From baf03e355be7fd70a8809fdb29ed6ddb3fdee6fd Mon Sep 17 00:00:00 2001
From: isomo <166665970+jiahaoxiang2000@users.noreply.github.com>
Date: Tue, 25 Mar 2025 17:56:27 +0800
Subject: [PATCH] copilot: Add Claude 3.7-Sonnet-Thought model to Copilot Chat
 (#27409)

- Follow-up to: #25529

Release Notes:

- Added Claude Sonnet 3.7 Thought to GitHub Copilot Chat
---
 crates/copilot/src/copilot_chat.rs                  | 12 +++++++++++-
 crates/language_models/src/provider/copilot_chat.rs |  2 ++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/crates/copilot/src/copilot_chat.rs b/crates/copilot/src/copilot_chat.rs
index 3c3c193e78..15a4cddf20 100644
--- a/crates/copilot/src/copilot_chat.rs
+++ b/crates/copilot/src/copilot_chat.rs
@@ -43,6 +43,11 @@ pub enum Model {
     Claude3_5Sonnet,
     #[serde(alias = "claude-3-7-sonnet", rename = "claude-3.7-sonnet")]
     Claude3_7Sonnet,
+    #[serde(
+        alias = "claude-3.7-sonnet-thought",
+        rename = "claude-3.7-sonnet-thought"
+    )]
+    Claude3_7SonnetThinking,
     #[serde(alias = "gemini-2.0-flash", rename = "gemini-2.0-flash-001")]
     Gemini20Flash,
 }
@@ -54,7 +59,8 @@ impl Model {
             | Self::Gpt4
             | Self::Gpt3_5Turbo
             | Self::Claude3_5Sonnet
-            | Self::Claude3_7Sonnet => true,
+            | Self::Claude3_7Sonnet
+            | Self::Claude3_7SonnetThinking => true,
             Self::O3Mini | Self::O1 | Self::Gemini20Flash => false,
         }
     }
@@ -68,6 +74,7 @@ impl Model {
             "o3-mini" => Ok(Self::O3Mini),
             "claude-3-5-sonnet" => Ok(Self::Claude3_5Sonnet),
             "claude-3-7-sonnet" => Ok(Self::Claude3_7Sonnet),
+            "claude-3.7-sonnet-thought" => Ok(Self::Claude3_7SonnetThinking),
             "gemini-2.0-flash-001" => Ok(Self::Gemini20Flash),
             _ => Err(anyhow!("Invalid model id: {}", id)),
         }
@@ -82,6 +89,7 @@ impl Model {
             Self::O1 => "o1",
             Self::Claude3_5Sonnet => "claude-3-5-sonnet",
             Self::Claude3_7Sonnet => "claude-3-7-sonnet",
+            Self::Claude3_7SonnetThinking => "claude-3.7-sonnet-thought",
             Self::Gemini20Flash => "gemini-2.0-flash-001",
         }
     }
@@ -95,6 +103,7 @@ impl Model {
             Self::O1 => "o1",
             Self::Claude3_5Sonnet => "Claude 3.5 Sonnet",
             Self::Claude3_7Sonnet => "Claude 3.7 Sonnet",
+            Self::Claude3_7SonnetThinking => "Claude 3.7 Sonnet Thinking",
             Self::Gemini20Flash => "Gemini 2.0 Flash",
         }
     }
@@ -108,6 +117,7 @@ impl Model {
             Self::O1 => 20_000,
             Self::Claude3_5Sonnet => 200_000,
             Self::Claude3_7Sonnet => 90_000,
+            Self::Claude3_7SonnetThinking => 90_000,
             Model::Gemini20Flash => 128_000,
         }
     }
diff --git a/crates/language_models/src/provider/copilot_chat.rs b/crates/language_models/src/provider/copilot_chat.rs
index 3d41144fc6..f5cea2666e 100644
--- a/crates/language_models/src/provider/copilot_chat.rs
+++ b/crates/language_models/src/provider/copilot_chat.rs
@@ -186,6 +186,7 @@ impl LanguageModel for CopilotChatLanguageModel {
         match self.model {
             CopilotChatModel::Claude3_5Sonnet => count_anthropic_tokens(request, cx),
             CopilotChatModel::Claude3_7Sonnet => count_anthropic_tokens(request, cx),
+            CopilotChatModel::Claude3_7SonnetThinking => count_anthropic_tokens(request, cx),
             CopilotChatModel::Gemini20Flash => count_google_tokens(request, cx),
             _ => {
                 let model = match self.model {
@@ -195,6 +196,7 @@ impl LanguageModel for CopilotChatLanguageModel {
                     CopilotChatModel::O1 | CopilotChatModel::O3Mini => open_ai::Model::Four,
                     CopilotChatModel::Claude3_5Sonnet
                     | CopilotChatModel::Claude3_7Sonnet
+                    | CopilotChatModel::Claude3_7SonnetThinking
                     | CopilotChatModel::Gemini20Flash => {
                         unreachable!()
                     }