diff --git a/model/textparse/omtestdata.txt b/model/textparse/omtestdata.txt
new file mode 100644
index 000000000..0f5f78b8b
--- /dev/null
+++ b/model/textparse/omtestdata.txt
@@ -0,0 +1,64 @@
+# HELP go_build_info Build information about the main Go module.
+# TYPE go_build_info gauge
+go_build_info{checksum="",path="",version=""} 1.0
+# HELP promhttp_metric_handler_errors Total number of internal errors encountered by the promhttp metric handler.
+# TYPE promhttp_metric_handler_errors counter
+promhttp_metric_handler_errors_total{cause="encoding"} 0.0
+promhttp_metric_handler_errors_created{cause="encoding"} 1.726839813016397e+09
+promhttp_metric_handler_errors_total{cause="gathering"} 0.0
+promhttp_metric_handler_errors_created{cause="gathering"} 1.726839813016395e+09
+# HELP rpc_durations_histogram_seconds RPC latency distributions.
+# TYPE rpc_durations_histogram_seconds histogram
+rpc_durations_histogram_seconds_bucket{le="-0.00099"} 0
+rpc_durations_histogram_seconds_bucket{le="-0.00089"} 0
+rpc_durations_histogram_seconds_bucket{le="-0.0007899999999999999"} 0
+rpc_durations_histogram_seconds_bucket{le="-0.0006899999999999999"} 0
+rpc_durations_histogram_seconds_bucket{le="-0.0005899999999999998"} 0
+rpc_durations_histogram_seconds_bucket{le="-0.0004899999999999998"} 0
+rpc_durations_histogram_seconds_bucket{le="-0.0003899999999999998"} 0
+rpc_durations_histogram_seconds_bucket{le="-0.0002899999999999998"} 3 # {dummyID="17783"} -0.0003825067330956884 1.7268398142239082e+09
+rpc_durations_histogram_seconds_bucket{le="-0.0001899999999999998"} 5 # {dummyID="84741"} -0.00020178290006788965 1.726839814829977e+09
+rpc_durations_histogram_seconds_bucket{le="-8.999999999999979e-05"} 5
+rpc_durations_histogram_seconds_bucket{le="1.0000000000000216e-05"} 8 # {dummyID="19206"} -4.6156147425468016e-05 1.7268398151337721e+09
+rpc_durations_histogram_seconds_bucket{le="0.00011000000000000022"} 9 # {dummyID="3974"} 9.528436760156754e-05 1.726839814526797e+09
+rpc_durations_histogram_seconds_bucket{le="0.00021000000000000023"} 11 # {dummyID="29640"} 0.00017459624183458996 1.7268398139220061e+09
+rpc_durations_histogram_seconds_bucket{le="0.0003100000000000002"} 15 # {dummyID="9818"} 0.0002791130914009552 1.7268398149821382e+09
+rpc_durations_histogram_seconds_bucket{le="0.0004100000000000002"} 15
+rpc_durations_histogram_seconds_bucket{le="0.0005100000000000003"} 15
+rpc_durations_histogram_seconds_bucket{le="0.0006100000000000003"} 15
+rpc_durations_histogram_seconds_bucket{le="0.0007100000000000003"} 15
+rpc_durations_histogram_seconds_bucket{le="0.0008100000000000004"} 15
+rpc_durations_histogram_seconds_bucket{le="0.0009100000000000004"} 15
+rpc_durations_histogram_seconds_bucket{le="+Inf"} 15
+rpc_durations_histogram_seconds_sum -8.452185437166741e-05
+rpc_durations_histogram_seconds_count 15
+rpc_durations_histogram_seconds_created 1.726839813016302e+09
+# HELP rpc_durations_seconds RPC latency distributions.
