diff --git a/assets/settings/default.json b/assets/settings/default.json
index d27f9a2fd1..8183c3d60e 100644
--- a/assets/settings/default.json
+++ b/assets/settings/default.json
@@ -581,7 +581,7 @@
       // The provider to use.
       "provider": "zed.dev",
       // The model to use.
-      "model": "claude-3-5-sonnet"
+      "model": "claude-3-5-sonnet-latest"
     }
   },
   // The settings for slash commands.
diff --git a/crates/assistant/src/assistant_panel.rs b/crates/assistant/src/assistant_panel.rs
index ecf2e2c421..e0791e0039 100644
--- a/crates/assistant/src/assistant_panel.rs
+++ b/crates/assistant/src/assistant_panel.rs
@@ -978,7 +978,7 @@ impl AssistantPanel {
                             .active_provider()
                             .map_or(true, |p| p.id() != provider.id())
                         {
-                            if let Some(model) = provider.provided_models(cx).first().cloned() {
+                            if let Some(model) = provider.default_model(cx) {
                                 update_settings_file::<AssistantSettings>(
                                     this.fs.clone(),
                                     cx,
diff --git a/crates/assistant2/src/assistant_panel.rs b/crates/assistant2/src/assistant_panel.rs
index f83a6dc75d..fb94a18e99 100644
--- a/crates/assistant2/src/assistant_panel.rs
+++ b/crates/assistant2/src/assistant_panel.rs
@@ -431,7 +431,7 @@ impl AssistantPanel {
                         active_provider.id() != provider.id()
                     })
                 {
-                    if let Some(model) = provider.provided_models(cx).first().cloned() {
+                    if let Some(model) = provider.default_model(cx) {
                         update_settings_file::<AssistantSettings>(
                             self.fs.clone(),
                             cx,
diff --git a/crates/assistant_settings/src/assistant_settings.rs b/crates/assistant_settings/src/assistant_settings.rs
index 56e801fad3..5e044282b0 100644
--- a/crates/assistant_settings/src/assistant_settings.rs
+++ b/crates/assistant_settings/src/assistant_settings.rs
@@ -512,7 +512,7 @@ mod tests {
                 AssistantSettings::get_global(cx).default_model,
                 LanguageModelSelection {
                     provider: "zed.dev".into(),
-                    model: "claude-3-5-sonnet".into(),
+                    model: "claude-3-5-sonnet-latest".into(),
                 }
             );
         });
diff --git a/crates/google_ai/src/google_ai.rs b/crates/google_ai/src/google_ai.rs
index ace7ea22c4..e885599a0f 100644
--- a/crates/google_ai/src/google_ai.rs
+++ b/crates/google_ai/src/google_ai.rs
@@ -299,7 +299,7 @@ pub struct CountTokensResponse {
 }
 
 #[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
-#[derive(Clone, Debug, Deserialize, Serialize, PartialEq, Eq, strum::EnumIter)]
+#[derive(Clone, Default, Debug, Deserialize, Serialize, PartialEq, Eq, strum::EnumIter)]
 pub enum Model {
     #[serde(rename = "gemini-1.5-pro")]
     Gemini15Pro,
@@ -308,6 +308,7 @@ pub enum Model {
     #[serde(rename = "gemini-2.0-pro-exp")]
     Gemini20Pro,
     #[serde(rename = "gemini-2.0-flash")]
+    #[default]
     Gemini20Flash,
     #[serde(rename = "gemini-2.0-flash-thinking-exp")]
     Gemini20FlashThinking,
diff --git a/crates/language_model/src/fake_provider.rs b/crates/language_model/src/fake_provider.rs
index a955638b21..0e4c0748fc 100644
--- a/crates/language_model/src/fake_provider.rs
+++ b/crates/language_model/src/fake_provider.rs
@@ -46,6 +46,10 @@ impl LanguageModelProvider for FakeLanguageModelProvider {
         provider_name()
     }
 
