head to head · open source
grpc-gateway vs optillm
grpc-gateway has 20,009 GitHub stars, 2,412 forks, 149 open issues and last shipped yesterday. optillm has 4,337 stars, 398 forks, 23 open issues and last shipped 3 days ago. grpc-gateway leads on adoption by 361% (20,009 vs 4,337 stars). grpc-gateway is written in Go under BSD-3-Clause; optillm is written in Python under Apache-2.0. grpc-gateway has attracted 12% as many forks as stars, optillm 9%. grpc-gateway was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| grpc-gateway | optillm | |
|---|---|---|
| GitHub stars | ★ 20K | ★ 4.3K |
| License | BSD-3-Clause | Apache-2.0 |
| Written in | Go | Python |
| Last push | 2026-11-04 | 2026-11-02 |
| Forks | ⑂ 2.4K | ⑂ 398 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick grpc-gateway if
- You weight community size — 20K stars and counting
- You want the BSD-3-Clause license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick optillm if
- You want the optillm feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and optillm fits your workflow better
About grpc-gateway
gRPC Gateway gRPC to JSON proxy generator following the gRPC HTTP spec About The gRPC Gateway is a plugin of the Google protocol buffers compiler protoc. It reads protobuf service definitions and generates a reverse proxy server which translates a RESTful HTTP API into gRPC. This server is generated according to the google.api.http annotations in your service definitions. This helps you provide your APIs in both gRPC and RESTful style at the same time. Docs You can read our docs at: Testimonials We use the gRPC Gateway to serve millions of API requests per day, and have been since 2018 and through all of that…
read the full grpc-gateway overview →
About optillm
OptiLLM 🚀 2 10x accuracy improvements on reasoning tasks with zero training 🤗 HuggingFace Space • 📓 Colab Demo • 💬 Discussions OptiLLM is an OpenAI API compatible optimizing inference proxy that implements 20+ state of the art techniques to dramatically improve LLM accuracy and performance on reasoning tasks without requiring any model training or fine tuning. It is possible to beat the frontier models using these techniques across diverse tasks by doing additional compute at inference time. A good example of how to combine such techniques together is the CePO approach from Cerebras. ✨ Key Features 🎯…
read the full optillm overview →
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Frequently asked questions
Is grpc-gateway or optillm more popular?
grpc-gateway has 20,009 GitHub stars and optillm has 4,337. grpc-gateway has the larger community by that measure.
Are grpc-gateway and optillm free?
Both are open source. grpc-gateway is licensed under BSD-3-Clause and optillm under Apache-2.0. Neither carries a licence fee.
What is the difference between grpc-gateway and optillm?
grpc-gateway is written in Go and optillm in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, grpc-gateway or optillm?
Choose grpc-gateway if you want the larger community (20,009 stars) or its BSD-3-Clause licence terms. Choose optillm if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.