diff --git a/src/DotCompressorBenchmark.Tools/BenchmarkDeflate.cs b/src/DotCompressorBenchmark.Tools/BenchmarkDeflate.cs
new file mode 100644
index 0000000..811672d
--- /dev/null
+++ b/src/DotCompressorBenchmark.Tools/BenchmarkDeflate.cs
@@ -0,0 +1,39 @@
+using System.IO;
+using System.IO.Compression;
+
+namespace DotCompressorBenchmark.Tools;
+
+public class BenchmarkDeflate : IBenchmark
+{
+    public string Name { get; }
+    private readonly CompressionLevel _level;
+
+    public BenchmarkDeflate(CompressionLevel level)
+    {
+        _level = level;
+        Name = $"Deflate {_level.ToString()}";
+    }
+
+    public BenchmarkResult Roundtrip(string filename, byte[] srcBytes, byte[] dstBytes)
+    {
+        return Benchmarks.Roundtrip(Name, filename, srcBytes, dstBytes, (s, d) => CompressGZip(s, d, _level), DecompressGZip);
+    }
+
+    public static long CompressGZip(byte[] uncompressedBytes, byte[] compressedBytes, CompressionLevel level)
+    {
+        using MemoryStream ms = new MemoryStream(compressedBytes);
+        using (DeflateStream gzipStream = new DeflateStream(ms, level, true))
+        {
+            gzipStream.Write(uncompressedBytes, 0, uncompressedBytes.Length);
+        }
+
+        return ms.Position;
+    }
+
+    public static long DecompressGZip(byte[] compressedBytes, long size, byte[] uncompressedBytes)
+    {
+        using MemoryStream ms = new MemoryStream(compressedBytes, 0, (int)size);
+        using DeflateStream gzipStream = new DeflateStream(ms, CompressionMode.Decompress);
+        return gzipStream.Read(uncompressedBytes);
+    }
+}
\ No newline at end of file
diff --git a/src/DotCompressorBenchmark.Tools/BenchmarkGZip.cs b/src/DotCompressorBenchmark.Tools/BenchmarkGZip.cs
index e168045..0c64c5b 100644
--- a/src/DotCompressorBenchmark.Tools/BenchmarkGZip.cs
+++ b/src/DotCompressorBenchmark.Tools/BenchmarkGZip.cs
@@ -5,21 +5,25 @@ namespace DotCompressorBenchmark.Tools;
 
 public class BenchmarkGZip : IBenchmark
 {
-    public string Name { get; } = "GZip";
+    public string Name { get; }
 
-    public BenchmarkGZip()
+    private readonly CompressionLevel _level;
+
+    public BenchmarkGZip(CompressionLevel level)
     {
+        _level = level;
+        Name = $"GZip {_level.ToString()}";
     }
 
     public BenchmarkResult Roundtrip(string filename, byte[] srcBytes, byte[] dstBytes)
     {
-        return Benchmarks.Roundtrip(Name, filename, srcBytes, dstBytes, (s, d) => CompressGZip(s, d), DecompressGZip);
+        return Benchmarks.Roundtrip(Name, filename, srcBytes, dstBytes, (s, d) => CompressGZip(s, d, _level), DecompressGZip);
     }
 
-    private static long CompressGZip(byte[] uncompressedBytes, byte[] compressedBytes)
+    public static long CompressGZip(byte[] uncompressedBytes, byte[] compressedBytes, CompressionLevel level)
     {
         using MemoryStream ms = new MemoryStream(compressedBytes);
-        using (GZipStream gzipStream = new GZipStream(ms, CompressionMode.Compress, true))
+        using (GZipStream gzipStream = new GZipStream(ms, level, true))
         {
             gzipStream.Write(uncompressedBytes, 0, uncompressedBytes.Length);
         }
@@ -27,7 +31,7 @@ private static long CompressGZip(byte[] uncompressedBytes, byte[] compressedByte
         return ms.Position;
     }
 
-    private static long DecompressGZip(byte[] compressedBytes, long size, byte[] uncompressedBytes)
+    public static long DecompressGZip(byte[] compressedBytes, long size, byte[] uncompressedBytes)
     {
         using MemoryStream ms = new MemoryStream(compressedBytes, 0, (int)size);
         using (GZipStream gzipStream = new GZipStream(ms, CompressionMode.Decompress))
diff --git a/src/DotCompressorBenchmark.Tools/BenchmarkZip.cs b/src/DotCompressorBenchmark.Tools/BenchmarkZip.cs
index ee2ad6e..e6cdd2b 100644
--- a/src/DotCompressorBenchmark.Tools/BenchmarkZip.cs
+++ b/src/DotCompressorBenchmark.Tools/BenchmarkZip.cs
@@ -37,7 +37,7 @@ public class BenchmarkZip : IBenchmark
     public BenchmarkZip(CompressionLevel level)
     {
         _level = level;
-        Name = $"System.Io.Zip {_level.ToString()}";
+        Name = $"Zip {_level.ToString()}";
     }
 
     public BenchmarkResult Roundtrip(string filename, byte[] srcBytes, byte[] dstBytes)
diff --git a/src/DotCompressorBenchmark.Tools/Benchmarks.cs b/src/DotCompressorBenchmark.Tools/Benchmarks.cs
index b869564..b8443bb 100644
--- a/src/DotCompressorBenchmark.Tools/Benchmarks.cs
+++ b/src/DotCompressorBenchmark.Tools/Benchmarks.cs
@@ -43,24 +43,31 @@ public static List<BenchmarkResult> Benchmark(List<string> files)
             // MemCopy
             benchmarks.Add(new BenchmarkMemCopy());
 
-            // FastLZ
-            benchmarks.Add(new BenchmarkDotFastLZ(1));
-            benchmarks.Add(new BenchmarkDotFastLZ(2));
+            // // FastLZ
+            // benchmarks.Add(new BenchmarkDotFastLZ(1));
+            // benchmarks.Add(new BenchmarkDotFastLZ(2));
+            //
+            // // LZ4
+            // foreach (LZ4Level value in Enum.GetValues(typeof(LZ4Level)))
+            // {
+            //     benchmarks.Add(new BenchmarkK4osLZ4(value));
+            // }
+            //
+            // // Zip
+            // benchmarks.Add(new BenchmarkZip(CompressionLevel.Optimal));
+            // benchmarks.Add(new BenchmarkZip(CompressionLevel.Fastest));
+            // benchmarks.Add(new BenchmarkZip(CompressionLevel.SmallestSize));
+            //
+            // // GZip
+            // benchmarks.Add(new BenchmarkGZip(CompressionLevel.Optimal));
+            // benchmarks.Add(new BenchmarkGZip(CompressionLevel.Fastest));
+            // benchmarks.Add(new BenchmarkGZip(CompressionLevel.SmallestSize));
             
-            // LZ4
-            foreach (LZ4Level value in Enum.GetValues(typeof(LZ4Level)))
-            {
-                benchmarks.Add(new BenchmarkK4osLZ4(value));
-            }
-            
-            // Zip
-            foreach (CompressionLevel value in Enum.GetValues(typeof(CompressionLevel)))
-            {
-                benchmarks.Add(new BenchmarkZip(value));
-            }
-            
-            // GZip
-            benchmarks.Add(new BenchmarkGZip());
+            // Deflate
+            benchmarks.Add(new BenchmarkDeflate(CompressionLevel.Optimal));
+            benchmarks.Add(new BenchmarkDeflate(CompressionLevel.Fastest));
+            benchmarks.Add(new BenchmarkDeflate(CompressionLevel.SmallestSize));
+
             
 
             var results = new List<BenchmarkResult>();