From 91f49e1e30705fdcf353bbf316ff3aa53f6ec521 Mon Sep 17 00:00:00 2001
From: Kevin Lin <klin5061@gmail.com>
Date: Tue, 17 Feb 2026 10:17:38 -0800
Subject: [PATCH] feat: add Sonnet 4.6 default model (#992)

Co-authored-by: Letta <noreply@letta.com>
---
 src/models.json | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/models.json b/src/models.json
index a48494b..708a091 100644
--- a/src/models.json
+++ b/src/models.json
@@ -1,10 +1,22 @@
 [
+  {
+    "id": "sonnet-4.6",
+    "handle": "anthropic/claude-sonnet-4-6",
+    "label": "Sonnet 4.6",
+    "description": "Anthropic's new Sonnet model with adaptive thinking",
+    "isDefault": true,
+    "isFeatured": true,
+    "updateArgs": {
+      "context_window": 200000,
+      "max_output_tokens": 128000,
+      "enable_reasoner": true
+    }
+  },
   {
     "id": "sonnet-4.5",
     "handle": "anthropic/claude-sonnet-4-5-20250929",
     "label": "Sonnet 4.5",
-    "description": "The recommended default model",
-    "isDefault": true,
+    "description": "Previous default Sonnet model",
     "isFeatured": true,
     "updateArgs": {
       "context_window": 180000,