diff --git a/intent-gizmosql/README.md b/intent-gizmosql/README.md
index e8e40e37d7..627c82a293 100644
--- a/intent-gizmosql/README.md
+++ b/intent-gizmosql/README.md
@@ -3,7 +3,8 @@
 A released fork of GizmoSQL v1.38.0 (a server embedding DuckDB) whose embedded
 DuckDB v1.5.5 carries a small series of engine changes:
 
-- GizmoSQL: https://github.com/bddppqs/intent-gizmosql, tag `v1.38.0-clickbench.1` (the release this entry installs).
+- GizmoSQL: https://github.com/bddppqs/intent-gizmosql, tag `v1.38.0-clickbench.1` (the release this entry installs: portable
+  Linux amd64 and arm64 builds).
 - DuckDB: https://github.com/bddppqs/intent-duckdb, tag `v1.5.5-clickbench.1` (changes documented in that
   repository's `CLICKBENCH-FORK.md`: batched RE2 character-class runs, CountZeros builtins with
   selection-fed HyperLogLog, an evictable decoded-dictionary cache with admission back-off, and
@@ -11,8 +12,8 @@ DuckDB v1.5.5 carries a small series of engine changes:
 
 The scripts in this directory are the upstream `gizmosql` entry's, unchanged, except:
 
-- `install`, which downloads the pinned release zip and verifies its SHA-256 instead of running
-  the vendor's network installer;
+- `install`, which downloads the pinned release zip for the machine's architecture (amd64 or
+  arm64) and verifies its SHA-256 instead of running the vendor's network installer;
 - `query`, whose failure check only looks at the client's own diagnostics (exit code, `Error:`
   lines) and no longer at result rows: a URL or title containing the word "error" in a result
   window over tied counts (e.g. Q39's `LIMIT 10 OFFSET 1000`) turned a valid run into a null
diff --git a/intent-gizmosql/install b/intent-gizmosql/install
index 45dd52c81e..0771caadb8 100755
--- a/intent-gizmosql/install
+++ b/intent-gizmosql/install
@@ -10,11 +10,24 @@ sudo apt-get update -y
 sudo apt-get install -y curl unzip netcat-openbsd
 
