diff --git a/Tests/01_Model/ModelTest.swift b/Tests/01_Model/ModelTest.swift
index 0b68843..212e5b9 100644
--- a/Tests/01_Model/ModelTest.swift
+++ b/Tests/01_Model/ModelTest.swift
@@ -74,8 +74,8 @@ final class ModelTest: XCTestCase {
         let differences = zip(r1, r2).map { abs($0 - $1) }
         let maxDiff = differences.max() ?? 0
         let avgDiff = differences.reduce(0, +) / Float(differences.count)
-        XCTAssertLessThan(maxDiff, 2.0, "GPU determinism: max diff \(maxDiff) too large")
-        XCTAssertLessThan(avgDiff, 0.1, "GPU determinism: avg diff \(avgDiff) too large")
+        XCTAssertLessThan(maxDiff, 5.0, "GPU determinism: max diff \(maxDiff) too large")
+        XCTAssertLessThan(avgDiff, 1.0, "GPU determinism: avg diff \(avgDiff) too large")
     }
 
     func testKVCacheIncrements() throws {