diff --git a/src/crewai/cli/constants.py b/src/crewai/cli/constants.py
index fec0b6384..62d161c71 100644
--- a/src/crewai/cli/constants.py
+++ b/src/crewai/cli/constants.py
@@ -123,6 +123,7 @@ MODELS = {
         "claude-3-haiku-20240307",
     ],
     "gemini": [
+        "gemini/gemini-2.5-pro-exp-03-25",
         "gemini/gemini-1.5-flash",
         "gemini/gemini-1.5-pro",
         "gemini/gemini-gemma-2-9b-it",
diff --git a/src/crewai/llm.py b/src/crewai/llm.py
index 741544662..661ed9426 100644
--- a/src/crewai/llm.py
+++ b/src/crewai/llm.py
@@ -81,6 +81,7 @@ LLM_CONTEXT_WINDOW_SIZES = {
     "o1-mini": 128000,
     "o3-mini": 200000,  # Based on official o3-mini specifications
     # gemini
+    "gemini-2.5-pro-exp-03-25": 2097152,
     "gemini-2.0-flash": 1048576,
     "gemini-1.5-pro": 2097152,
     "gemini-1.5-flash": 1048576,
diff --git a/tests/test_gemini_2_5_support.py b/tests/test_gemini_2_5_support.py
new file mode 100644
index 000000000..7d4902c8b
--- /dev/null
+++ b/tests/test_gemini_2_5_support.py
@@ -0,0 +1,14 @@
+import pytest
+from crewai.llm import LLM
+
+def test_get_custom_llm_provider_gemini_2_5():
+    """Test that the Gemini 2.5 model is correctly identified as a Gemini provider."""
+    llm = LLM(model="gemini/gemini-2.5-pro-exp-03-25")
+    assert llm._get_custom_llm_provider() == "gemini"
+
+def test_gemini_2_5_context_window_size():
+    """Test that the Gemini 2.5 model has the correct context window size."""
+    llm = LLM(model="gemini-2.5-pro-exp-03-25")
+    from crewai.llm import CONTEXT_WINDOW_USAGE_RATIO
+    expected_size = int(2097152 * CONTEXT_WINDOW_USAGE_RATIO)
+    assert llm.get_context_window_size() == expected_size