head to head · open source
gpt-load vs mockserver-monorepo
gpt-load has 6,865 GitHub stars, 759 forks, 21 open issues and last shipped today. mockserver-monorepo has 4,973 stars, 1,116 forks, 6 open issues and last shipped today. gpt-load leads on adoption by 38% (6,865 vs 4,973 stars). gpt-load is written in Go under MIT; mockserver-monorepo is written in Java under Apache-2.0. gpt-load has attracted 11% as many forks as stars, mockserver-monorepo 22%. gpt-load was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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
| gpt-load | mockserver-monorepo | |
|---|---|---|
| GitHub stars | ★ 6.9K | ★ 5.0K |
| License | MIT | Apache-2.0 |
| Written in | Go | Java |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 759 | ⑂ 1.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick gpt-load if
- You weight community size — 6.9K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick mockserver-monorepo if
- You want the mockserver-monorepo feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and mockserver-monorepo fits your workflow better
About gpt-load
GPT Load is a self hosted AI gateway written in Go and released under the MIT license. It gives applications a single entry point — one base URL and one AccessKey — for reaching many AI providers at once. Providers, accounts, credentials, models, and routing policy are configured in the bundled management UI rather than in application code.
read the full gpt-load overview →
About mockserver-monorepo
MockServer is an Apache 2.0 HTTP(S) mock server and proxy that lets teams mock the APIs their applications depend on, inspect and modify live traffic, and inject failures, and it is aimed at developers, QA engineers, and platform teams testing software built on the JVM.
read the full mockserver-monorepo overview →
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Frequently asked questions
Is gpt-load or mockserver-monorepo more popular?
gpt-load has 6,865 GitHub stars and mockserver-monorepo has 4,973. gpt-load has the larger community by that measure.
Are gpt-load and mockserver-monorepo free?
Both are open source. gpt-load is licensed under MIT and mockserver-monorepo under Apache-2.0. Neither carries a licence fee.
What is the difference between gpt-load and mockserver-monorepo?
gpt-load is written in Go and mockserver-monorepo in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, gpt-load or mockserver-monorepo?
Choose gpt-load if you want the larger community (6,865 stars) or its MIT licence terms. Choose mockserver-monorepo if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.