From 2f343bcc566996646776cb57b8d7adf496198e76 Mon Sep 17 00:00:00 2001
From: Simon <10131203+gaomeng1900@users.noreply.github.com>
Date: Mon, 8 Jun 2026 22:23:56 +0800
Subject: [PATCH] feat(llms): add Claude Opus 4.8 support

Strip temperature for claude-opus-4-8, add tests, list model on website.
---
 packages/llms/src/utils.test.ts                      | 12 ++++++++++++
 packages/llms/src/utils.ts                           |  9 +++++++--
 .../website/src/pages/docs/features/models/page.tsx  |  1 +
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/packages/llms/src/utils.test.ts b/packages/llms/src/utils.test.ts
index 824605a..986f426 100644
--- a/packages/llms/src/utils.test.ts
+++ b/packages/llms/src/utils.test.ts
@@ -67,6 +67,18 @@ describe('modelPatch', () => {
 		expect(body).not.toHaveProperty('temperature')
 	})
 
+	it('claude-opus-4-8: drops temperature', () => {
+		const body = baseBody('claude-opus-4-8')
+		modelPatch(body)
+		expect(body).not.toHaveProperty('temperature')
+	})
+
+	it('claude-opus-48 (alt id form): drops temperature', () => {
+		const body = baseBody('claude-opus-48-20251210')
+		modelPatch(body)
+		expect(body).not.toHaveProperty('temperature')
+	})
+
 	it('grok: removes tool_choice and disables reasoning/thinking', () => {
 		const body = baseBody('grok-4')
 		modelPatch(body)
diff --git a/packages/llms/src/utils.ts b/packages/llms/src/utils.ts
index fd8fb04..d3839d3 100644
--- a/packages/llms/src/utils.ts
+++ b/packages/llms/src/utils.ts
@@ -56,8 +56,13 @@ export function modelPatch(body: Record<string, any>) {
 
 		// TODO: Claude naming pattern has changed
 		// needs proper handling
-		if (modelName.startsWith('claude-opus-4-7') || modelName.startsWith('claude-opus-47')) {
-			debug('Applying Claude-4.7 patch: remove temperature')
+		if (
+			modelName.startsWith('claude-opus-4-7') ||
+			modelName.startsWith('claude-opus-47') ||
+			modelName.startsWith('claude-opus-4-8') ||
+			modelName.startsWith('claude-opus-48')
+		) {
+			debug('Applying Claude-4.7/4.8 patch: remove temperature')
 			delete body.temperature
 		}
 	}
diff --git a/packages/website/src/pages/docs/features/models/page.tsx b/packages/website/src/pages/docs/features/models/page.tsx
index b16ef9c..7a0bf0c 100644
--- a/packages/website/src/pages/docs/features/models/page.tsx
+++ b/packages/website/src/pages/docs/features/models/page.tsx
@@ -42,6 +42,7 @@ const MODEL_GROUPS: Record<string, string[]> = {
 	DeepSeek: ['deepseek-v4-pro', 'deepseek-v4-flash', 'deepseek-3.2'],
 	Google: ['gemini-3.1-flash-lite', 'gemini-3-pro', 'gemini-3-flash', 'gemini-2.5'],
 	Anthropic: [
+		'claude-opus-4.8',
 		'claude-opus-4.7',
 		'claude-opus-4.6',
 		'claude-opus-4.5',