diff --git a/Cargo.toml b/Cargo.toml
index 0dcaef76..c3078a8c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -144,6 +144,10 @@ harness = false
 name = "iter"
 harness = false
 
+[[bench]]
+name = "next_slice"
+harness = false
+
 [[bench]]
 name = "number"
 harness = false
diff --git a/benches/next_slice.rs b/benches/next_slice.rs
new file mode 100644
index 00000000..6c25d23a
--- /dev/null
+++ b/benches/next_slice.rs
@@ -0,0 +1,133 @@
+use criterion::black_box;
+
+use winnow::combinator::repeat;
+use winnow::prelude::*;
+use winnow::token::one_of;
+use winnow::token::tag;
+
+fn next_slice(c: &mut criterion::Criterion) {
+    let mut group = c.benchmark_group("next_slice");
+
+    let name = "ascii";
+    let sample = "h".repeat(100);
+    let sample = sample.as_str();
+    group.bench_with_input(
+        criterion::BenchmarkId::new("char", name),
+        sample,
+        |b, sample| {
+            b.iter(|| black_box(parser_ascii_char.parse_peek(black_box(sample)).unwrap()));
+        },
+    );
+    group.bench_with_input(
+        criterion::BenchmarkId::new("str", name),
+        sample,
+        |b, sample| {
+            b.iter(|| black_box(parser_ascii_str.parse_peek(black_box(sample)).unwrap()));
+        },
+    );
+    group.bench_with_input(
+        criterion::BenchmarkId::new("one_of", name),
+        sample,
+        |b, sample| {
+            b.iter(|| black_box(parser_ascii_one_of.parse_peek(black_box(sample)).unwrap()));
+        },
+    );
+    group.bench_with_input(
+        criterion::BenchmarkId::new("tag_char", name),
+        sample,
+        |b, sample| {
+            b.iter(|| black_box(parser_ascii_tag_char.parse_peek(black_box(sample)).unwrap()));
+        },
+    );
+    group.bench_with_input(
+        criterion::BenchmarkId::new("tag_str", name),
+        sample,
+        |b, sample| {
+            b.iter(|| black_box(parser_ascii_tag_str.parse_peek(black_box(sample)).unwrap()));
+        },
+    );
+
+    let name = "utf8";
+    let sample = "🧑".repeat(100);
+    let sample = sample.as_str();
+    group.bench_with_input(
+        criterion::BenchmarkId::new("char", name),
+        sample,
+        |b, sample| {
+            b.iter(|| black_box(parser_utf8_char.parse_peek(black_box(sample)).unwrap()));
+        },
+    );
+    group.bench_with_input(
+        criterion::BenchmarkId::new("str", name),
+        sample,
+        |b, sample| {
+            b.iter(|| black_box(parser_utf8_str.parse_peek(black_box(sample)).unwrap()));
+        },
+    );
+    group.bench_with_input(
+        criterion::BenchmarkId::new("one_of", name),
+        sample,
+        |b, sample| {
+            b.iter(|| black_box(parser_utf8_one_of.parse_peek(black_box(sample)).unwrap()));
+        },
+    );
+    group.bench_with_input(
+        criterion::BenchmarkId::new("tag_char", name),
+        sample,
+        |b, sample| {
+            b.iter(|| black_box(parser_utf8_tag_char.parse_peek(black_box(sample)).unwrap()));
+        },
+    );
+    group.bench_with_input(
+        criterion::BenchmarkId::new("tag_str", name),
+        sample,
+        |b, sample| {
+            b.iter(|| black_box(parser_utf8_tag_str.parse_peek(black_box(sample)).unwrap()));
+        },
+    );
+
+    group.finish();
+}
+
+fn parser_ascii_char(input: &mut &str) -> PResult<usize> {
+    repeat(0.., 'h').parse_next(input)
+}
+
+fn parser_ascii_str(input: &mut &str) -> PResult<usize> {
+    repeat(0.., "h").parse_next(input)
+}
+
+fn parser_ascii_one_of(input: &mut &str) -> PResult<usize> {
+    repeat(0.., one_of('h')).parse_next(input)
+}
+
+fn parser_ascii_tag_char(input: &mut &str) -> PResult<usize> {
+    repeat(0.., tag('h')).parse_next(input)
+}
+
+fn parser_ascii_tag_str(input: &mut &str) -> PResult<usize> {
+    repeat(0.., tag("h")).parse_next(input)
+}
+
+fn parser_utf8_char(input: &mut &str) -> PResult<usize> {
+    repeat(0.., '🧑').parse_next(input)
+}
+
+fn parser_utf8_str(input: &mut &str) -> PResult<usize> {
+    repeat(0.., "🧑").parse_next(input)
+}
+
+fn parser_utf8_one_of(input: &mut &str) -> PResult<usize> {
+    repeat(0.., one_of('🧑')).parse_next(input)
+}
+
+fn parser_utf8_tag_char(input: &mut &str) -> PResult<usize> {
+    repeat(0.., tag('🧑')).parse_next(input)
+}
+
+fn parser_utf8_tag_str(input: &mut &str) -> PResult<usize> {
+    repeat(0.., tag("🧑")).parse_next(input)
+}
+
+criterion::criterion_group!(benches, next_slice);
+criterion::criterion_main!(benches);