diff --git a/.gitignore b/.gitignore
index 1bcc5e25..ff56062c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,6 +14,7 @@ tap-testdir*/
 !/.gitignore
 !/.npmrc
 !/.release-please-manifest.json
+!/benchmarks
 !/bin/
 !/CHANGELOG*
 !/classes/
diff --git a/benchmarks/bench-compare.js b/benchmarks/bench-compare.js
new file mode 100644
index 00000000..2dfc0900
--- /dev/null
+++ b/benchmarks/bench-compare.js
@@ -0,0 +1,48 @@
+const Benchmark = require('benchmark')
+const SemVer = require('../classes/semver')
+const suite = new Benchmark.Suite()
+
+const versions = ['1.0.3', '2.2.2', '2.3.0']
+const versionToCompare = '1.0.2'
+const option1 = { includePrelease: true }
+const option2 = { includePrelease: true, loose: true }
+const option3 = { includePrelease: true, loose: true, rtl: true }
+
+for (const version of versions) {
+  suite.add(`compare ${version} to ${versionToCompare}`, function () {
+    const semver = new SemVer(version)
+    semver.compare(versionToCompare)
+  })
+}
+
+for (const version of versions) {
+  suite.add(
+    `compare ${version} to ${versionToCompare} with option (${JSON.stringify(option1)})`,
+    function () {
+      const semver = new SemVer(version, option1)
+      semver.compare(versionToCompare)
+    })
+}
+
+for (const version of versions) {
+  suite.add(`compare ${version} to ${versionToCompare} with option (${JSON.stringify(option2)})`,
+    function () {
+      const semver = new SemVer(version, option2)
+      semver.compare(versionToCompare)
+    })
+}
+
+for (const version of versions) {
+  suite.add(
+    `compare ${version} to ${versionToCompare} with option (${JSON.stringify(option3)})`,
+    function () {
+      const semver = new SemVer(version, option3)
+      semver.compare(versionToCompare)
+    })
+}
+
+suite
+  .on('cycle', function (event) {
+    console.log(String(event.target))
+  })
+  .run({ async: false })
diff --git a/benchmarks/bench-diff.js b/benchmarks/bench-diff.js
new file mode 100644
index 00000000..97d74441
--- /dev/null
+++ b/benchmarks/bench-diff.js
@@ -0,0 +1,21 @@
+const Benchmark = require('benchmark')
+const diff = require('../functions/diff')
+const suite = new Benchmark.Suite()
+
+const cases = [
+  ['0.0.1', '0.0.1-pre', 'patch'],
+  ['0.0.1', '0.0.1-pre-2', 'patch'],
+  ['1.1.0', '1.1.0-pre', 'minor'],
+]
+
+for (const [v1, v2] of cases) {
+  suite.add(`diff(${v1}, ${v2})`, function () {
+    diff(v1, v2)
+  })
+}
+
+suite
+  .on('cycle', function (event) {
+    console.log(String(event.target))
+  })
+  .run({ async: false })
diff --git a/benchmarks/bench-parse-options.js b/benchmarks/bench-parse-options.js
new file mode 100644
index 00000000..41ab232c
--- /dev/null
+++ b/benchmarks/bench-parse-options.js
@@ -0,0 +1,33 @@
+const Benchmark = require('benchmark')
+const parseOptions = require('../internal/parse-options')
+const suite = new Benchmark.Suite()
+
+const options1 = {
+  includePrerelease: true,
+}
+
+const options2 = {
+  includePrerelease: true,
+  loose: true,
+}
+
+const options3 = {
+  includePrerelease: true,
+  loose: true,
+  rtl: false,
+}
+
+suite
+  .add('includePrerelease', function () {
+    parseOptions(options1)
+  })
+  .add('includePrerelease + loose', function () {
+    parseOptions(options2)
+  })
+  .add('includePrerelease + loose + rtl', function () {
+    parseOptions(options3)
+  })
+  .on('cycle', function (event) {
+    console.log(String(event.target))
+  })
+  .run({ async: false })
diff --git a/benchmarks/bench-parse.js b/benchmarks/bench-parse.js