+    fn default_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
+        Some(Arc::new(FakeLanguageModel::default()))
+    }
+
     fn provided_models(&self, _: &App) -> Vec<Arc<dyn LanguageModel>> {
         vec![Arc::new(FakeLanguageModel::default())]
     }
diff --git a/crates/language_model/src/language_model.rs b/crates/language_model/src/language_model.rs
index 6219fda739..7b50702a6e 100644
--- a/crates/language_model/src/language_model.rs
+++ b/crates/language_model/src/language_model.rs
@@ -247,6 +247,7 @@ pub trait LanguageModelProvider: 'static {
     fn icon(&self) -> IconName {
         IconName::ZedAssistant
     }
+    fn default_model(&self, cx: &App) -> Option<Arc<dyn LanguageModel>>;
     fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>>;
     fn load_model(&self, _model: Arc<dyn LanguageModel>, _cx: &App) {}
     fn is_authenticated(&self, cx: &App) -> bool;
diff --git a/crates/language_models/src/provider/anthropic.rs b/crates/language_models/src/provider/anthropic.rs
index e3ca4998fe..9908929457 100644
--- a/crates/language_models/src/provider/anthropic.rs
+++ b/crates/language_models/src/provider/anthropic.rs
@@ -183,6 +183,17 @@ impl LanguageModelProvider for AnthropicLanguageModelProvider {
         IconName::AiAnthropic
     }
 
+    fn default_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
+        let model = anthropic::Model::default();
+        Some(Arc::new(AnthropicModel {
+            id: LanguageModelId::from(model.id().to_string()),
+            model,
+            state: self.state.clone(),
+            http_client: self.http_client.clone(),
+            request_limiter: RateLimiter::new(4),
+        }))
+    }
+
     fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
         let mut models = BTreeMap::default();
 
diff --git a/crates/language_models/src/provider/cloud.rs b/crates/language_models/src/provider/cloud.rs
index 05544f40db..236b78527b 100644
--- a/crates/language_models/src/provider/cloud.rs
+++ b/crates/language_models/src/provider/cloud.rs
@@ -272,6 +272,18 @@ impl LanguageModelProvider for CloudLanguageModelProvider {
         IconName::AiZed
     }
 
+    fn default_model(&self, cx: &App) -> Option<Arc<dyn LanguageModel>> {
+        let llm_api_token = self.state.read(cx).llm_api_token.clone();
+        let model = CloudModel::Anthropic(anthropic::Model::default());
+        Some(Arc::new(CloudLanguageModel {
+            id: LanguageModelId::from(model.id().to_string()),
+            model,
+            llm_api_token: llm_api_token.clone(),
+            client: self.client.clone(),
+            request_limiter: RateLimiter::new(4),
+        }))
+    }
+
     fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
         let mut models = BTreeMap::default();
 
diff --git a/crates/language_models/src/provider/copilot_chat.rs b/crates/language_models/src/provider/copilot_chat.rs
index 1c4a4273ac..7bf2cfe4f6 100644
--- a/crates/language_models/src/provider/copilot_chat.rs
+++ b/crates/language_models/src/provider/copilot_chat.rs
@@ -89,6 +89,14 @@ impl LanguageModelProvider for CopilotChatLanguageModelProvider {
         IconName::Copilot
     }
 
+    fn default_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
+        let model = CopilotChatModel::default();
+        Some(Arc::new(CopilotChatLanguageModel {
+            model,
+            request_limiter: RateLimiter::new(4),
+        }) as Arc<dyn LanguageModel>)
+    }
+
     fn provided_models(&self, _cx: &App) -> Vec<Arc<dyn LanguageModel>> {
         CopilotChatModel::iter()
             .map(|model| {
diff --git a/crates/language_models/src/provider/deepseek.rs b/crates/language_models/src/provider/deepseek.rs
index 91cc02149d..830e94ecb5 100644
--- a/crates/language_models/src/provider/deepseek.rs
+++ b/crates/language_models/src/provider/deepseek.rs
@@ -163,6 +163,17 @@ impl LanguageModelProvider for DeepSeekLanguageModelProvider {
         IconName::AiDeepSeek
     }
 
