From 9bc6cc5b4169fc5dc40465d097f5ce3308ec6de6 Mon Sep 17 00:00:00 2001
From: Ravindra Barthwal <ravindra.s@wheelocity.com>
Date: Sat, 7 Feb 2026 14:58:34 +0530
Subject: [PATCH] feat: add Claude Opus 4.6 to GitHub Copilot models

GitHub Copilot now supports claude-opus-4.6 but it was missing from
the proxy's model definitions. Fixes #196.
---
 internal/registry/model_definitions.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/internal/registry/model_definitions.go b/internal/registry/model_definitions.go
index 0967db60..d26cffce 100644
--- a/internal/registry/model_definitions.go
+++ b/internal/registry/model_definitions.go
@@ -277,6 +277,18 @@ func GetGitHubCopilotModels() []*ModelInfo {
 			MaxCompletionTokens: 64000,
 			SupportedEndpoints:  []string{"/chat/completions"},
 		},
+		{
+			ID:                  "claude-opus-4.6",
+			Object:              "model",
+			Created:             now,
+			OwnedBy:             "github-copilot",
+			Type:                "github-copilot",
+			DisplayName:         "Claude Opus 4.6",
+			Description:         "Anthropic Claude Opus 4.6 via GitHub Copilot",
+			ContextLength:       200000,
+			MaxCompletionTokens: 64000,
+			SupportedEndpoints:  []string{"/chat/completions"},
+		},
 		{
 			ID:                  "claude-sonnet-4",
 			Object:              "model",