diff --git a/packages/runner/src/suite.ts b/packages/runner/src/suite.ts
index 9e737d17d..75fed674a 100644
--- a/packages/runner/src/suite.ts
+++ b/packages/runner/src/suite.ts
@@ -19,7 +19,7 @@ import type {
   TestFunction,
   TestOptions,
 } from './types/tasks'
-import { format, formatRegExp, inspect } from '@vitest/utils/display'
+import { format, formatRegExp, inspect, truncateString } from '@vitest/utils/display'
 import {
   isNegativeNaN,
   isObject,
@@ -1020,9 +1020,9 @@ function formatTitle(template: string, items: any[], idx: number) {
     })
   }
 
-  const inspectOptions: InspectOptions = {
+  const inspectOptions = {
     truncate: runner.config.taskTitleValueFormatTruncate,
-  }
+  } satisfies InspectOptions
 
   const isObjectItem = isObject(items[0])
   function formatAttribute(s: string) {
@@ -1033,6 +1033,10 @@ function formatTitle(template: string, items: any[], idx: number) {
       }
       const arrayElement = isArrayKey ? objectAttr(items, key) : undefined
       const value = isObjectItem ? objectAttr(items[0], key, arrayElement) : arrayElement
+      // print string without quotes
+      if (typeof value === 'string') {
+        return truncateString(value, inspectOptions.truncate)
+      }
       return inspect(value, inspectOptions)
     })
   }
diff --git a/packages/runner/src/types/runner.ts b/packages/runner/src/types/runner.ts
index 1a0be58f7..8eba4cb0c 100644
--- a/packages/runner/src/types/runner.ts
+++ b/packages/runner/src/types/runner.ts
@@ -36,7 +36,7 @@ export interface VitestRunnerConfig {
   chaiConfig: {
     truncateThreshold?: number
   } | undefined
-  taskTitleValueFormatTruncate: number | undefined
+  taskTitleValueFormatTruncate: number
   maxConcurrency: number
   testTimeout: number
   hookTimeout: number
diff --git a/packages/utils/src/display.ts b/packages/utils/src/display.ts
index 2d2b65c2c..2d2816401 100644
--- a/packages/utils/src/display.ts
+++ b/packages/utils/src/display.ts
@@ -265,6 +265,17 @@ export function inspect(
   })
 }
 
+export function truncateString(string: string, maxLength: number): string {
+  if (string.length <= maxLength) {
+    return string
+  }
+  let end = maxLength - 1
+  if (isHighSurrogate(string[end - 1])) {
+    end = end - 1
+  }
+  return `${string.slice(0, end)}…`
+}
+
 function stringifyByMaxWidth(object: unknown, threshold: number, options: StringifyOptions): string {
   function evaluate(x: number) {
     return stringify(object, undefined, {
diff --git a/packages/vitest/src/node/reporters/renderers/utils.ts b/packages/vitest/src/node/reporters/renderers/utils.ts
index 896d29f17..459a53fdc 100644
--- a/packages/vitest/src/node/reporters/renderers/utils.ts
+++ b/packages/vitest/src/node/reporters/renderers/utils.ts
@@ -3,6 +3,7 @@ import type { SnapshotSummary } from '@vitest/snapshot'
 import type { Formatter } from 'tinyrainbow'
 import type { TestProject } from '../../project'
 import { stripVTControlCharacters } from 'node:util'
+import { truncateString as utilsTruncateString } from '@vitest/utils/display'
 import { slash } from '@vitest/utils/helpers'
 import { basename, dirname, isAbsolute, relative } from 'pathe'
 import c from 'tinyrainbow'
@@ -278,13 +279,7 @@ export function padSummaryTitle(str: string): string {
 }
 
 export function truncateString(text: string, maxLength: number): string {
-  const plainText = stripVTControlCharacters(text)
-
-  if (plainText.length <= maxLength) {
-    return text
-  }
-
-  return `${plainText.slice(0, maxLength - 1)}…`
+  return utilsTruncateString(stripVTControlCharacters(text), maxLength)
 }
 
 function capitalize<T extends string>(text: T) {
diff --git a/packages/vitest/src/runtime/config.ts b/packages/vitest/src/runtime/config.ts
index 0cf9ffd23..10d9ba8dd 100644
--- a/packages/vitest/src/runtime/config.ts
+++ b/packages/vitest/src/runtime/config.ts
@@ -78,7 +78,7 @@ export interface SerializedConfig {
     showDiff?: boolean
     truncateThreshold?: number
   } | undefined
-  taskTitleValueFormatTruncate: number | undefined
+  taskTitleValueFormatTruncate: number
   api: {
     allowExec: boolean | undefined
     allowWrite: boolean | undefined
diff --git a/test/cli/test/reporters/default.test.ts b/test/cli/test/reporters/default.test.ts
index 9037b097e..375ac1634 100644
--- a/test/cli/test/reporters/default.test.ts
+++ b/test/cli/test/reporters/default.test.ts
@@ -240,30 +240,30 @@ describe('default reporter', async () => {
 
