diff --git a/crates/agent/src/agent_diff.rs b/crates/agent/src/agent_diff.rs
index d83b2cf80df1a57bc9ad3444eadf196d10112a7f..cb6934bb4088c048e23513709c1262cd98095a84 100644
--- a/crates/agent/src/agent_diff.rs
+++ b/crates/agent/src/agent_diff.rs
@@ -1348,6 +1348,7 @@ impl AgentDiff {
             ThreadEvent::NewRequest
             | ThreadEvent::Stopped(Ok(StopReason::EndTurn))
             | ThreadEvent::Stopped(Ok(StopReason::MaxTokens))
+            | ThreadEvent::Stopped(Ok(StopReason::Refusal))
             | ThreadEvent::Stopped(Err(_))
             | ThreadEvent::ShowError(_)
             | ThreadEvent::CompletionCanceled => {
diff --git a/crates/agent/src/thread.rs b/crates/agent/src/thread.rs
index b73e102444ae1641bdd6ee5bea065d25c18da537..2e61cf3cfccb89d6793b1527a3209409d18643cc 100644
--- a/crates/agent/src/thread.rs
+++ b/crates/agent/src/thread.rs
@@ -1693,6 +1693,16 @@ impl Thread {
                                     project.set_agent_location(None, cx);
                                 });
                             }
+                            StopReason::Refusal => {
+                                thread.project.update(cx, |project, cx| {
+                                    project.set_agent_location(None, cx);
+                                });
+
+                                cx.emit (ThreadEvent::ShowError(ThreadError::Message {
+                                    header: "Language model refusal".into(),
+                                    message: "Model refused to generate content for safety reasons.".into(),
+                                }));
+                            }
                         },
                         Err(error) => {
                             thread.project.update(cx, |project, cx| {
diff --git a/crates/assistant_context_editor/src/context.rs b/crates/assistant_context_editor/src/context.rs
index 0ee475f100ef4174477649f95a8ed057bfacced3..99092775d0175c59b8c53d1ff5fa2f30a0befe4c 100644
--- a/crates/assistant_context_editor/src/context.rs
+++ b/crates/assistant_context_editor/src/context.rs
@@ -2204,6 +2204,7 @@ impl AssistantContext {
                             StopReason::ToolUse => {}
                             StopReason::EndTurn => {}
                             StopReason::MaxTokens => {}
+                            StopReason::Refusal => {}
                         }
                     }
                 })
diff --git a/crates/eval/src/example.rs b/crates/eval/src/example.rs
index 033efd67aa98ca22e05e402099210e9c97d59706..ed7f139d28365d7ecbf4189d724693262c25a30f 100644
--- a/crates/eval/src/example.rs
+++ b/crates/eval/src/example.rs
@@ -231,6 +231,10 @@ impl ExampleContext {
                     Ok(StopReason::MaxTokens) => {
                         tx.try_send(Err(anyhow!("Exceeded maximum tokens"))).ok();
                     }
+                    Ok(StopReason::Refusal) => {
+                        tx.try_send(Err(anyhow!("Model refused to generate content")))
+                            .ok();
+                    }
                     Err(err) => {
                         tx.try_send(Err(anyhow!(err.clone()))).ok();
                     }
diff --git a/crates/language_model/src/language_model.rs b/crates/language_model/src/language_model.rs
index 124e8cda1e51761a8b15e29a453e0ffa72c3eed9..51b53ada227a05efddf93e80b84d8e168730117f 100644
--- a/crates/language_model/src/language_model.rs
+++ b/crates/language_model/src/language_model.rs
@@ -100,6 +100,7 @@ pub enum StopReason {
     EndTurn,
     MaxTokens,
     ToolUse,
+    Refusal,
 }
 
 #[derive(Debug, Clone, Copy)]
diff --git a/crates/language_models/src/provider/anthropic.rs b/crates/language_models/src/provider/anthropic.rs
index c6a9a808bdeff04ae2168a82ff9d516ede21510a..f9dc7af3dcb5559bbf056c1681cb49c4cd9b3d15 100644
--- a/crates/language_models/src/provider/anthropic.rs
+++ b/crates/language_models/src/provider/anthropic.rs
@@ -825,6 +825,7 @@ impl AnthropicEventMapper {
                         "end_turn" => StopReason::EndTurn,
                         "max_tokens" => StopReason::MaxTokens,
                         "tool_use" => StopReason::ToolUse,
+                        "refusal" => StopReason::Refusal,
                         _ => {
                             log::error!("Unexpected anthropic stop_reason: {stop_reason}");
                             StopReason::EndTurn