new file mode 100644
index 00000000..e4180c44
--- /dev/null
+++ b/benchmarks/bench-parse.js
@@ -0,0 +1,25 @@
+const Benchmark = require('benchmark')
+const parse = require('../functions/parse')
+const { MAX_SAFE_INTEGER } = require('../internal/constants')
+const suite = new Benchmark.Suite()
+
+const cases = ['1.2.1', '1.2.2-4', '1.2.3-pre']
+const invalidCases = [`${MAX_SAFE_INTEGER}0.0.0`, 'hello, world', 'xyz']
+
+for (const test of cases) {
+  suite.add(`parse(${test})`, function () {
+    parse(test)
+  })
+}
+
+for (const test of invalidCases) {
+  suite.add(`invalid parse(${test})`, function () {
+    parse(test)
+  })
+}
+
+suite
+  .on('cycle', function (event) {
+    console.log(String(event.target))
+  })
+  .run({ async: false })
diff --git a/benchmarks/bench-satisfies.js b/benchmarks/bench-satisfies.js
new file mode 100644
index 00000000..a95a2c30
--- /dev/null
+++ b/benchmarks/bench-satisfies.js
@@ -0,0 +1,39 @@
+const Benchmark = require('benchmark')
+const satisfies = require('../functions/satisfies')
+const suite = new Benchmark.Suite()
+
+const versions = ['1.0.3||^2.0.0', '2.2.2||~3.0.0', '2.3.0||<4.0.0']
+const versionToCompare = '1.0.6'
+const option1 = { includePrelease: true }
+const option2 = { includePrelease: true, loose: true }
+const option3 = { includePrelease: true, loose: true, rtl: true }
+
+for (const version of versions) {
+  suite.add(`satisfies(${versionToCompare}, ${version})`, function () {
+    satisfies(versionToCompare, version)
+  })
+}
+
+for (const version of versions) {
+  suite.add(`satisfies(${versionToCompare}, ${version}, ${JSON.stringify(option1)})`, function () {
+    satisfies(versionToCompare, version, option1)
+  })
+}
+
+for (const version of versions) {
+  suite.add(`satisfies(${versionToCompare}, ${version}, ${JSON.stringify(option2)})`, function () {
+    satisfies(versionToCompare, version, option2)
+  })
+}
+
+for (const version of versions) {
+  suite.add(`satisfies(${versionToCompare}, ${version}, ${JSON.stringify(option3)})`, function () {
+    satisfies(versionToCompare, version, option3)
+  })
+}
+
+suite
+  .on('cycle', function (event) {
+    console.log(String(event.target))
+  })
+  .run({ async: false })
diff --git a/benchmarks/bench-subset.js b/benchmarks/bench-subset.js
new file mode 100644
index 00000000..f8825fae
--- /dev/null
+++ b/benchmarks/bench-subset.js
@@ -0,0 +1,25 @@
+const Benchmark = require('benchmark')
+const subset = require('../ranges/subset')
+const suite = new Benchmark.Suite()
+
+// taken from tests
+const cases = [
+  // everything is a subset of *
+  ['1.2.3', '*', true],
+  ['^1.2.3', '*', true],
+  ['^1.2.3-pre.0', '*', false],
+  ['^1.2.3-pre.0', '*', true, { includePrerelease: true }],
+  ['1 || 2 || 3', '*', true],
+]
+
+for (const [sub, dom] of cases) {
+  suite.add(`subset(${sub}, ${dom})`, function () {
+    subset(sub, dom)
+  })
+}
+
+suite
+  .on('cycle', function (event) {
+    console.log(String(event.target))
+  })
+  .run({ async: false })
diff --git a/package.json b/package.json
index f00c6bdd..bec6c7df 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
   "devDependencies": {
     "@npmcli/eslint-config": "^4.0.0",
     "@npmcli/template-oss": "4.21.3",
+    "benchmark": "^2.1.4",
     "tap": "^16.0.0"
   },
   "license": "ISC",
@@ -71,7 +72,8 @@
       "/ranges/",
       "/index.js",
       "/preload.js",
-      "/range.bnf"
+      "/range.bnf",
+      "/benchmarks"
     ],
     "publish": "true"
   }