From 34b81e2ada17b349155550a3a5dc36178fc74bb8 Mon Sep 17 00:00:00 2001
From: Concedo <39025047+LostRuins@users.noreply.github.com>
Date: Mon, 21 Sep 2026 01:32:59 +0800
Subject: [PATCH] bump default ctx to 16k

---
 embd_res/klite.embd | 10 +++++-----
 koboldcpp.py        |  5 +++--
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/embd_res/klite.embd b/embd_res/klite.embd
index 3809f07ec..b109795ec 100644
--- a/embd_res/klite.embd
+++ b/embd_res/klite.embd
@@ -4609,7 +4609,7 @@ Current version indicated by LITEVER below.
 		second_ep_model:"gpt2",
 		second_ep_url:"",
 
-		max_context_length: (localflag?12288:6144),
+		max_context_length: (localflag?16384:6144),
 		max_length: (localflag?2048:768),
 		last_maxctx: 0,
 		auto_ctxlen: true,
@@ -15188,12 +15188,12 @@ Current version indicated by LITEVER below.
 											document.getElementById("max_context_length_slide").max = ep_maxctx;
 											document.getElementById("max_context_length_slide_label").innerText = ep_maxctx;
 										}
-										if(ep_maxctx && ep_maxctx>=12288 && document.getElementById("max_length_slide").max < Math.floor(ep_maxctx/4))
+										if(ep_maxctx && ep_maxctx>=16384 && document.getElementById("max_length_slide").max < Math.floor(ep_maxctx/4))
 										{
 											document.getElementById("max_length_slide").max = Math.floor(ep_maxctx/4);
 											document.getElementById("max_length_slide_label").innerText = Math.floor(ep_maxctx/4);
 										}
-										if(localflag && ep_maxctx>=12288 && localsettings.max_context_length<ep_maxctx && (localsettings.last_maxctx!=ep_maxctx || localsettings.max_context_length==defaultsettings.max_context_length))
+										if(localflag && ep_maxctx>=16384 && localsettings.max_context_length<ep_maxctx && (localsettings.last_maxctx!=ep_maxctx || localsettings.max_context_length==defaultsettings.max_context_length))
 										{
 											localsettings.max_context_length = ep_maxctx;
 											localsettings.last_maxctx = ep_maxctx;
@@ -31942,11 +31942,11 @@ Current version indicated by LITEVER below.
 									<input title="Context Size" inputmode="numeric" class="justifyright push-right" id="max_context_length" style="width: 8ch;" oninput="
 									document.getElementById('max_context_length_slide').value = this.value;">
 								</div>
-								<div><input title="Context Size Slider" type="range" min="512" max="12288" step="8" id="max_context_length_slide" oninput="
+								<div><input title="Context Size Slider" type="range" min="512" max="16384" step="8" id="max_context_length_slide" oninput="
 									document.getElementById('max_context_length').value = this.value;"></div>
 								<div class="settingminmax">
 									<div class="justifyleft">512</div>
-									<div class="justifyright" id="max_context_length_slide_label">12288</div>
+									<div class="justifyright" id="max_context_length_slide_label">16384</div>
 								</div>
 								<div id="auto_ctxlen_panel" class="settinglabel">
 									<div class="justifyleft" title="Automatically lowers settings if incompatible with existing workers">Auto-Adjust Limits </div>
diff --git a/koboldcpp.py b/koboldcpp.py
index 0f0545bfa..9ba72510d 100644
--- a/koboldcpp.py
+++ b/koboldcpp.py
@@ -8837,6 +8837,7 @@ def show_gui():
     batchsize_text = ["Don't Batch","16","32","64","128","256","512","1024","2048","4096"]
     ubatchsize_text = ["Match Batch Size","16","32","64","128","256","512","1024","2048","4096"]
     contextsize_text = ["256", "512", "1024", "2048", "3072", "4096", "5120", "6144", "7168", "8192", "9216", "10240", "11264", "12288", "13312", "14336", "15360", "16384", "18432", "20480", "22528", "24576", "26624", "28672", "30720", "32768", "36864", "40960", "45056", "49152", "53248", "57344", "61440", "65536", "73728", "81920", "90112", "98304", "106496", "114688", "122880", "131072", "147456", "163840", "180224", "196608", "212992", "229376", "245760", "262144" ]
+    default_contextsize_index = contextsize_text.index(str(default_maxctx))
     quantkv_text = ["f16","bf16","q8_0","q5_1","q4_0"]
 
     if not any(runopts):
@@ -9579,7 +9580,7 @@ def show_gui():
         makecheckbox(quick_tab, name, properties[0], int(idx/2) + 20, idx % 2, tooltiptxt=properties[1])
 
     # context size
-    makeslider(quick_tab, "Context Size:", contextsize_text, context_var, 40, width=280, set=17, tooltip="What is the maximum context size to support. Model specific. You cannot exceed it.\nLarger contexts require more memory, and not all models support it.")
+    makeslider(quick_tab, "Context Size:", contextsize_text, context_var, 40, width=280, set=default_contextsize_index, tooltip="What is the maximum context size to support. Model specific. You cannot exceed it.\nLarger contexts require more memory, and not all models support it.")
 
     # load model
     makefileentry(quick_tab, "GGUF Text Model:", "Select GGUF or GGML Model File", model_var, 50, 280, onchoosefile=on_picked_model_file,tooltiptxt="Select a GGUF or GGML model file on disk to be loaded.")
@@ -9671,7 +9672,7 @@ def show_gui():
     cacheslots_entry, cacheslots_label = makelabelentry(context_tab, "CacheSlots:", smartcacheslots_var, row=5, padx=(300), singleline=True, tooltip="Number of slots for smartcache",labelpadx=(220))
 
     # context size
-    makeslider(context_tab, "Context Size:",contextsize_text, context_var, 18, width=280, set=17,tooltip="What is the maximum context size to support. Model specific. You cannot exceed it.\nLarger contexts require more memory, and not all models support it.")
+    makeslider(context_tab, "Context Size:",contextsize_text, context_var, 18, width=280, set=default_contextsize_index,tooltip="What is the maximum context size to support. Model specific. You cannot exceed it.\nLarger contexts require more memory, and not all models support it.")
     context_var.trace_add("write", changed_gpulayers_estimate)
     makelabelentry(context_tab, "Default Gen Amt:", defaultgenamt_var, row=20, padx=(120), singleline=True, tooltip="How many tokens to generate by default, if not specified. Must be smaller than context size. Usually, your frontend GUI will override this.")
     makelabelentry(context_tab, "Prompt Limit:", genlimit_var, row=20, padx=(300), singleline=True, tooltip="If set, restricts max output tokens to this limit regardless of API request. Set to 0 to disable.",labelpadx=(210))