diff --git a/pyproject.toml b/pyproject.toml
index fa162a3..3614316 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "workflowai"
-version = "0.6.8"
+version = "0.6.9"
 description = "Python SDK for WorkflowAI"
 authors = ["Guillaume Aquilina <guillaume@workflowai.com>"]
 readme = "README.md"
diff --git a/workflowai/core/domain/model.py b/workflowai/core/domain/model.py
index efa7576..60e5408 100644
--- a/workflowai/core/domain/model.py
+++ b/workflowai/core/domain/model.py
@@ -28,12 +28,24 @@ class Model(str, Enum):
     GPT_4O_2024_05_13 = "gpt-4o-2024-05-13"
     GPT_4O_MINI_LATEST = "gpt-4o-mini-latest"
     GPT_4O_MINI_2024_07_18 = "gpt-4o-mini-2024-07-18"
+    O3_LATEST_HIGH_REASONING_EFFORT = "o3-latest-high"
+    O3_LATEST_MEDIUM_REASONING_EFFORT = "o3-latest-medium"
+    O3_LATEST_LOW_REASONING_EFFORT = "o3-latest-low"
+    O3_2025_04_16_HIGH_REASONING_EFFORT = "o3-2025-04-16-high"
+    O3_2025_04_16_MEDIUM_REASONING_EFFORT = "o3-2025-04-16-medium"
+    O3_2025_04_16_LOW_REASONING_EFFORT = "o3-2025-04-16-low"
     O3_MINI_LATEST_HIGH_REASONING_EFFORT = "o3-mini-latest-high"
     O3_MINI_LATEST_MEDIUM_REASONING_EFFORT = "o3-mini-latest-medium"
     O3_MINI_LATEST_LOW_REASONING_EFFORT = "o3-mini-latest-low"
     O3_MINI_2025_01_31_HIGH_REASONING_EFFORT = "o3-mini-2025-01-31-high"
     O3_MINI_2025_01_31_MEDIUM_REASONING_EFFORT = "o3-mini-2025-01-31-medium"
     O3_MINI_2025_01_31_LOW_REASONING_EFFORT = "o3-mini-2025-01-31-low"
+    O4_MINI_LATEST_HIGH_REASONING_EFFORT = "o4-mini-latest-high"
+    O4_MINI_LATEST_MEDIUM_REASONING_EFFORT = "o4-mini-latest-medium"
+    O4_MINI_LATEST_LOW_REASONING_EFFORT = "o4-mini-latest-low"
+    O4_MINI_2025_04_16_HIGH_REASONING_EFFORT = "o4-mini-2025-04-16-high"
+    O4_MINI_2025_04_16_MEDIUM_REASONING_EFFORT = "o4-mini-2025-04-16-medium"
+    O4_MINI_2025_04_16_LOW_REASONING_EFFORT = "o4-mini-2025-04-16-low"
     O1_2024_12_17_HIGH_REASONING_EFFORT = "o1-2024-12-17-high"
     O1_2024_12_17_MEDIUM_REASONING_EFFORT = "o1-2024-12-17"
     O1_2024_12_17_LOW_REASONING_EFFORT = "o1-2024-12-17-low"