From bdc91b2aef33d3e82e5ab1fa7438a759076dc756 Mon Sep 17 00:00:00 2001
From: Colby Serpa <129702033+ColbySerpa@users.noreply.github.com>
Date: Thu, 9 Oct 2025 16:08:16 -0700
Subject: [PATCH] =?UTF-8?q?feat:=20Add=20Claude=20Sonnet=204.5=201M=20cont?=
 =?UTF-8?q?ext=20window=20support=20for=20Claude=20Code=E2=80=A6=20(#8586)?=
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feat: Add Claude Sonnet 4.5 1M context window support for Claude Code provider
---
 packages/types/src/providers/claude-code.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/packages/types/src/providers/claude-code.ts b/packages/types/src/providers/claude-code.ts
index a00066d87f..29afc68886 100644
--- a/packages/types/src/providers/claude-code.ts
+++ b/packages/types/src/providers/claude-code.ts
@@ -48,6 +48,15 @@ export const claudeCodeModels = {
 		supportsReasoningBudget: false,
 		requiredReasoningBudget: false,
 	},
+	"claude-sonnet-4-5-20250929[1m]": {
+		...anthropicModels["claude-sonnet-4-5"],
+		contextWindow: 1_000_000, // 1M token context window (requires [1m] suffix)
+		supportsImages: false,
+		supportsPromptCache: true, // Claude Code does report cache tokens
+		supportsReasoningEffort: false,
+		supportsReasoningBudget: false,
+		requiredReasoningBudget: false,
+	},
 	"claude-sonnet-4-20250514": {
 		...anthropicModels["claude-sonnet-4-20250514"],
 		supportsImages: false,