diff --git a/aider/resources/model-metadata.json b/aider/resources/model-metadata.json
index 52d98e2e9..64d851599 100644
--- a/aider/resources/model-metadata.json
+++ b/aider/resources/model-metadata.json
@@ -63,6 +63,22 @@
         //"supports_tool_choice": true,
         "supports_prompt_caching": true
     },
+    "openrouter/deepseek/deepseek-chat-v3-0324": {
+        "max_tokens": 8192,
+        "max_input_tokens": 64000,
+        "max_output_tokens": 8192,
+        "input_cost_per_token": 0.00000055,
+        "input_cost_per_token_cache_hit": 0.00000014,
+        "cache_read_input_token_cost": 0.00000014,
+        "cache_creation_input_token_cost": 0.0,
+        "output_cost_per_token": 0.00000219,
+        "litellm_provider": "openrouter",
+        "mode": "chat",
+        //"supports_function_calling": true, 
+        "supports_assistant_prefill": true,
+        //"supports_tool_choice": true,
+        "supports_prompt_caching": true
+    },
     "fireworks_ai/accounts/fireworks/models/deepseek-r1": {
         "max_tokens": 160000,
         "max_input_tokens": 128000,
diff --git a/aider/resources/model-settings.yml b/aider/resources/model-settings.yml
index 918655d41..a16b4ff23 100644
--- a/aider/resources/model-settings.yml
+++ b/aider/resources/model-settings.yml
@@ -658,6 +658,15 @@
   reminder: sys
   examples_as_sys_msg: true
 
+- name: openrouter/deepseek/deepseek-chat-v3-0324
+  edit_format: diff
+  use_repo_map: true
+  reminder: sys
+  examples_as_sys_msg: true
+  extra_params:
+    max_tokens: 8192
+  caches_by_default: true
+
 - name: openrouter/openai/gpt-4o
   edit_format: diff
   weak_model_name: openrouter/openai/gpt-4o-mini