# gateway vs osaurus
_Agent Infrastructure · independent comparison_

> gateway and osaurus are both open-source agent infrastructure you can self-host for free. gateway has wider GitHub adoption — 13k stars vs 7.6k. Neither is universally better — pick by fit.

## Side by side

**gateway**
- Open source · Infrastructure · 13k★ · TypeScript · MIT · active 2 months ago
- Best for: Routing a single fast API across 250+ LLMs from 40+ providers.
- [listing](https://agentsearchengine.app/agents/gateway) · [official](https://portkey.ai/features/ai-gateway)

**osaurus**
- Open source · Infrastructure · 7.6k★ · Swift · MIT · active 2 days ago
- [listing](https://agentsearchengine.app/agents/osaurus) · [official](https://osaurus.ai)

## Key differences

- gateway has wider GitHub adoption — 13k stars vs 7.6k.
- gateway is written primarily in TypeScript; osaurus in Swift.

## Which to choose

**Choose gateway if:** Routing a single fast API across 250+ LLMs from 40+ providers.

**Choose osaurus if:** your team works primarily in Swift.

## FAQ

**What's the main difference between gateway and osaurus?**
gateway has wider GitHub adoption — 13k stars vs 7.6k.

**Is gateway or osaurus better?**
Neither is universally better. gateway is the stronger fit for Routing a single fast API across 250+ LLMs from 40+ providers; osaurus for teams working primarily in Swift. Use the side-by-side specs to decide by your own constraints.

**Is gateway or osaurus free?**
gateway is free to run and self-host; osaurus 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, gateway or osaurus?**
By GitHub stars — a proxy for open-source adoption — gateway is ahead (13k vs 7.6k). 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/gateway-vs-osaurus