# Modal review

> Modal is a serverless cloud platform with official Python, JavaScript/TypeScript, and Go SDKs for running compute-intensive code and AI workloads.

Devtoolwatch Board, the week of Oct 25–31, 2026. Canonical page: https://index.devtoolwatch.com/tools/modal/

## TL;DR

Modal is a serverless cloud for engineers and researchers who want to build compute-intensive applications without managing infrastructure. Its Python SDK deploys serverless applications, and its JS and Go SDKs work with Sandboxes and deployed Functions. Modal also ships an official skill that helps coding agents use its features.

## Modal at a glance

- **Category:** [Sandboxes and runtimes](https://index.devtoolwatch.com/categories/sandboxes-and-runtimes/)
- **Maintained by:** Modal Labs (organization, [@modal-labs](https://github.com/modal-labs) on GitHub)
- **License:** Apache 2.0
- **Language:** Python, Go, TypeScript
- **Repository:** [github.com/modal-labs/modal-client](https://github.com/modal-labs/modal-client)
- **Website:** [modal.com/docs](https://modal.com/docs)
- **PyPI package:** [modal](https://pypi.org/project/modal/) 1.6.2
- **Latest release:** [modal 1.6.2](https://pypi.org/project/modal/) on PyPI, Oct 16, 2026
- **First published:** Oct 18, 2022

## What Modal does

- Modal's Python SDK deploys serverless applications and lets you interact with the Modal platform programmatically.
- Modal runs generative AI models, large-scale batch workflows, and job queues in its serverless cloud.
- Modal's JavaScript/TypeScript and Go SDKs use Modal Sandboxes, invoke deployed Modal Functions, and interact with some platform resources.
- Modal Sandboxes can run coding agents at scale, according to the featured examples.
- Modal's documentation includes examples for serving an OpenAI-compatible LLM service.
- Modal includes a `modal` CLI with the Python package. The CLI also installs an official skill for coding agents.

### How it works

Modal is used through its SDKs and CLI. You install the Python package, which includes the `modal` CLI, and write code that deploys to Modal's serverless cloud. JS and Go SDKs connect to Sandboxes and deployed Functions. A Playground lets you run serverless cloud functions from the browser.

## How to install Modal

**With uv**

```
uv pip install modal
```

**Standalone CLI**

```
curl -LsSf uvx.sh/modal/install.sh | sh
```

**Agent skill via npx**

```
npx skills add modal-labs/modal-client
```

### Requirements

- Python >=3.10 and <3.16 for the Python SDK.
- A Modal account. The documentation site offers sign-up and log-in.

### First steps

1. Install the Python package with `uv pip install modal`. The package includes the `modal` CLI.
2. Sign up for a Modal account from the documentation site.
3. Follow the user guide or try the interactive Playground tutorials to run your first serverless function.
4. Optionally run `modal skills install` to give coding agents version-aligned Modal documentation.

## Who Modal is for

- Engineers and researchers building compute-intensive applications without managing infrastructure.
- Teams serving LLMs, diffusion models, or batch inference workloads.
- Developers running AI coding agents in isolated Sandboxes at scale.

### Limitations

- Modal's JS and Go SDKs cover Sandboxes, Function invocation, and only some platform resources. Deploying applications is described for the Python SDK.
- Modal's skill installed via `npx skills` does not include versioning or reference documentation.
- Modal runs code on its own hosted cloud platform, so you need a Modal account to use it.

## Usage data (the week of Oct 25–31, 2026)

- Board rank: #281 overall, #10 in Sandboxes and runtimes, momentum score 34
- Downloads that week: 11.1M (+2% vs 4-week average)
- New GitHub stars per week (last 12 weeks): Aug 9: 4; Aug 16: 6; Aug 23: 2; Aug 30: 3; Sep 6: 2; Sep 13: 1; Sep 20: 4; Sep 27: 5; Oct 4: 1; Oct 11: 2; Oct 18: 3; Oct 25: 3

## Modal alternatives

| Rank | Tool | Stars | Downloads/wk |
|---|---|---|---|
| #1 | [OpenSandbox](https://index.devtoolwatch.com/tools/opensandbox-group-opensandbox/) | 16.3k | 328.9k |
| #2 | [microsandbox](https://index.devtoolwatch.com/tools/microsandbox/) | 8.9k | 26.8k |
| #3 | [E2B](https://index.devtoolwatch.com/tools/e2b/) | 14.6k | 5M |
| #4 | [Agent Sandbox](https://index.devtoolwatch.com/tools/kubernetes-sigs-agent-sandbox/) | 4.5k | – |
| #5 | [Trigger.dev](https://index.devtoolwatch.com/tools/trigger-dev/) | 16.7k | 1.7M |
| #6 | [Inngest](https://index.devtoolwatch.com/tools/inngest/) | 6k | 3.7M |

## Modal FAQ

### Is Modal free and open source?

Yes. Modal's source code is on GitHub (modal-labs/modal-client) under the Apache 2.0 license, so you can use it for free. Its website also links to a pricing page (https://modal.com/pricing) for any paid plans.

### How do I install Modal?

Run `uv pip install modal`. The modal package needs Python 3.10 or newer, below 3.16. The install section above has the other options from the project's README.

### Is Modal still maintained?

Yes. The modal-labs/modal-client repository was last updated on Oct 21, 2026, and the latest release, modal 1.6.2 on PyPI, came out on Oct 16, 2026.

### How popular is Modal?

Modal has 531 GitHub stars as of Nov 1, 2026. It gained 3 new stars in the week of Oct 25–31, 2026, against a 12-week average of 3 a week. Its main package had 11.1M downloads that week, +2% against its own 4-week average. That made it #10 among AI sandboxes and runtimes on the Devtoolwatch Board.

### What are the best alternatives to Modal?

Other AI sandboxes and runtimes on the Devtoolwatch Board in the week of Oct 25–31, 2026, by momentum: OpenSandbox (#1), microsandbox (#2), E2B (#3), Agent Sandbox (#4), Trigger.dev (#5). The alternatives table above has their numbers.

### What is Modal used for?

Modal is used to run compute-intensive code in a serverless cloud. Its documentation names generative AI models, large-scale batch workflows, job queues, LLM serving, and coding agents in Sandboxes as use cases.

### Which languages does Modal support?

Modal has official SDKs for Python, JavaScript/TypeScript, and Go. The Python SDK deploys applications. The JS and Go SDKs use Sandboxes, invoke deployed Functions, and interact with some platform resources.

### How do I get support for Modal?

Modal's README directs usage questions and other support requests to the Modal Slack community. The online documentation includes a user guide and example applications.

### Can coding agents use Modal?

Yes. Modal distributes an official skill for coding agents. Install it with `modal skills install` to get version-aligned reference documentation.

## Sources

1. [modal-labs/modal-client on GitHub](https://github.com/modal-labs/modal-client)
2. [Modal README](https://github.com/modal-labs/modal-client/blob/main/README.md)
3. [modal on PyPI](https://pypi.org/project/modal/)
4. [Modal website](https://modal.com/docs)
5. [Hacker News: DoppelBot: Replace Your CEO with an LLM](https://news.ycombinator.com/item?id=42933256)
6. [Hacker News: The Missing Nvidia GPU Glossary](https://news.ycombinator.com/item?id=42675529)
7. [Hacker News: 'I paid for the whole GPU, I am going to use the whole GPU'](https://news.ycombinator.com/item?id=43920544)
8. [Devtoolwatch Board, the week of Oct 25–31, 2026](https://index.devtoolwatch.com/)