# Bench

Use the `ably bench` command group to run performance benchmarking tests. These commands enable you to measure publishing and subscribing throughput on Ably channels.

## Run benchmark tests 

Use the following commands to measure publishing and subscribing throughput on Ably channels:

| Command | Description |
| ------- | ----------- |
| [`ably bench publisher`](https://ably.com/docs/cli/bench/publisher.md) | Run a publisher benchmark test. |
| [`ably bench subscriber`](https://ably.com/docs/cli/bench/subscriber.md) | Run a subscriber benchmark test. |

## See also

* [CLI reference](https://ably.com/docs/cli.md) — Full list of available commands.

## Documentation Index

To discover additional Ably documentation:

1. Fetch [llms.txt](https://ably.com/llms.txt) for the canonical list of available pages.
2. Identify relevant URLs from that index.
3. Fetch target pages as needed.

Avoid using assumed or outdated documentation paths.