diff --git a/benchmark/model_creation.jl b/benchmark/model_creation.jl
index 61784278..ceaa0f3a 100644
--- a/benchmark/model_creation.jl
+++ b/benchmark/model_creation.jl
@@ -9,5 +9,9 @@ function benchmark_model_creation()
     for i in 10 .^ range(1, stop=3)
         SUITE["create HGF of depth $i"] = @benchmarkable create_hgf($i)
     end
+    for i in 10 .^ range(2, stop=6)
+        n_nodes = 10^i
+        SUITE["create model with array of length $i"] = create_longarray($n_nodes)
+    end
     return SUITE
 end
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