diff --git a/service/internal/benchmark/go.mod b/service/internal/benchmark/go.mod
index 72028c2faaf..4ed083401c0 100644
--- a/service/internal/benchmark/go.mod
+++ b/service/internal/benchmark/go.mod
@@ -7,6 +7,8 @@ require (
 	github.com/aws/aws-sdk-go-v2 v1.13.0
 	github.com/aws/aws-sdk-go-v2/service/dynamodb v1.13.0
 	github.com/aws/aws-sdk-go-v2/service/lexruntimeservice v1.10.0
+	github.com/aws/aws-sdk-go-v2/service/s3 v1.24.0 // indirect
+	github.com/aws/aws-sdk-go-v2/service/schemas v1.12.0 // indirect
 	github.com/aws/smithy-go v1.10.0
 )
 
@@ -23,3 +25,7 @@ replace github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding => ../../.
 replace github.com/aws/aws-sdk-go-v2/service/internal/endpoint-discovery => ../../../service/internal/endpoint-discovery/
 
 replace github.com/aws/aws-sdk-go-v2/service/lexruntimeservice => ../../../service/lexruntimeservice/
+
+replace github.com/aws/aws-sdk-go-v2/service/s3 => ../../../service/s3/
+
+replace github.com/aws/aws-sdk-go-v2/service/schemas => ../../../service/schemas/
diff --git a/service/internal/benchmark/go.sum b/service/internal/benchmark/go.sum
index 9e455092086..10b3894c484 100644
--- a/service/internal/benchmark/go.sum
+++ b/service/internal/benchmark/go.sum
@@ -1,5 +1,15 @@
 github.com/aws/aws-sdk-go v1.34.33 h1:ymkFm0rNPEOlgjyX3ojEd4zqzW6kGICBkqWs7LqgHtU=
 github.com/aws/aws-sdk-go v1.34.33/go.mod h1:H7NKnBqNVzoTJpGfLrQkkD+ytBA93eiDYi/+8rV9s48=
+github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.2.0 h1:scBthy70MB3m4LCMFaBcmYCyR2XWOz6MxSfdSu/+fQo=
+github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.2.0/go.mod h1:oZHzg1OVbuCiRTY0oRPM+c2HQvwnFCGJwKeSqqAJ/yM=
+github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.7.0 h1:4QAOB3KrvI1ApJK14sliGr3Ie2pjyvNypn/lfzDHfUw=
+github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.7.0/go.mod h1:K/qPe6AP2TGYv4l6n7c88zh9jWBDf6nHhvg1fx/EWfU=
+github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.11.0 h1:XAe+PDnaBELHr25qaJKfB415V4CKFWE8H+prUreql8k=
+github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.11.0/go.mod h1:RMlgnt1LbOT2BxJ3cdw+qVz7KL84714LFkWtF6sLI7A=
+github.com/aws/aws-sdk-go-v2/service/s3 v1.24.0 h1:REKac2iT0HYxUSzqOSuncnmsZnE3m4MlGfo1dOUN3vg=
+github.com/aws/aws-sdk-go-v2/service/s3 v1.24.0/go.mod h1:oIUXg/5F0x0gy6nkwEnlxZboueddwPEKO6Xl+U6/3a0=
+github.com/aws/aws-sdk-go-v2/service/schemas v1.12.0 h1:RfqnMV7sOkLxqUjltYY2FdsNaxuzqDrmp89/E9Jyj70=
+github.com/aws/aws-sdk-go-v2/service/schemas v1.12.0/go.mod h1:znm7/t+tVXzCzcS3UOLaMsaB9xNkWIT/jvRUNRLB4A0=
 github.com/aws/smithy-go v1.10.0 h1:gsoZQMNHnX+PaghNw4ynPsyGP7aUCqx5sY2dlPQsZ0w=
 github.com/aws/smithy-go v1.10.0/go.mod h1:SObp3lf9smib00L/v3U2eAKG8FyQ7iLrJnQiAmR5n+E=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
diff --git a/service/internal/benchmark/s3/doc.go b/service/internal/benchmark/s3/doc.go
new file mode 100644
index 00000000000..3ed7f97237d
--- /dev/null
+++ b/service/internal/benchmark/s3/doc.go
@@ -0,0 +1 @@
+package s3
diff --git a/service/internal/benchmark/s3/get_bucket_policy_test.go b/service/internal/benchmark/s3/get_bucket_policy_test.go
new file mode 100644
index 00000000000..b568fc576f0
--- /dev/null
+++ b/service/internal/benchmark/s3/get_bucket_policy_test.go
@@ -0,0 +1,66 @@
+package s3
+
+import (
