diff --git a/models/deepseek/deepseek-reasoner.yaml b/models/deepseek/deepseek-reasoner.yaml
new file mode 100644
index 0000000..bd0409f
--- /dev/null
+++ b/models/deepseek/deepseek-reasoner.yaml
@@ -0,0 +1,14 @@
+# yaml-language-server: $schema=https://modelparameters.dev/api/v1/schema.json
+provider: deepseek
+authType: api_key
+model: deepseek-reasoner
+params:
+  - path: reasoning_effort
+    type: enum
+    label: Reasoning effort
+    description: Controls DeepSeek thinking effort for the legacy thinking-mode model alias.
+    default: high
+    values:
+      - high
+      - max
+    group: reasoning
diff --git a/models/deepseek/deepseek-v3.1.yaml b/models/deepseek/deepseek-v3.1.yaml
deleted file mode 100644
index ccd6293..0000000
--- a/models/deepseek/deepseek-v3.1.yaml
+++ /dev/null
@@ -1,14 +0,0 @@
-# yaml-language-server: $schema=https://modelparameters.dev/api/v1/schema.json
-provider: deepseek
-authType: api_key
-model: deepseek-v3.1
-params:
-  - path: thinking.type
-    type: enum
-    label: Thinking mode
-    description: Controls whether DeepSeek thinking mode is enabled for this model.
-    default: enabled
-    values:
-      - enabled
-      - disabled
-    group: reasoning
diff --git a/models/deepseek/deepseek-v3.2.yaml b/models/deepseek/deepseek-v3.2.yaml
deleted file mode 100644
index d5bde22..0000000
--- a/models/deepseek/deepseek-v3.2.yaml
+++ /dev/null
@@ -1,14 +0,0 @@
-# yaml-language-server: $schema=https://modelparameters.dev/api/v1/schema.json
-provider: deepseek
-authType: api_key
-model: deepseek-v3.2
-params:
-  - path: thinking.type
-    type: enum
-    label: Thinking mode
-    description: Controls whether DeepSeek thinking mode is enabled for this model.
-    default: enabled
-    values:
-      - enabled
-      - disabled
-    group: reasoning
diff --git a/models/deepseek/deepseek-v4-flash.yaml b/models/deepseek/deepseek-v4-flash.yaml
new file mode 100644
index 0000000..8a08870
--- /dev/null
+++ b/models/deepseek/deepseek-v4-flash.yaml
@@ -0,0 +1,26 @@
+# yaml-language-server: $schema=https://modelparameters.dev/api/v1/schema.json
+provider: deepseek
+authType: api_key
+model: deepseek-v4-flash
+params:
+  - path: thinking.type
+    type: enum
+    label: Thinking mode
+    description: Controls whether DeepSeek uses thinking mode before producing the final answer.
+    default: enabled
+    values:
+      - enabled
+      - disabled
+    group: reasoning
+  - path: reasoning_effort
+    type: enum
+    label: Reasoning effort
+    description: Controls DeepSeek thinking effort when thinking mode is enabled.
+    default: high
+    values:
+      - high
+      - max
+    group: reasoning
+    applicability:
+      only:
+        thinking.type: enabled
diff --git a/models/deepseek/deepseek-v4-pro.yaml b/models/deepseek/deepseek-v4-pro.yaml
new file mode 100644
index 0000000..9d197d4
--- /dev/null
+++ b/models/deepseek/deepseek-v4-pro.yaml
@@ -0,0 +1,26 @@
+# yaml-language-server: $schema=https://modelparameters.dev/api/v1/schema.json
+provider: deepseek
+authType: api_key
+model: deepseek-v4-pro
+params:
+  - path: thinking.type
+    type: enum
+    label: Thinking mode
+    description: Controls whether DeepSeek uses thinking mode before producing the final answer.
+    default: enabled
+    values:
+      - enabled
+      - disabled
+    group: reasoning
+  - path: reasoning_effort
+    type: enum
+    label: Reasoning effort
+    description: Controls DeepSeek thinking effort when thinking mode is enabled.
+    default: high
+    values:
+      - high
+      - max
+    group: reasoning
+    applicability:
+      only:
+        thinking.type: enabled
diff --git a/models/deepseek/deepseek-v4.yaml b/models/deepseek/deepseek-v4.yaml
deleted file mode 100644
index 1ca1560..0000000
--- a/models/deepseek/deepseek-v4.yaml
+++ /dev/null
@@ -1,14 +0,0 @@
-# yaml-language-server: $schema=https://modelparameters.dev/api/v1/schema.json
-provider: deepseek
-authType: api_key
-model: deepseek-v4
-params:
-  - path: thinking.type
-    type: enum
-    label: Thinking mode
-    description: Controls whether DeepSeek thinking mode is enabled for this model.
-    default: enabled
-    values:
-      - enabled
-      - disabled
-    group: reasoning