TOOL SIGNAL / ACTIVE

Bombardier

codesenberg

Micro-benchmark CLI Open Source Self-hosted

MAINTAINED BY · codesenberg (GitHub organization/user)

Official site ↗ Source repo ↗
Pricing model
Free; MIT License.
First released
2017
Latest release
v2.0.2
Last verified
Answer

Bombardier is a fast, cross-platform HTTP(S) benchmarking and load-testing tool written in the Go programming language. It is designed to flood web servers with requests to test their performance and can simulate multiple concurrent users. It utilizes the fasthttp library by default for high performance, though it also supports the standard net/http library for specific.

About

Bombardier is a fast, cross-platform HTTP(S) benchmarking and load-testing tool written in the Go programming language. It is designed to flood web servers with requests to test their performance and can simulate multiple concurrent users. It utilizes the fasthttp library by default for high performance, though it also supports the standard net/http library for specific requirements like HTTP/2.x.

Best for

  • Quick HTTP or protocol micro-benchmarks from a single machine
  • Teams that prefer open-source licensing and self-hosting options
  • Groups comfortable scripting in Go

Not the best fit when

  • Full multi-protocol enterprise journeys and rich business-flow reporting
  • Teams unwilling to operate generators, results storage, and scaling

Architecture and concurrency

Bombardier is typically driven as a CLI micro-benchmark with Go. It favors single-host or simple distributed runs rather than enterprise controller grids.

Compare and alternatives

Bombardier alternatives 12 alternatives compared

Features

  • High-performance HTTP(S) benchmarking
  • Cross-platform (Linux, macOS, Windows) support
  • Supports both fasthttp and standard net/http clients
  • Customizable concurrency levels and test duration
  • Supports HTTP/1 and HTTP/2 testing
  • Detailed performance statistics (QPS, latency, throughput)
  • Configurable output formats via user-defined templates

Latest release

v2.0.2 · 2025-03-04

Version 2.0.2 includes a fix for a bug where the --insecure flag was not functioning correctly without custom client certificates.

Pricing

Free and open source (MIT License)

Specs

Scripting
Go
Protocols
HTTPHTTPS
Operating systems
WindowsmacOSLinux
Tags
goclihttp
Repo health
★ 6831 · last push 2026-08-25

Sources

SHOW SOURCES

LAST VERIFIED · 2026-08-11 · GROUNDED VIA EXA · CURATED BY NAVEENKUMAR NAMACHIVAYAM

Frequently asked

ANSWER-SHAPED
Who is Bombardier for?

Bombardier is best for developers who need fast HTTP or protocol micro-benchmarks from a terminal. It is open source, so teams can self-host and extend it. Vendor: codesenberg. Deployment model: self-hosted. Free; MIT License. Confirm details against the official site and a short proof-of-concept in your environment.

How does Bombardier differ from Vegeta?

Compared with Vegeta, both sit in micro-benchmark cli, so shortlist on protocols, team skills, and pricing rather than category alone. Bombardier lists protocols HTTP, HTTPS; Vegeta lists HTTP, HTTPS. Status is active versus active. Use the Test Rig to compare full specs side by side before a proof-of-concept.

What scripting language and concurrency model does Bombardier use?

Bombardier uses Go for scripting or scenario definition. Runtime model: CLI-driven request generation with a lightweight concurrency model suited to single-host benchmarks. OS support: Windows, macOS, Linux. Protocols: HTTP, HTTPS. Match these to how your team already authors tests and which systems you must drive under load.

What is the cloud or enterprise path for Bombardier?

Bombardier is primarily self-hosted; teams typically run generators on their own machines, CI runners, or private cloud. Plan for generator capacity, network access to targets, and result storage yourself. As open source, commercial support or hosted siblings may exist separately. Check the official site. Pricing note: Free; MIT License.

What are known limitations of Bombardier?

Bombardier limitations to weigh: CLI micro-benchmarks excel at raw HTTP throughput but usually lack enterprise scenario orchestration, rich reporting, and multi-protocol suites; self-hosted tools require you to provision, scale, and observe load generators yourself. Status: active. Always validate against your target protocols and scale with a proof-of-concept.