100

Verified coverage = sourced yes and partial answers in the category checklist. Visibility = relative app-page views on AltCatalog over 30 days, neutral below 500 category views. Payment, votes, and vendor opinions are never score inputs.

04

The reference C++ inference engine for GGUF models.

MIT WindowsmacOSLinux
Alt Score

Alt Score · 81

How this alternative ranks. How it works →

Verified coverage 90%79
Visibility 10%100

Verified coverage = sourced yes and partial answers in the category checklist. Visibility = relative app-page views on AltCatalog over 30 days, neutral below 500 category views. Payment, votes, and vendor opinions are never score inputs.

05

Local chatbot runner from Nomic.

MIT WindowsmacOSLinux
Alt Score

Alt Score · 70

How this alternative ranks. How it works →

Verified coverage 90%67
Visibility 10%100

Verified coverage = sourced yes and partial answers in the category checklist. Visibility = relative app-page views on AltCatalog over 30 days, neutral below 500 category views. Payment, votes, and vendor opinions are never score inputs.

06

Self-hosted chat UI for local and API models.

Open WebUI License (BSD-3-Clause-based with branding restriction) LinuxWindowsmacOSWeb
Alt Score

Alt Score · 66

How this alternative ranks. How it works →

Verified coverage 90%62
Visibility 10%100

Verified coverage = sourced yes and partial answers in the category checklist. Visibility = relative app-page views on AltCatalog over 30 days, neutral below 500 category views. Payment, votes, and vendor opinions are never score inputs.

Feature comparison

Rows come from the Local LLM runners checklist (16 rows). Human-verified cells only. ? means the value has not been verified.

Comparing Ollama LocalAI × Jan × LM Studio × llama.cpp × GPT4All ×
+ Add app
Open WebUI
Local LLM runners checklist OllamaLocalAIJanLM Studiollama.cppGPT4All
Pricing model
Starts at
License
Platforms
GGUF model support
GPU acceleration
OpenAI-compatible API server
Built-in model library
Chat UI included
CLI
Multi-modal (vision) support
Quantization options
Runs fully offline
Open source
Model fine-tuning
Hardware requirements shown
verified pending unknown (?) Click any cell to view its source or propose a value
Sources & verification 16

Every fact and feature listed for Ollama is verified against its own pages. Each alternative is sourced on its own page.

FAQ

Yes. LocalAI, Jan and LM Studio have a free tier or are fully free. Free-tier limits in the comparison table are verified and dated.

LocalAI, Jan and LM Studio — every license claim links its source.