# bifrost vs steel-browser
_Agent Infrastructure · independent comparison_

> bifrost and steel-browser are both open-source agent infrastructure you can self-host for free. bifrost is written primarily in Go; steel-browser in TypeScript. Neither is universally better — pick by fit.

## Side by side

**bifrost**
- Open source · Infrastructure · 7.5k★ · Go · Apache-2.0 · active 7 days ago
- [listing](https://agentsearchengine.app/agents/bifrost) · [official](https://www.getmaxim.ai/bifrost)

**steel-browser**
- Open source · Infrastructure · 7.5k★ · TypeScript · Apache-2.0 · active 12 days ago
- [listing](https://agentsearchengine.app/agents/steel-browser) · [official](https://steel.dev)

## Key differences

- bifrost is written primarily in Go; steel-browser in TypeScript.

## Which to choose

**Choose bifrost if:** your team works primarily in Go.

**Choose steel-browser if:** your team works primarily in TypeScript.

## FAQ

**What's the main difference between bifrost and steel-browser?**
bifrost is written primarily in Go; steel-browser in TypeScript.

**Is bifrost or steel-browser better?**
Neither is universally better. bifrost is the stronger fit for teams working primarily in Go; steel-browser for teams working primarily in TypeScript. Use the side-by-side specs to decide by your own constraints.

**Is bifrost or steel-browser free?**
bifrost is free to run and self-host; steel-browser is free to run and self-host. Both are free to self-host — you only pay for the infrastructure and any model or API usage.

**Which is more popular, bifrost or steel-browser?**
By GitHub stars — a proxy for open-source adoption — steel-browser is ahead (7.5k vs 7.5k). Stars measure attention, not necessarily the better fit for you.

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Source: [Agent Search Engine](https://agentsearchengine.app) — https://agentsearchengine.app/compare/bifrost-vs-steel-browser