diff --git a/bench/gpus.txt b/bench/gpus.txt
index 8c67de474..dbdda8632 100644
--- a/bench/gpus.txt
+++ b/bench/gpus.txt
@@ -3,6 +3,7 @@
 4.194304e+06 3.497176955517716e+07 1.694520362670856e-14    "MX150"
 4.194304e+06 5.527840160261479e+07 1.6945213680693907e-14   "GTX 860M"
 4.194304e+06 7.260693991786541e+07 1.694520362670856e-14    "GTX 1050 (mobile)"
+4.194304e+06 7.620596372190422e+07 1.69452004508381e-14     "RTX A400"
 4.194304e+06 8.191301445972674e+07 1.694520362670856e-14    "GTX 1050Ti (mobile)"
 4.194304e+06 8.490111356520656e+07 1.6945203523231987e-14   "RTX 2050 (mobile)"
 4.194304e+06 9.754137844792007e+07 1.6945208085986004e-14   "GTX 1650 (mobile)"
diff --git a/cuda/cu/context.go b/cuda/cu/context.go
index bb1c23130..53c8e9c0d 100644
--- a/cuda/cu/context.go
+++ b/cuda/cu/context.go
@@ -2,7 +2,14 @@ package cu
 
 // This file implements CUDA driver context management
 
-//#include <cuda.h>
+/*
+#include <cuda.h>
+
+// CUDA 13.x redefines cuCtxCreate as cuCtxCreate_v4, which takes an extra
+// CUctxCreateParams* argument. cuCtxCreate_v2 keeps the old 3-argument ABI
+// and remains a valid exported driver symbol.
+CUresult cuCtxCreate_v2(CUcontext *pctx, unsigned int flags, CUdevice dev);
+*/
 import "C"
 import "unsafe"
 
@@ -12,7 +19,7 @@ type Context uintptr
 // Create a CUDA context.
 func CtxCreate(flags uint, dev Device) Context {
 	var ctx C.CUcontext
-	err := Result(C.cuCtxCreate(&ctx, C.uint(flags), C.CUdevice(dev)))
+	err := Result(C.cuCtxCreate_v2(&ctx, C.uint(flags), C.CUdevice(dev)))
 	if err != SUCCESS {
 		panic(err)
 	}