head to head · open source
huginn vs cost-xray
huginn has 50,269 GitHub stars, 4,339 forks, 698 open issues and last shipped yesterday. cost-xray has 5,825 stars, 375 forks, 13 open issues and last shipped yesterday. huginn leads on adoption by 763% (50,269 vs 5,825 stars). huginn is written in Ruby under MIT; cost-xray is written in Python under MIT. huginn has attracted 9% as many forks as stars, cost-xray 6%. cost-xray 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
| huginn | cost-xray | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 5.8K |
| License | MIT | MIT |
| Written in | Ruby | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 4.3K | ⑂ 375 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick huginn if
- You weight community size — 50K stars and counting
- You want the MIT license terms
- Your stack matches Ruby
- You value the larger contributor base for long-term maintenance
pick cost-xray if
- You want the cost-xray feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and cost-xray fits your workflow better
About huginn
What is Huginn? Huginn is a system for building agents that perform automated tasks for you online. They can read the web, watch for events, and take actions on your behalf. Huginn's Agents create and consume events, propagating them along a directed graph. Think of it as a hackable version of IFTTT or Zapier on your own server. You always know who has your data. You do. Here are some of the things that you can do with Huginn: Track the weather and get an email when it's going to rain (or snow) tomorrow ("Don't forget your umbrella!") List terms that you care about and receive email when their occurrence on…
read the full huginn overview →
About cost-xray
cost xray See what your AI coding agent actually sends to the API — and what each part costs. Most usage tools read local logs. That shows the total cost of a call or session, but it misses the request time context assembled before the model is invoked: system prompts, tool schemas, MCP blocks, tool results, cache reads/writes, and previous thinking blocks. cost xray captures the actual local API traffic for Claude Code and Codex, then attributes tokens and dollars back to the sources inside the request. It shows not just how much a turn cost, but why it cost that much. Home — every session by agent · project ·…
read the full cost-xray overview →
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Frequently asked questions
Is huginn or cost-xray more popular?
huginn has 50,269 GitHub stars and cost-xray has 5,825. huginn has the larger community by that measure.
Are huginn and cost-xray free?
Both are open source. huginn is licensed under MIT and cost-xray under MIT. Neither carries a licence fee.
What is the difference between huginn and cost-xray?
huginn is written in Ruby and cost-xray 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, huginn or cost-xray?
Choose huginn if you want the larger community (50,269 stars) or its MIT licence terms. Choose cost-xray if its feature set, stack or MIT licence fits better. Both are self-hostable.