macOS
brew install ohalocal Homebrew formula metadata
sudo port install ohaMacPorts ports tree · net/oha/Portfile · source: api.github.com
brew / rank 1843
HTTP load generator, inspired by rakyll/hey with tui animation. Version 1.15.0 via Homebrew; verified 2026-07-11. Also installable with nix: nix profile install nixpkgs#oha.
install
brew install ohalocal Homebrew formula metadata
sudo port install ohaMacPorts ports tree · net/oha/Portfile · source: api.github.com
sudo apk add ohaAlpine Linux edge package indexes · oha · source: dl-cdn.alpinelinux.org
nix profile install nixpkgs#ohanixpkgs package indexes · pkgs/by-name/oh/oha/package.nix · source: api.github.com
sudo pacman -S ohaArch Linux sync databases · oha · source: geo.mirror.pkgbuild.com
scoop install main/ohaScoop official bucket manifest trees · bucket/oha.json · source: api.github.com
winget install --id hatoo.oha -eWindows Package Manager source index · hatoo.oha · source: cdn.winget.microsoft.com
overview
HTTP load generator, inspired by rakyll/hey with tui animation
history
oha, short for Ohayou, is a Rust HTTP load generator that combines hey-style request generation with a live terminal UI. It is aimed at quick HTTP benchmarking from the command line, with concurrency, duration, QPS limiting, HTTP/2, experimental HTTP/3, proxy, TLS, authentication, and request-body options.
The hatoo/oha repository was created on 2020-03-02. Its README explicitly says oha is inspired by rakyll/hey, written in Rust, powered by tokio, and uses ratatui for the TUI.
The hey relationship is important historically: hey is itself described as an ApacheBench replacement that was originally called boom before being renamed to avoid binary-name conflicts. oha keeps the small-load-generator spirit but differentiates itself with animated terminal feedback and a Rust async implementation.
oha crossed from Rust packaging into OS package managers. The README documents cargo install, pre-built GitHub releases, Arch Linux, Homebrew, WinGet, Debian via Azlux's repository, X-CMD, and an official container image. Homebrew Formulae reported stable version 1.14.0 and 5,312 installs in its 365-day analytics window when fetched on 2026-07-01.
GitHub API metadata fetched on 2026-07-01 reported 10,351 stars and 291 forks, which is a strong signal for a focused benchmarking CLI. The repository topics include benchmark, HTTP, HTTP/2, load-generator, load-testing, Rust, TUI, and command-line.
A typical run points oha at a URL and supplies request count, concurrency, duration, QPS, headers, body data, HTTP method, proxy settings, TLS options, redirect limits, or HTTP version flags. By default it displays a live TUI, while --no-tui supports script-friendly runs.
The README notes that oha's -q option is an overall query-per-second limit rather than a per-worker limit, a small but important semantic difference from hey. It also warns users to raise open-file limits for large concurrency values, which places it in the practical load-testing toolbox rather than purely synthetic benchmarking.
oha is package-nerd-significant because it shows the modern Rust CLI distribution pattern: crates.io installation, GitHub release binaries, Homebrew bottles, Arch packaging, WinGet, containers, optional feature flags, and TLS backend choices. It is also a concise example of a tool winning mindshare by improving the UX of an older CLI category rather than inventing a new benchmark model.
security posture
broad file, network, media, or database tool signal.
blue risk · medium confidence · tool
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
oha | executable | indexed executable | Discovered from the local executable index. |
freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
install metadata
| Package key | brew:oha |
|---|---|
| Version | 1.15.0 |
| Package manager | Homebrew |
| Homepage | https://github.com/hatoo/oha/ |
| Repository | https://github.com/hatoo/oha |
| Last updated | 2026-07-11T10:21:31Z |
| Pulse | updated |
| Bottle | not recorded |
| Service | none declared |
source database matches
Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.
oha
nix profile install nixpkgs#ohaoha 1.15.0-r0
HTTP load generator with TUI animation
https://github.com/hatoo/oha/tree/master
sudo apk add ohaoha-doc 1.15.0-r0
HTTP load generator with TUI animation (documentation)
https://github.com/hatoo/oha/tree/master
sudo apk add oha-docoha 1.15.0-1
Ohayou(おはよう), HTTP load generator, inspired by rakyll/hey with tui animation
sudo pacman -S ohaoha
sudo port install ohamain/oha
scoop install main/ohahatoo.oha
winget install --id hatoo.oha -esource trail
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View the package source record on GitHub.