diff --git a/src/llm.rs b/src/llm.rs
   --- a/src/llm.rs
   +++ b/src/llm.rs
   @@ -556,6 +556,12 @@ fn process_openai_stream_event(
            }
        }
    
   +    if let Some(piece) = delta.get("thought").and_then(|t| t.as_str()).or_else(||
   delta.get("thinking").and_then(|t| t.as_str())) {
   +        if !piece.is_empty() {
   +            reasoning_text.push_str(piece);
   +        }
   +    }
   +
        if let Some(piece) = delta.get("reasoning_content").and_then(|t| t.as_str()) {
            if !piece.is_empty() {
                if reasoning_text.is_empty() {
   @@ -815,8 +821,8 @@ impl OpenAiProvider {
        pub fn new(config: &Config) -> Self {
            let is_openai_codex = is_openai_codex_provider(&config.llm_provider);
            let is_deepseek_provider = config.llm_provider.eq_ignore_ascii_case("deepseek");
   -        let enable_reasoning_content_bridge = is_deepseek_provider;
   -        let enable_thinking_param = is_deepseek_provider && config.show_thinking;
   +        let enable_reasoning_content_bridge = is_deepseek_provider ||
   config.llm_provider.eq_ignore_ascii_case("google");
   +        let enable_thinking_param = (is_deepseek_provider || config.llm_provider.eq_ignore_ascii_case("google"))
   && config.show_thinking;
            let configured_base = config.llm_base_url.as_deref().unwrap_or("");
            let base = resolve_openai_compat_base(&config.llm_provider, configured_base);
    
   @@ -869,9 +875,21 @@ impl OpenAiProvider {
    fn maybe_enable_thinking_param(body: &mut serde_json::Value, enabled: bool) {
        if !enabled {
            return;
        }
   +    let is_gemini_3 = body
   +        .get("model")
   +        .and_then(|m| m.as_str())
   +        .map_or(false, |m| m.contains("gemini-3"));
   +
        if let Some(obj) = body.as_object_mut() {
   -        obj.insert("thinking".to_string(), json!({"type": "enabled"}));
   +        if is_gemini_3 {
   +            obj.insert(
   +                "thinking_config".to_string(),
   +                json!({"include_thoughts": true, "max_thought_tokens": 0}),
   +            );
   +        } else {
   +            obj.insert("thinking".to_string(), json!({"type": "enabled"}));
   +        }
        }
    }