From 4e2a3f888cf2f6f6c5a2dc2fd37c60d42b2c0d2a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E3=81=99=E3=81=9A=E3=81=AD=E3=83=BC=E3=81=86?=
 <67305123+waki285@users.noreply.github.com>
Date: Thu, 19 Feb 2026 09:59:44 +0900
Subject: [PATCH] feat: Add Claude Sonnet 4.6 to GitHub Copilot (#149)

* Add Claude Sonnet 4.6 to GitHub Copilot

Claude Sonnet 4.6 is available in GitHub Copilot now.
https://github.blog/changelog/2026-02-17-claude-sonnet-4-6-is-now-generally-available-in-github-copilot/

* Add pricing constants for Claude Sonnet 4.6 for GitHub Copilot
---
 open-sse/config/providerModels.js | 1 +
 src/shared/constants/pricing.js   | 9 ++++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/open-sse/config/providerModels.js b/open-sse/config/providerModels.js
index 5f5a44d..b3502b9 100644
--- a/open-sse/config/providerModels.js
+++ b/open-sse/config/providerModels.js
@@ -89,6 +89,7 @@ export const PROVIDER_MODELS = {
     { id: "claude-opus-4.5", name: "Claude Opus 4.5" },
     { id: "claude-sonnet-4", name: "Claude Sonnet 4" },
     { id: "claude-sonnet-4.5", name: "Claude Sonnet 4.5" },
+    { id: "claude-sonnet-4.6", name: "Claude Sonnet 4.6" },
     { id: "claude-opus-4.6", name: "Claude Opus 4.6" },
     // GitHub Copilot - Google models
     { id: "gemini-2.5-pro", name: "Gemini 2.5 Pro" },
diff --git a/src/shared/constants/pricing.js b/src/shared/constants/pricing.js
index d9abdb0..937b2d5 100644
--- a/src/shared/constants/pricing.js
+++ b/src/shared/constants/pricing.js
@@ -493,6 +493,13 @@ export const DEFAULT_PRICING = {
       reasoning: 22.50,
       cache_creation: 3.00
     },
+    "claude-sonnet-4.6": {
+      input: 3.00,
+      output: 15.00,
+      cached: 0.30,
+      reasoning: 22.50,
+      cache_creation: 3.00
+    },
     "claude-opus-4.6": {
       input: 5.00,
       output: 25.00,
@@ -802,4 +809,4 @@ export function calculateCostFromTokens(tokens, pricing) {
   }
 
   return cost;
-}
\ No newline at end of file
+}