+# TYPE rpc_durations_seconds summary
+rpc_durations_seconds{service="exponential",quantile="0.5"} 7.689368882420941e-07
+rpc_durations_seconds{service="exponential",quantile="0.9"} 1.6537614174305048e-06
+rpc_durations_seconds{service="exponential",quantile="0.99"} 2.0965499063061924e-06
+rpc_durations_seconds_sum{service="exponential"} 2.0318666372575776e-05
+rpc_durations_seconds_count{service="exponential"} 22
+rpc_durations_seconds_created{service="exponential"} 1.7268398130168908e+09
+rpc_durations_seconds{service="normal",quantile="0.5"} -5.066758674917046e-06
+rpc_durations_seconds{service="normal",quantile="0.9"} 0.0002935723711788224
+rpc_durations_seconds{service="normal",quantile="0.99"} 0.0003023094636293776
+rpc_durations_seconds_sum{service="normal"} -8.452185437166741e-05
+rpc_durations_seconds_count{service="normal"} 15
+rpc_durations_seconds_created{service="normal"} 1.726839813016714e+09
+rpc_durations_seconds{service="uniform",quantile="0.5"} 9.005014931474918e-05
+rpc_durations_seconds{service="uniform",quantile="0.9"} 0.00017801230208182325
+rpc_durations_seconds{service="uniform",quantile="0.99"} 0.00018641524538180192
+rpc_durations_seconds_sum{service="uniform"} 0.0011666095700533677
+rpc_durations_seconds_count{service="uniform"} 11
+rpc_durations_seconds_created{service="uniform"} 1.72683981301684e+09
+# HELP rpc_requests Total number of RPC requests received.
+# TYPE rpc_requests counter
+rpc_requests_total{service="exponential"} 22.0
+rpc_requests_created{service="exponential"} 1.726839813016893e+09
+rpc_requests_total{service="normal"} 15.0
+rpc_requests_created{service="normal"} 1.726839813016717e+09
+rpc_requests_total{service="uniform"} 11.0
+rpc_requests_created{service="uniform"} 1.7268398130168471e+09
+# EOF
diff --git a/model/textparse/openmetricsparse_test.go b/model/textparse/openmetricsparse_test.go
index cadaabc99..ce1261f5c 100644
--- a/model/textparse/openmetricsparse_test.go
+++ b/model/textparse/openmetricsparse_test.go
@@ -16,6 +16,7 @@ package textparse
 import (
 	"errors"
 	"io"
+	"os"
 	"testing"
 
 	"github.com/prometheus/common/model"
@@ -992,3 +993,46 @@ go_gc_duration_seconds_created`)
 	require.Equal(t, "go_gc_duration_seconds", string(copyParser.l.b[copyParser.offsets[0]:copyParser.offsets[1]]))
 	require.False(t, copyParser.skipCTSeries)
 }
+
+func BenchmarkOMParseCreatedTimestamp(b *testing.B) {
+	for parserName, parser := range map[string]func([]byte, *labels.SymbolTable) Parser{
+		"openmetrics": func(b []byte, st *labels.SymbolTable) Parser {
+			return NewOpenMetricsParser(b, st)
+		},
+		"openmetrics-skip-ct": func(b []byte, st *labels.SymbolTable) Parser {
+			return NewOpenMetricsParser(b, st, WithOMParserCTSeriesSkipped())
+		},
+	} {
+		f, err := os.Open("omtestdata.txt")
+		require.NoError(b, err)
+		defer f.Close()
+
+		buf, err := io.ReadAll(f)
+		require.NoError(b, err)
+
+		b.Run(parserName+"/parse-ct/"+"omtestdata.txt", func(b *testing.B) {
+			b.SetBytes(int64(len(buf) / promtestdataSampleCount))
+			b.ReportAllocs()
+			b.ResetTimer()
+
+			st := labels.NewSymbolTable()
+			for i := 0; i < b.N; i += promtestdataSampleCount {
+				p := parser(buf, st)
+
+			Outer:
+				for i < b.N {
+					t, err := p.Next()
+					switch t {
+					case EntryInvalid:
+						if errors.Is(err, io.EOF) {
+							break Outer
+						}
+						b.Fatal(err)
+					case EntrySeries:
+						p.CreatedTimestamp()
+					}
+				}
+			}
+		})
+	}
+}
diff --git a/model/textparse/promparse_test.go b/model/textparse/promparse_test.go
index ce9daf53e..4520dfe9a 100644
--- a/model/textparse/promparse_test.go
+++ b/model/textparse/promparse_test.go
@@ -492,7 +492,7 @@ const (
 	promtestdataSampleCount = 410
 )
 
-func BenchmarkParse(b *testing.B) {
+func BenchmarkPromParse(b *testing.B) {
 	for parserName, parser := range map[string]func([]byte, *labels.SymbolTable) Parser{
 		"prometheus": NewPromParser,
 		"openmetrics": func(b []byte, st *labels.SymbolTable) Parser {