llama.cpp vs New API

A side-by-side comparison of two self-hosted local llm runners options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
Featurellama.cppNew API
Deploy effortUnder-an-hour setupUnder-an-hour setup
Health score100 · Excellent100 · Excellent
CategoryLocal LLM RunnersLocal LLM Runners
LicenseMITMIT
LanguageC++Go
Setup difficultyHardMedium
Min. RAM8,192 MB512 MB
Deploymentbinary, bare-metal, dockerdocker
GitHub stars★ 129,361★ 48,815
First released20232024
ReplacesOpenAI APIOpenRouter, OpenAI API

What are llama.cpp and New API?

llama.cpp

llama.cpp is a C/C++ inference engine for running LLaMA-family and many other models efficiently on CPUs and GPUs. It pioneered the GGUF quantized model format and powers a large portion of the local-AI ecosystem.

  • GGUF quantization
  • Runs on modest hardware
  • Built-in HTTP server
  • Broad GPU backend support

Read the full llama.cpp guide →

New API

New API is a large-model interface management and distribution system derived from One API, providing an OpenAI-compatible gateway with richer billing, rendering and provider support. It is designed for running a self-hosted AI relay service.

  • OpenAI-compatible relay
  • Multi-provider channels
  • Detailed billing
  • Modern dashboard

llama.cpp vs New API: key differences

Llama.cpp is written in C++, while New API is built with Go. New API is the lighter option, starting around 512 MB of RAM against 8,192 MB for llama.cpp. Llama.cpp has the considerably larger community, at 129,361 GitHub stars versus 48,815.

Why pick each one

Choose llama.cpp if…

  • Runs on modest CPUs
  • Broad hardware support
  • Pioneered GGUF quantization

Watch out for

  • Command-line focused
  • Frequent breaking changes
llama.cpp details

Choose New API if…

  • OpenAI-compatible gateway
  • Broad provider support
  • Built-in billing and quotas

Watch out for

  • Docs primarily Chinese
  • Niche relay use case
New API details

Frequently asked questions

Is llama.cpp or New API better?

Neither is universally better. llama.cpp has the larger community, while New API is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.

Are llama.cpp and New API free and open-source?

Yes. llama.cpp is licensed under MIT and New API under MIT. Both can be self-hosted at no software cost.

Can I run llama.cpp and New API with Docker?

llama.cpp: yes. New API: yes.

Which is lighter on resources, llama.cpp or New API?

New API has the smaller minimum footprint at 512 MB of RAM, compared to about 8,192 MB for llama.cpp. Real-world usage depends on library size, user count, and enabled features.

Related comparisons