# Agent-S vs midscene
_Browser & Computer Use · independent comparison_

> Agent-S and midscene are both open-source browser & computer use you can self-host for free. Agent-S is written primarily in Python; midscene in TypeScript. Neither is universally better — pick by fit.

## Side by side

**Agent-S**
- Open source · Framework · 12k★ · Python · Apache-2.0 · active 19 days ago
- Best for: Benchmark-leading computer-use automation driven by screenshots.
- Avoid if: You run multiple monitors — the agent is designed for single-monitor screens.
- [listing](https://agentsearchengine.app/agents/agent-s) · [official](https://www.simular.ai)

**midscene**
- Open source · Agent · 15k★ · TypeScript · MIT · active 2 days ago
- Best for: Writing UI tests in natural language across web, iOS, and Android.
- [listing](https://agentsearchengine.app/agents/midscene) · [official](https://midscenejs.com)

## Key differences

- Agent-S is written primarily in Python; midscene in TypeScript.
- Licensing differs: Agent-S is Apache-2.0, midscene is MIT.

## Which to choose

**Choose Agent-S if:** Benchmark-leading computer-use automation driven by screenshots.

**Choose midscene if:** Writing UI tests in natural language across web, iOS, and Android.

## FAQ

**What's the main difference between Agent-S and midscene?**
Agent-S is written primarily in Python; midscene in TypeScript.

**Is Agent-S or midscene better?**
Neither is universally better. Agent-S is the stronger fit for Benchmark-leading computer-use automation driven by screenshots; midscene for Writing UI tests in natural language across web, iOS, and Android. Use the side-by-side specs to decide by your own constraints.

**Is Agent-S or midscene free?**
Agent-S is free to run and self-host; midscene 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, Agent-S or midscene?**
By GitHub stars — a proxy for open-source adoption — midscene is ahead (15k vs 12k). 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/agent-s-vs-midscene