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Vegeta

HTTP load testing tool and library.

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Page copy revised 25 Oct 2026 from public sources. Refresh checks the live site and, when this entry has a GitHub repository, the latest release.

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Introduction

Vegeta is a versatile HTTP load testing tool built out of a need to drill HTTP services with a constant request rate. It’s over 9000!

The latest GitHub release listed on 25 Oct 2026 was v12.13.0, published 2025-10-31.

Features

These items are quoted from public documentation fetched on 25 Oct 2026. Taken from the repository README section “Features”.

  1. Usable as a command line tool and a Go: Usable as a command line tool and a Go library.
  2. CLI designed with UNIX composability in: CLI designed with UNIX composability in mind.
  3. Avoids nasty Coordinated: Avoids nasty Coordinated Omission.
  4. Extensive reporting: Extensive reporting functionality.
  5. Simple to use for distributed load: Simple to use for distributed load testing.
  6. Easy to install and run (static binary, package managers,: Easy to install and run (static binary, package managers, etc).

Pros

Points stated in the public sources fetched on 25 Oct 2026:

  1. Published license: The GitHub repository lists MIT License (MIT).
  2. Repository topics: The repository’s GitHub topics include benchmarking, go, http, load-testing.

Cons

Limits stated by the project:

  1. Prometheus scrapes metrics from a running vegeta attack process and: Prometheus scrapes metrics from a running vegeta attack process and assigns timestamps to samples on its server. This means result timestamps aren’t accurate (i.e. they’re scraping time, not result time).
  2. Configuring Prometheus to scrape vegeta needs to happen out-of-band: Configuring Prometheus to scrape vegeta needs to happen out-of-band. That’s a hassle!
  3. Since there’s no coordination between a vegeta attack process and a: Since there’s no coordination between a vegeta attack process and a Prometheus server, an attack process will finish before Prometheus has the chance to scrape the latest observations.

The repository README includes this example (from “Source”):

git clone https://github.com/tsenart/vegeta
cd vegeta
make vegeta
mv vegeta ~/bin # Or elsewhere, up to you.

Resources:

Pricing

The repository lists MIT License (MIT). No public price was found on the pages fetched on 25 Oct 2026. This rewrite does not guess a number. Check the official website before treating the tool as free or paid.

The fetched pages do not name a target audience. Decide fit from the official description and the feature list above.

Conclusion

Vegeta is summarized by its public description as: “HTTP load testing tool and library.”.

The latest GitHub release listed was v12.13.0, published 2025-10-31.

This page was rebuilt on 25 Oct 2026 from pkg.go.dev, github.com. It keeps only what those pages stated. Confirm the current product, license, and price on the official site before you adopt it.