     expect(trimReporterOutput(stdout)).toMatchInlineSnapshot(`
       "✓ fixtures/reporters/test-for-title.test.ts (24 tests) [...]ms
-         ✓ test.for object : 0 = 'a', 2 = { te: 'st' } [...]ms
-         ✓ test.for object : 0 = 'b', 2 = [ 'test' ] [...]ms
-         ✓ test.each object : 0 = 'a', 2 = { te: 'st' }  [...]ms
-         ✓ test.each object : 0 = 'b', 2 = [ 'test' ]  [...]ms
-         ✓ test.for array : 0 = 'a', 2 = { te: 'st' } [...]ms
-         ✓ test.for array : 0 = 'b', 2 = [ 'test' ] [...]ms
-         ✓ test.each array : 0 = 'a', 2 = { te: 'st' } [...]ms
-         ✓ test.each array : 0 = 'b', 2 = [ 'test' ] [...]ms
+         ✓ test.for object : 0 = a, 2 = { te: 'st' } [...]ms
+         ✓ test.for object : 0 = b, 2 = [ 'test' ] [...]ms
+         ✓ test.each object : 0 = a, 2 = { te: 'st' }  [...]ms
+         ✓ test.each object : 0 = b, 2 = [ 'test' ]  [...]ms
+         ✓ test.for array : 0 = a, 2 = { te: 'st' } [...]ms
+         ✓ test.for array : 0 = b, 2 = [ 'test' ] [...]ms
+         ✓ test.each array : 0 = a, 2 = { te: 'st' } [...]ms
+         ✓ test.each array : 0 = b, 2 = [ 'test' ] [...]ms
          ✓ object : add(1, 1) -> 2 [...]ms
          ✓ object : add(1, 2) -> 3 [...]ms
          ✓ object : add(2, 1) -> 3 [...]ms
          ✓ array : add(1, 1) -> 2 [...]ms
          ✓ array : add(1, 2) -> 3 [...]ms
          ✓ array : add(2, 1) -> 3 [...]ms
-         ✓ first array element is object: 0 = { k1: 'v1' }, 1 = { k2: 'v2' }, k1 = 'v1', k2 = undefined [...]ms
-         ✓ first array element is not object: 0 = 'foo', 1 = 'bar', k = $k [...]ms
-         ✓ not array: 0 = { k: 'v1' }, 1 = undefined, k = 'v1' [...]ms
-         ✓ not array: 0 = { k: 'v2' }, 1 = undefined, k = 'v2' [...]ms
+         ✓ first array element is object: 0 = { k1: 'v1' }, 1 = { k2: 'v2' }, k1 = v1, k2 = undefined [...]ms
+         ✓ first array element is not object: 0 = foo, 1 = bar, k = $k [...]ms
+         ✓ not array: 0 = { k: 'v1' }, 1 = undefined, k = v1 [...]ms
+         ✓ not array: 0 = { k: 'v2' }, 1 = undefined, k = v2 [...]ms
          ✓ handles whole numbers: 343434 as $343,434.00 [...]ms
          ✓ { a: '$b', b: 'yay' } [...]ms
-         ✓ '%o' [...]ms
+         ✓ %o [...]ms
          ✓ { a: '%o' } [...]ms
-         ✓ '%o' { a: '%o' } [...]ms
-         ✓ { a: '%o' } '%o' [...]ms"
+         ✓ %o { a: '%o' } [...]ms
+         ✓ { a: '%o' } %o [...]ms"
     `)
   })
 
