diff --git a/koboldcpp.py b/koboldcpp.py
index 4e6a69d44..0cd4f3492 100644
--- a/koboldcpp.py
+++ b/koboldcpp.py
@@ -9607,6 +9607,10 @@ def show_gui():
         gendefaults = (mydict["gendefaults"] if ("gendefaults" in mydict and mydict["gendefaults"]) else "")
         if isinstance(gendefaults, type({})):
             gendefaults = json.dumps(gendefaults)
+        if "reasoningeffort" in mydict and mydict["reasoningeffort"] and mydict["reasoningeffort"]!="default":
+            gendefaults = (json.loads(gendefaults) if gendefaults else {})
+            gendefaults["reasoning_effort"] = mydict["reasoningeffort"]
+            gendefaults = json.dumps(gendefaults) if gendefaults else ""
         gen_defaults_var.set(gendefaults)
         gen_defaults_overwrite_var.set(1 if "gendefaultsoverwrite" in mydict and mydict["gendefaultsoverwrite"] else 0)
 
@@ -12086,6 +12090,7 @@ if __name__ == '__main__':
     advparser.add_argument("--quantkv", help="Sets the KV cache data type quantization, options are f16/bf16/q8_0/q5_1/q4_0. Requires Flash Attention for full effect, otherwise only K cache is quantized.",metavar=('[quantization level f16/bf16/q8_0/q5_1/q4_0]'), type=str, choices=["f16","bf16","q8_0","q5_1","q4_0","0","1","2","3"], default="f16")
     advparser.add_argument("--quiet", help="Enable quiet mode, which hides generation inputs and outputs in the terminal. Quiet mode is automatically enabled when running a horde worker.", action='store_true')
     advparser.add_argument("--ratelimit", metavar=('[seconds]'), help="If enabled, rate limit generative request by IP address. Each IP can only send a new request once per X seconds.", type=int, default=0)
+    advparser.add_argument("--reasoningeffort", help="A quick way to set the default reasoning effort. API values override this.", type=str, choices=['default','none','low','medium','high'], default="default")
     advparser.add_argument("--remotetunnel", help="Uses Cloudflare to create a remote tunnel, allowing you to access koboldcpp remotely over the internet even behind a firewall.", action='store_true')
     advparser.add_argument("--ropeconfig", help="If set, uses customized RoPE scaling from configured frequency scale and frequency base (e.g. --ropeconfig 0.25 10000). Otherwise, uses NTK-Aware scaling set automatically based on context size. For linear rope, simply set the freq-scale and ignore the freq-base",metavar=('[rope-freq-scale]', '[rope-freq-base]'), default=[0.0, 10000.0], type=float, nargs='+')
     advparser.add_argument("--savedatafile", metavar=('[savefile]'), help="If enabled, creates or opens a persistent database file on the server, that allows users to save and load their data remotely. A new file is created if it does not exist.", default="")