diff --git a/model/lyrics_benchmark_test.go b/model/lyrics_benchmark_test.go
new file mode 100644
index 000000000..624d599c2
--- /dev/null
+++ b/model/lyrics_benchmark_test.go
@@ -0,0 +1,78 @@
+package model
+
+import (
+	"fmt"
+	"strings"
+	"testing"
+)
+
+// repeatLines builds a payload of n lines using the given per-line template,
+// where %d is the line index, so benchmark inputs are realistically sized.
+func repeatLines(n int, format string) string {
+	var sb strings.Builder
+	for i := 0; i < n; i++ {
+		fmt.Fprintf(&sb, format, i)
+	}
+	return sb.String()
+}
+
+const benchLineCount = 200
+
+func benchLRC() []byte {
+	return []byte(repeatLines(benchLineCount, "[00:%02d.00]lyric line number with some words\n"))
+}
+
+func benchPlain() []byte {
+	return []byte(repeatLines(benchLineCount, "lyric line number %d with some words\n"))
+}
+
+func benchEnhancedLRC() []byte {
+	return []byte(repeatLines(benchLineCount, "[00:%02d.00]<00:00.10>word <00:00.50>by <00:00.90>word\n"))
+}
+
+func benchSRT() []byte {
+	return []byte(repeatLines(benchLineCount, "%d\n00:00:01,000 --> 00:00:02,000\nsubtitle line\n\n"))
+}
+
+func benchTTML() []byte {
+	var sb strings.Builder
+	sb.WriteString(`<tt xmlns="http://www.w3.org/ns/ttml"><body><div>`)
+	for i := 0; i < benchLineCount; i++ {
+		fmt.Fprintf(&sb, `<p begin="00:00:%02d.000" end="00:00:%02d.000">ttml line</p>`, i%60, (i+1)%60)
+	}
+	sb.WriteString(`</div></body></tt>`)
+	return []byte(sb.String())
+}
+
+func benchYAML() []byte {
+	var sb strings.Builder
+	sb.WriteString("version: \"1.0\"\nmetadata:\n  language: eng\nlines:\n")
+	for i := 0; i < benchLineCount; i++ {
+		fmt.Fprintf(&sb, "  - text: yaml line %d\n    start_ms: %d\n", i, i*1000)
+	}
+	return []byte(sb.String())
+}
+
+func benchmarkParse(b *testing.B, suffix string, contents []byte) {
+	b.ReportAllocs()
+	b.SetBytes(int64(len(contents)))
+	for b.Loop() {
+		if _, err := ParseLyrics(suffix, "eng", contents); err != nil {
+			b.Fatal(err)
+		}
+	}
+}
+
+func BenchmarkParseLyrics_LRC(b *testing.B)         { benchmarkParse(b, ".lrc", benchLRC()) }
+func BenchmarkParseLyrics_Plain(b *testing.B)       { benchmarkParse(b, ".txt", benchPlain()) }
+func BenchmarkParseLyrics_EnhancedLRC(b *testing.B) { benchmarkParse(b, ".lrc", benchEnhancedLRC()) }
+func BenchmarkParseLyrics_SRT(b *testing.B)         { benchmarkParse(b, ".srt", benchSRT()) }
+func BenchmarkParseLyrics_TTML(b *testing.B)        { benchmarkParse(b, ".ttml", benchTTML()) }
+func BenchmarkParseLyrics_YAML(b *testing.B)        { benchmarkParse(b, ".yaml", benchYAML()) }
+
+// Content-sniff path (empty suffix) — what embedded tags and plugins hit.
+func BenchmarkParseLyrics_SniffTTML(b *testing.B)  { benchmarkParse(b, "", benchTTML()) }
+func BenchmarkParseLyrics_SniffSRT(b *testing.B)   { benchmarkParse(b, "", benchSRT()) }
+func BenchmarkParseLyrics_SniffYAML(b *testing.B)  { benchmarkParse(b, "", benchYAML()) }
+func BenchmarkParseLyrics_SniffLRC(b *testing.B)   { benchmarkParse(b, "", benchLRC()) }
+func BenchmarkParseLyrics_SniffPlain(b *testing.B) { benchmarkParse(b, "", benchPlain()) }