diff --git a/llama.cpp b/llama.cpp
index 61948751..2c683ef6 100644
--- a/llama.cpp
+++ b/llama.cpp
@@ -15586,6 +15586,15 @@ static void llama_model_quantize_internal(const std::string & fname_inp, const s
     const auto tn = LLM_TN(model.arch);
     new_ofstream(0);
     for (int i = 0; i < ml.n_tensors; ++i) {
+
+        if (params->quantize_callback){
+            LLAMA_LOG_INFO("ENTERED CALLBACK\n");
+            if (!params->quantize_callback(i, params->quantize_callback_data)) {
+                return;
+            }
+            LLAMA_LOG_INFO("CURRENTLY AT ", i/ml.n_tensors * 100);
+        }
+
         auto weight = ml.get_weight(i);
         struct ggml_tensor * tensor = weight->tensor;
         if (weight->idx != cur_split && params->keep_split) {
@@ -16119,6 +16128,8 @@ struct llama_model_quantize_params llama_model_quantize_default_params() {
         /*.keep_split                  =*/ false,
         /*.imatrix                     =*/ nullptr,
         /*.kv_overrides                =*/ nullptr,
+        /*.quantize_callback           =*/ nullptr,
+        /*.quantize_callback_data      =*/ nullptr,
     };
 
     return result;
diff --git a/llama.h b/llama.h
index da310ffa..9b48d889 100644
--- a/llama.h
+++ b/llama.h
@@ -337,6 +337,9 @@ extern "C" {
         bool keep_split;                     // quantize to the same number of shards
         void * imatrix;                      // pointer to importance matrix data
         void * kv_overrides;                 // pointer to vector containing overrides
+
+        llama_progress_callback quantize_callback;
+        void * quantize_callback_data;
     } llama_model_quantize_params;
 
     // grammar types