@@ -282,9 +282,9 @@ describe('default reporter', async () => {
           "$ (object: 3) { one: 1, two: 2, three: 3 }": "passed",
           "$ (object: 4) { one: 1, two: 2, three: 3, four: 4 }": "passed",
           "$ (object: 5) { one: 1, two: 2, three: 3, …(2) }": "passed",
-          "$ (string: 30) '012345678901234567890123456789'": "passed",
-          "$ (string: 40) '01234567890123456789012345678901234567…'": "passed",
-          "$ (string: 50) '01234567890123456789012345678901234567…'": "passed",
+          "$ (string: 30) 012345678901234567890123456789": "passed",
+          "$ (string: 40) 0123456789012345678901234567890123456789": "passed",
+          "$ (string: 50) 012345678901234567890123456789012345678…": "passed",
           "% (array: 3) [ 'one', 'two', 'three' ]": "passed",
           "% (array: 4) [ 'one', 'two', 'three', 'four' ]": "passed",
           "% (array: 5) [ 'one', 'two', 'three', 'four', …(1) ]": "passed",
@@ -313,9 +313,9 @@ describe('default reporter', async () => {
           "$ (object: 3) { one: 1, …(2) }": "passed",
           "$ (object: 4) { one: 1, …(3) }": "passed",
           "$ (object: 5) { one: 1, …(4) }": "passed",
-          "$ (string: 30) '012345678901234567…'": "passed",
-          "$ (string: 40) '012345678901234567…'": "passed",
-          "$ (string: 50) '012345678901234567…'": "passed",
+          "$ (string: 30) 0123456789012345678…": "passed",
+          "$ (string: 40) 0123456789012345678…": "passed",
+          "$ (string: 50) 0123456789012345678…": "passed",
           "% (array: 3) [ 'one', …(2) ]": "passed",
           "% (array: 4) [ 'one', …(3) ]": "passed",
           "% (array: 5) [ 'one', …(4) ]": "passed",
@@ -344,9 +344,9 @@ describe('default reporter', async () => {
           "$ (object: 3) { one: 1, two: 2, three: 3 }": "passed",
           "$ (object: 4) { one: 1, two: 2, three: 3, four: 4 }": "passed",
           "$ (object: 5) { one: 1, two: 2, three: 3, four: 4, five: 5 }": "passed",
-          "$ (string: 30) '012345678901234567890123456789'": "passed",
-          "$ (string: 40) '0123456789012345678901234567890123456789'": "passed",
-          "$ (string: 50) '01234567890123456789012345678901234567890123456789'": "passed",
+          "$ (string: 30) 01234567890123456789012345678…": "passed",
+          "$ (string: 40) 012345678901234567890123456789012345678…": "passed",
+          "$ (string: 50) 0123456789012345678901234567890123456789012345678…": "passed",
           "% (array: 3) [ 'one', 'two', 'three' ]": "passed",
           "% (array: 4) [ 'one', 'two', 'three', 'four' ]": "passed",
           "% (array: 5) [ 'one', 'two', 'three', 'four', 'five' ]": "passed",
diff --git a/test/core/test/__snapshots__/test-for-suite.test.ts.snap b/test/core/test/__snapshots__/test-for-suite.test.ts.snap
index d19a26c47..f78ab8665 100644
--- a/test/core/test/__snapshots__/test-for-suite.test.ts.snap
+++ b/test/core/test/__snapshots__/test-for-suite.test.ts.snap
@@ -22,7 +22,7 @@ exports[`basic case2 > test 1`] = `
 }
 `;
 
-exports[`template 'x' true > test 1`] = `
+exports[`template x true > test 1`] = `
 {
   "args": [
     {
@@ -33,7 +33,7 @@ exports[`template 'x' true > test 1`] = `
 }
 `;
 
-exports[`template 'y' false > test 1`] = `
+exports[`template y false > test 1`] = `
 {
   "args": [
     {
diff --git a/test/core/test/__snapshots__/test-for.test.ts.snap b/test/core/test/__snapshots__/test-for.test.ts.snap
index 3e5a97fe0..dddd6a6c9 100644
--- a/test/core/test/__snapshots__/test-for.test.ts.snap
+++ b/test/core/test/__snapshots__/test-for.test.ts.snap
@@ -96,7 +96,7 @@ exports[`fixture case2 1`] = `
 }
 `;
 
-exports[`object 'case1' 1`] = `
+exports[`object case1 1`] = `
 {
   "args": {
     "k": "case1",
@@ -105,7 +105,7 @@ exports[`object 'case1' 1`] = `
 }
 `;
 
-exports[`object 'case2' 1`] = `
+exports[`object case2 1`] = `
 {
   "args": {
     "k": "case2",
@@ -114,21 +114,21 @@ exports[`object 'case2' 1`] = `
 }
 `;
 
-exports[`object destructure 'case1' 1`] = `
+exports[`object destructure case1 1`] = `
 {
   "myFixture": 1234,
   "v": "case1",
 }
 `;
 
-exports[`object destructure 'case2' 1`] = `
+exports[`object destructure case2 1`] = `
 {
   "myFixture": 1234,
   "v": "case2",
 }
 `;
 
-exports[`template 'x' true 1`] = `
+exports[`template x true 1`] = `
 {
   "args": {
     "a": "x",
@@ -138,7 +138,7 @@ exports[`template 'x' true 1`] = `
 }
 `;
 
-exports[`template 'y' false 1`] = `
+exports[`template y false 1`] = `
 {
   "args": {
     "a": "y",