merge

src/providers/deepseek.rs

@@ -152,8 +152,11 @@ impl super::Provider for DeepSeekProvider {
         // Sanitize and fix for deepseek-reasoner (R1)
         if request.model == "deepseek-reasoner" {
             if let Some(obj) = body.as_object_mut() {
-                obj.remove("stream_options");
+                // Keep stream_options if present (DeepSeek supports include_usage)
+                
+                // Remove unsupported parameters
                 obj.remove("temperature");
+
                 obj.remove("top_p");
                 obj.remove("presence_penalty");
                 obj.remove("frequency_penalty");
@@ -177,11 +180,6 @@ impl super::Provider for DeepSeekProvider {
                     }
                 }
             }
-        } else {
-            // For standard deepseek-chat, keep it clean
-            if let Some(obj) = body.as_object_mut() {
-                obj.remove("stream_options");
-            }
         }
 
         let url = format!("{}/chat/completions", self.config.base_url);

src/providers/openai.rs

@@ -317,8 +317,7 @@ impl super::Provider for OpenAIProvider {
 
         // Standard OpenAI cleanup
         if let Some(obj) = body.as_object_mut() {
-            obj.remove("stream_options");
-
+            // stream_options.include_usage is supported by OpenAI for token usage in streaming
             // Transition: Newer OpenAI models (o1, o3, gpt-5) require max_completion_tokens
             if request.model.starts_with("o1-") || request.model.starts_with("o3-") || request.model.contains("gpt-5") {
                 if let Some(max_tokens) = obj.remove("max_tokens") {