head to head · open source
Insomnia vs ruby-openai
Insomnia has 40,111 GitHub stars, 2,388 forks, 874 open issues and last shipped yesterday. ruby-openai has 3,222 stars, 381 forks, 55 open issues and last shipped 6 months ago. Insomnia leads on adoption by 1,145% (40,111 vs 3,222 stars). Insomnia is written in TypeScript under Apache-2.0; ruby-openai is written in Ruby under MIT. Insomnia has attracted 6% as many forks as stars, ruby-openai 12%. Insomnia was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (api-client), 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
| Insomnia | ruby-openai | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 3.2K |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | Ruby |
| Last push | 2026-11-02 | 2026-05-01 |
| Forks | ⑂ 2.4K | ⑂ 381 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Insomnia if
- You weight community size — 40K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick ruby-openai if
- You want the ruby-openai feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Ruby
- You evaluated both and ruby-openai fits your workflow better
About Insomnia
Insomnia API Client Insomnia is an open source, cross platform API client for GraphQL, REST, WebSockets, Server Sent Events (SSE), gRPC and any other HTTP compatible protocol. With Insomnia you can: Debug APIs using the most popular protocols and formats. Design APIs using the native OpenAPI editor and visual preview. Test APIs using native test suites and collection runner. Mock APIs using a cloud or self hosted mocking server. Build CI/CD pipelines using the native Insomnia CLI for linting and testing. Collaborate with others using the many collaboration features. And more including the ability to use 3rd…
read the full Insomnia overview →
About ruby-openai
Ruby OpenAI Use the OpenAI API with Ruby! 🤖❤️ Stream GPT 5 chats with the Responses API, initiate Realtime WebRTC conversations, and much more... Sponsors InferToGo The inference addon for your PaaS application. SerpApi Search API Enhance your LLM's knowledge with data from search engines like Google and Bing using our simple API. 🎮 Ruby AI Builders Discord 🐦 X 🧠 Anthropic Gem 🚂 Midjourney Gem ♥️ Thanks to all sponsors! Contents Ruby OpenAI Contents Project Policies Installation Bundler Gem install How to use Quickstart With Config Custom timeout or base URI Extra Headers per Client Logging Errors Faraday…
read the full ruby-openai overview →
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Frequently asked questions
Is Insomnia or ruby-openai more popular?
Insomnia has 40,111 GitHub stars and ruby-openai has 3,222. Insomnia has the larger community by that measure.
Are Insomnia and ruby-openai free?
Both are open source. Insomnia is licensed under Apache-2.0 and ruby-openai under MIT. Neither carries a licence fee.
What is the difference between Insomnia and ruby-openai?
Insomnia is written in TypeScript and ruby-openai in Ruby. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Insomnia or ruby-openai?
Choose Insomnia if you want the larger community (40,111 stars) or its Apache-2.0 licence terms. Choose ruby-openai if its feature set, stack or MIT licence fits better. Both are self-hostable.