+    fn default_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
+        let model = deepseek::Model::Chat;
+        Some(Arc::new(DeepSeekLanguageModel {
+            id: LanguageModelId::from(model.id().to_string()),
+            model,
+            state: self.state.clone(),
+            http_client: self.http_client.clone(),
+            request_limiter: RateLimiter::new(4),
+        }))
+    }
+
     fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
         let mut models = BTreeMap::default();
 
diff --git a/crates/language_models/src/provider/google.rs b/crates/language_models/src/provider/google.rs
index 9e313935c2..0bf5001f79 100644
--- a/crates/language_models/src/provider/google.rs
+++ b/crates/language_models/src/provider/google.rs
@@ -166,6 +166,17 @@ impl LanguageModelProvider for GoogleLanguageModelProvider {
         IconName::AiGoogle
     }
 
+    fn default_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
+        let model = google_ai::Model::default();
+        Some(Arc::new(GoogleLanguageModel {
+            id: LanguageModelId::from(model.id().to_string()),
+            model,
+            state: self.state.clone(),
+            http_client: self.http_client.clone(),
+            rate_limiter: RateLimiter::new(4),
+        }))
+    }
+
     fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
         let mut models = BTreeMap::default();
 
diff --git a/crates/language_models/src/provider/lmstudio.rs b/crates/language_models/src/provider/lmstudio.rs
index 76832a44e1..edd07c053a 100644
--- a/crates/language_models/src/provider/lmstudio.rs
+++ b/crates/language_models/src/provider/lmstudio.rs
@@ -152,6 +152,10 @@ impl LanguageModelProvider for LmStudioLanguageModelProvider {
         IconName::AiLmStudio
     }
 
+    fn default_model(&self, cx: &App) -> Option<Arc<dyn LanguageModel>> {
+        self.provided_models(cx).into_iter().next()
+    }
+
     fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
         let mut models: BTreeMap<String, lmstudio::Model> = BTreeMap::default();
 
diff --git a/crates/language_models/src/provider/mistral.rs b/crates/language_models/src/provider/mistral.rs
index 032ee38c42..80a5988cff 100644
--- a/crates/language_models/src/provider/mistral.rs
+++ b/crates/language_models/src/provider/mistral.rs
@@ -167,6 +167,17 @@ impl LanguageModelProvider for MistralLanguageModelProvider {
         IconName::AiMistral
     }
 
+    fn default_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
+        let model = mistral::Model::default();
+        Some(Arc::new(MistralLanguageModel {
+            id: LanguageModelId::from(model.id().to_string()),
+            model,
+            state: self.state.clone(),
+            http_client: self.http_client.clone(),
+            request_limiter: RateLimiter::new(4),
+        }))
+    }
+
     fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
         let mut models = BTreeMap::default();
 
diff --git a/crates/language_models/src/provider/ollama.rs b/crates/language_models/src/provider/ollama.rs
index a982eb3aa7..33ad0bcafd 100644
--- a/crates/language_models/src/provider/ollama.rs
+++ b/crates/language_models/src/provider/ollama.rs
@@ -157,6 +157,10 @@ impl LanguageModelProvider for OllamaLanguageModelProvider {
         IconName::AiOllama
     }
 
+    fn default_model(&self, cx: &App) -> Option<Arc<dyn LanguageModel>> {
+        self.provided_models(cx).into_iter().next()
+    }
+
     fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
         let mut models: BTreeMap<String, ollama::Model> = BTreeMap::default();
 
diff --git a/crates/language_models/src/provider/open_ai.rs b/crates/language_models/src/provider/open_ai.rs
index ee277247b8..3e46983ebb 100644
--- a/crates/language_models/src/provider/open_ai.rs
+++ b/crates/language_models/src/provider/open_ai.rs
@@ -169,6 +169,17 @@ impl LanguageModelProvider for OpenAiLanguageModelProvider {
         IconName::AiOpenAi
     }
 
+    fn default_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
+        let model = open_ai::Model::default();
+        Some(Arc::new(OpenAiLanguageModel {
+            id: LanguageModelId::from(model.id().to_string()),
+            model,
+            state: self.state.clone(),
+            http_client: self.http_client.clone(),
+            request_limiter: RateLimiter::new(4),
+        }))
+    }
+
     fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
         let mut models = BTreeMap::default();