llama.cpp vs Jan
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. llama.cpp starts at Free and Jan starts at Free. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- GGUF format
- Low-bit quantization
- Many GPU backends
- OpenAI-compatible server
- Built-in web UI
- Offline model runs
- Local API server
- MCP tools
- Cloud API connections
- No account needed
| Feature | llama.cpp | Jan |
|---|---|---|
| Best for | C/C++ engine for running LLMs efficiently on CPUs and GPUs | Open-source ChatGPT alternative that runs models fully offline |
| Category | Models & APIs | Models & APIs |
| Pricing model | Free | Free |
| Starting price | Free | Free |
| Free plan | Yes, fully free | Yes, fully free |
| Made by | ggml-org | Menlo Research |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
llama.cpp starts at Free and Jan starts at Free. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
llama.cpp
- Runs on modest hardware
- Very fast new-model support
- Foundation of many apps
- Command-line heavy
- Build options can confuse
- Less suited to high-concurrency serving
Jan
- Fully offline and private
- Free and open source
- Clean interface
- Fewer features than LM Studio
- Updates can change settings
- Needs decent hardware
Which one should you choose?
Choose llama.cpp if you want:
- Runs on modest hardware
- Very fast new-model support
- Foundation of many apps
Watch out: command-line heavy.
Choose Jan if you want:
- Fully offline and private
- Free and open source
- Clean interface
Watch out: fewer features than lm studio.
llama.cpp vs Jan FAQ
What is the difference between llama.cpp and Jan?
llama.cpp: C/C++ engine for running LLMs efficiently on CPUs and GPUs. Jan: Open-source ChatGPT alternative that runs models fully offline. Both are models & apis tools.
Is llama.cpp or Jan cheaper?
llama.cpp starts at Free and Jan starts at Free. Check both pricing pages for current plans.
Do llama.cpp and Jan have free plans?
llama.cpp: Yes, fully free. Jan: Yes, fully free.
Who makes llama.cpp?
llama.cpp is made by ggml-org.
Who makes Jan?
Jan is made by Menlo Research.
Which should I choose, llama.cpp or Jan?
Choose llama.cpp if you value runs on modest hardware and very fast new-model support. Choose Jan if you value fully offline and private and free and open source.