head to head · open source
Ollama vs pegainfer
Ollama has 181,161 GitHub stars, 17,917 forks, 3,957 open issues and last shipped yesterday. pegainfer has 704 stars, 107 forks, 89 open issues and last shipped yesterday. Ollama leads on adoption by 25,633% (181,161 vs 704 stars). Ollama is written in Go under MIT; pegainfer is written in Rust under Apache-2.0. Ollama has attracted 10% as many forks as stars, pegainfer 15%. pegainfer was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (deepseek, llm), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Ollama | pegainfer | |
|---|---|---|
| GitHub stars | ★ 181K | ★ 704 |
| License | MIT | Apache-2.0 |
| Written in | Go | Rust |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 18K | ⑂ 107 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Ollama if
- You weight community size — 181K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick pegainfer if
- You want the pegainfer feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and pegainfer fits your workflow better
About Ollama
Ollama is a Go based, MIT licensed runtime that downloads and runs open source large language models such as DeepSeek, Qwen, Gemma, GLM, MiniMax and gpt oss locally on a user's own machine, and it is aimed at developers and teams that want model inference without routing prompts through a hosted API.
read the full Ollama overview →
About pegainfer
PegaInfer is a pure Rust and CUDA large language model inference engine that serves models ranging from Qwen3 to Kimi K2 behind an OpenAI compatible API, with no PyTorch or Python runtime in the default serving path.
read the full pegainfer overview →
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Frequently asked questions
Is Ollama or pegainfer more popular?
Ollama has 181,161 GitHub stars and pegainfer has 704. Ollama has the larger community by that measure.
Are Ollama and pegainfer free?
Both are open source. Ollama is licensed under MIT and pegainfer under Apache-2.0. Neither carries a licence fee.
What is the difference between Ollama and pegainfer?
Ollama is written in Go and pegainfer in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Ollama or pegainfer?
Choose Ollama if you want the larger community (181,161 stars) or its MIT licence terms. Choose pegainfer if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.