diff --git a/crates/goose/src/providers/databricks.rs b/crates/goose/src/providers/databricks.rs
index 16fced6ac2..b1b2edc669 100644
--- a/crates/goose/src/providers/databricks.rs
+++ b/crates/goose/src/providers/databricks.rs
@@ -36,7 +36,7 @@ const DEFAULT_TIMEOUT_SECS: u64 = 600;
 
 const DATABRICKS_PROVIDER_NAME: &str = "databricks";
 pub const DATABRICKS_DEFAULT_MODEL: &str = "databricks-claude-sonnet-4";
-const DATABRICKS_DEFAULT_FAST_MODEL: &str = "gemini-2-5-flash";
+const DATABRICKS_DEFAULT_FAST_MODEL: &str = "databricks-claude-haiku-4-5";
 pub const DATABRICKS_KNOWN_MODELS: &[&str] = &[
     "databricks-claude-sonnet-4-5",
     "databricks-claude-3-7-sonnet",
diff --git a/scripts/test_compaction.sh b/scripts/test_compaction.sh
index baa3b7ca96..876ee51421 100755
--- a/scripts/test_compaction.sh
+++ b/scripts/test_compaction.sh
@@ -2,6 +2,11 @@
 
 # Compaction smoke test script
 # Tests both manual (trigger prompt) and auto compaction (threshold-based)
+#
+# Environment variable overrides:
+#   COMPACTION_PROVIDER - Override the provider for tests 1 & 2 (default: use system default)
+#   COMPACTION_MODEL    - Override the model for tests 1 & 2 (default: use system default)
+#   SKIP_BUILD          - Skip cargo build if set
 
 if [ -f .env ]; then
   export $(grep -v '^#' .env | xargs)
@@ -19,6 +24,19 @@ fi
 SCRIPT_DIR=$(pwd)
 GOOSE_BIN="$SCRIPT_DIR/target/release/goose"
 
+# Apply provider/model overrides if set
+if [ -n "$COMPACTION_PROVIDER" ]; then
+  echo "Using override provider: $COMPACTION_PROVIDER"
+  export GOOSE_PROVIDER="$COMPACTION_PROVIDER"
+fi
+if [ -n "$COMPACTION_MODEL" ]; then
+  echo "Using override model: $COMPACTION_MODEL"
+  export GOOSE_MODEL="$COMPACTION_MODEL"
+fi
+if [ -n "$COMPACTION_PROVIDER" ] || [ -n "$COMPACTION_MODEL" ]; then
+  echo ""
+fi
+
 # Validation function to check compaction structure in session JSON
 validate_compaction() {
   local session_id=$1