 # Install the released gizmosql_server + gizmosql_client of this entry from
-# https://github.com/bddppqs/intent-gizmosql (tag v1.38.0-clickbench.1): a portable Linux amd64
-# build with a glibc 2.28 baseline, so no loader shim is needed on Ubuntu 24.04.
-# The zip is pinned by URL and SHA-256; a different file fails the install.
-ZIP_URL="https://github.com/bddppqs/intent-gizmosql/releases/download/v1.38.0-clickbench.1/gizmosql_cli_linux_amd64.zip"
-ZIP_SHA256="a460e5b65804d2e1cd825834a2f2428412713e1424113e8706da37effa3e6f7b"
+# https://github.com/bddppqs/intent-gizmosql (tag v1.38.0-clickbench.1): portable Linux builds
+# (amd64 and arm64) with a glibc 2.28 baseline, so no loader shim is needed
+# on Ubuntu 24.04. Each zip is pinned by URL and SHA-256; a different file
+# fails the install.
+case "$(uname -m)" in
+    x86_64)
+        ZIP_URL="https://github.com/bddppqs/intent-gizmosql/releases/download/v1.38.0-clickbench.1/gizmosql_cli_linux_amd64.zip"
+        ZIP_SHA256="a460e5b65804d2e1cd825834a2f2428412713e1424113e8706da37effa3e6f7b"
+        ;;
+    aarch64)
+        ZIP_URL="https://github.com/bddppqs/intent-gizmosql/releases/download/v1.38.0-clickbench.1/gizmosql_cli_linux_arm64.zip"
+        ZIP_SHA256="bd7d99e898fd55455cde3517db6be6b26542dc5e7a537527c55c2dae3cfba536"
+        ;;
+    *)
+        echo "unsupported architecture: $(uname -m) (this entry ships amd64 and arm64 builds)" >&2
+        exit 1
+        ;;
+esac
 if ! command -v gizmosql_server >/dev/null 2>&1; then
     tmp=$(mktemp -d)
     curl -fsSL "$ZIP_URL" -o "$tmp/gizmosql.zip"
diff --git a/intent-gizmosql/results/20260920/c8g.4xlarge.json b/intent-gizmosql/results/20260920/c8g.4xlarge.json
new file mode 100644
index 0000000000..270ed56d3e
--- /dev/null
+++ b/intent-gizmosql/results/20260920/c8g.4xlarge.json
@@ -0,0 +1,60 @@
+{
+      "system": "intent-gizmosql",
+      "date": "2026-09-20",
+      "machine": "c8g.4xlarge",
+      "cluster_size": 1,
+      "proprietary": "no",
+      "hardware": "cpu",
+      "tuned": "yes",
+      "tags": ["C++","column-oriented","DuckDB derivative"],
+      "load_time": 122,
+      "data_size": 20461662208,
+      "concurrent_qps": 0.542,
+      "concurrent_error_ratio": 0,
+      "result": [
+        [0.028, 0.002, 0.002],
+        [0.102, 0.004, 0.004],
+        [0.21, 0.016, 0.015],
+        [0.234, 0.021, 0.021],
+        [0.332, 0.131, 0.131],
+        [0.914, 0.109, 0.108],
+        [0.068, 0.003, 0.003],
+        [0.11, 0.005, 0.005],
+        [0.779, 0.164, 0.166],
+        [1.468, 0.241, 0.244],
+        [0.51, 0.04, 0.04],
+        [0.769, 0.045, 0.046],
+        [0.91, 0.143, 0.142],
+        [2.071, 0.283, 0.29],
+        [1.301, 0.159, 0.154],
+        [0.361, 0.156, 0.156],
+        [2.039, 0.336, 0.348],
+        [1.946, 0.245, 0.251],
+        [4.134, 0.647, 0.63],
+        [0.165, 0.003, 0.003],
+        [10.594, 0.154, 0.155],
+        [12.27, 0.133, 0.132],
+        [15.254, 1.986, 1.075],
+        [0.409, 0.031, 0.032],
+        [0.156, 0.009, 0.009],
+        [0.868, 0.045, 0.043],
+        [0.14, 0.01, 0.015],
+        [10.76, 0.069, 0.069],
+        [8.478, 1.307, 1.285],
+        [0.163, 0.027, 0.027],
+        [2.709, 0.125, 0.124],
+        [5.728, 0.156, 0.153],
+        [4.278, 0.771, 0.721],
+        [10.782, 0.597, 0.601],
+        [10.785, 0.643, 0.663],
+        [0.378, 0.201, 0.203],
+        [0.097, 0.013, 0.013],
+        [0.072, 0.006, 0.006],
+        [0.103, 0.006, 0.006],
+        [0.156, 0.033, 0.027],
+        [0.082, 0.005, 0.005],
+        [0.089, 0.005, 0.005],
+        [0.068, 0.007, 0.007]
+]
+  } 
+  
\ No newline at end of file
diff --git a/intent-gizmosql/results/20260920/c8g.metal-48xl.json b/intent-gizmosql/results/20260920/c8g.metal-48xl.json
new file mode 100644
index 0000000000..e80b80be92
--- /dev/null
+++ b/intent-gizmosql/results/20260920/c8g.metal-48xl.json
@@ -0,0 +1,60 @@
+{
+      "system": "intent-gizmosql",
+      "date": "2026-09-20",
+      "machine": "c8g.metal-48xl",
+      "cluster_size": 1,
+      "proprietary": "no",
+      "hardware": "cpu",
+      "tuned": "yes",
+      "tags": ["C++","column-oriented","DuckDB derivative"],
+      "load_time": 97,
+      "data_size": 20634152960,
+      "concurrent_qps": 19.823,
+      "concurrent_error_ratio": 0,
+      "result": [
+        [0.025, 0.001, 0.001],
+        [0.091, 0.003, 0.004],
+        [0.206, 0.004, 0.004],
+        [0.578, 0.004, 0.004],
+        [0.599, 0.074, 0.041],
+        [1.715, 0.067, 0.062],
+        [0.074, 0.003, 0.003],
+        [0.106, 0.004, 0.004],
+        [1.433, 0.048, 0.049],
+        [2.436, 0.056, 0.058],
+        [1.139, 0.017, 0.018],
+        [1.485, 0.019, 0.019],
+        [2.002, 0.068, 0.072],
+        [3.204, 0.085, 0.092],
+        [2.235, 0.078, 0.076],
+        [0.613, 0.047, 0.047],
+        [3.221, 0.096, 0.084],
+        [3.227, 0.094, 0.098],
+        [6.102, 0.184, 0.169],
+        [0.327, 0.004, 0.004],
+        [15.163, 0.058, 0.049],
+        [17.582, 0.041, 0.044],
+        [16.137, 0.24, 0.135],
+        [2.749, 0.033, 0.029],
+        [0.474, 0.011, 0.007],
+        [1.66, 0.028, 0.027],
+        [0.469, 0.007, 0.007],
+        [15.41, 0.03, 0.03],
+        [11.844, 0.331, 0.323],
+        [0.166, 0.018, 0.019],
+        [4.257, 0.04, 0.04],
+        [8.3, 0.096, 0.101],
+        [6.054, 0.382, 0.348],
+        [15.294, 0.196, 0.163],
+        [15.303, 0.195, 0.164],
+        [0.315, 0.059, 0.057],
+        [0.096, 0.016, 0.016],
+        [0.052, 0.006, 0.006],
+        [0.089, 0.006, 0.006],
+        [0.174, 0.035, 0.034],
+        [0.075, 0.006, 0.005],
+        [0.059, 0.008, 0.006],
+        [0.057, 0.007, 0.007]
+]
+  } 
+  
\ No newline at end of file