+	"context"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"strings"
+	"testing"
+
+	"github.com/aws/aws-sdk-go-v2/aws"
+	"github.com/aws/aws-sdk-go-v2/service/s3"
+	smithyhttp "github.com/aws/smithy-go/transport/http"
+)
+
+func init() {
+	var s strings.Builder
+	io.Copy(&s, io.LimitReader(byteReader('a'), 1024*1024*12))
+	largeStringPayload = s.String()
+}
+
+type byteReader byte
+
+func (b byteReader) Read(p []byte) (int, error) {
+	for i := 0; i < len(p); i++ {
+		p[i] = byte(b)
+	}
+	return len(p), nil
+}
+
+var largeStringPayload string
+
+func BenchmarkGetBucketPolicy(b *testing.B) {
+	client := s3.New(s3.Options{
+		Region: "us-west-2",
+		HTTPClient: smithyhttp.ClientDoFunc(
+			func(r *http.Request) (*http.Response, error) {
+				return newGetBucketPolicyHTTPResponse(largeStringPayload), nil
+			}),
+	})
+
+	ctx := context.Background()
+	params := s3.GetBucketPolicyInput{
+		Bucket: aws.String("fooBucket"),
+	}
+
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		_, err := client.GetBucketPolicy(ctx, &params)
+		if err != nil {
+			b.Fatalf("failed to send: %v", err)
+		}
+	}
+
+}
+
+func newGetBucketPolicyHTTPResponse(payload string) *http.Response {
+	return &http.Response{
+		StatusCode: 200,
+		Header: map[string][]string{
+			"Content-Type": {"application/json"},
+		},
+		ContentLength: int64(len(payload)),
+		Body:          ioutil.NopCloser(strings.NewReader(payload)),
+	}
+}
diff --git a/service/internal/benchmark/schemas/doc.go b/service/internal/benchmark/schemas/doc.go
new file mode 100644
index 00000000000..faeaab64e51
--- /dev/null
+++ b/service/internal/benchmark/schemas/doc.go
@@ -0,0 +1 @@
+package schemas
diff --git a/service/internal/benchmark/schemas/get_code_binding_source_test.go b/service/internal/benchmark/schemas/get_code_binding_source_test.go
new file mode 100644
index 00000000000..05b1f1222e2
--- /dev/null
+++ b/service/internal/benchmark/schemas/get_code_binding_source_test.go
@@ -0,0 +1,56 @@
+package schemas
+
+import (
+	"bytes"
+	"context"
+	"io/ioutil"
+	"net/http"
+	"testing"
+
+	"github.com/aws/aws-sdk-go-v2/service/schemas"
+	"github.com/aws/smithy-go/ptr"
+	smithyhttp "github.com/aws/smithy-go/transport/http"
+)
+
+func init() {
+	largeBytePayload = make([]byte, 1024*1024*12)
+}
+
+var largeBytePayload []byte
+
+func BenchmarkGetCodeBindingSource(b *testing.B) {
+	client := schemas.New(schemas.Options{
+		Region: "us-west-2",
+		HTTPClient: smithyhttp.ClientDoFunc(
+			func(r *http.Request) (*http.Response, error) {
+				return newGetCodeBindingSourceHTTPResponse(largeBytePayload), nil
+			}),
+	})
+
+	ctx := context.Background()
+	params := schemas.GetCodeBindingSourceInput{
+		Language:     ptr.String("fooLanguage"),
+		RegistryName: ptr.String("fooRegistry"),
+		SchemaName:   ptr.String("fooSchema"),
+	}
+
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		_, err := client.GetCodeBindingSource(ctx, &params)
+		if err != nil {
+			b.Fatalf("failed to send: %v", err)
+		}
+	}
+
+}
+
+func newGetCodeBindingSourceHTTPResponse(payload []byte) *http.Response {
+	return &http.Response{
+		StatusCode: 200,
+		Header: map[string][]string{
+			"Content-Type": {"application/octet-stream"},
+		},
+		ContentLength: int64(len(payload)),
+		Body:          ioutil.NopCloser(bytes.NewReader(payload)),
+	}
+}