diff --git a/litellm/__init__.py b/litellm/__init__.py
index 5e57d7678..6c3c44c21 100644
--- a/litellm/__init__.py
+++ b/litellm/__init__.py
@@ -363,6 +363,7 @@ vertex_llama3_models: List = []
 vertex_ai_ai21_models: List = []
 vertex_mistral_models: List = []
 ai21_models: List = []
+ai21_chat_models: List = []
 nlp_cloud_models: List = []
 aleph_alpha_models: List = []
 bedrock_models: List = []
@@ -415,7 +416,10 @@ for key, value in model_cost.items():
         key = key.replace("vertex_ai/", "")
         vertex_ai_ai21_models.append(key)
     elif value.get("litellm_provider") == "ai21":
-        ai21_models.append(key)
+        if value.get("mode") == "chat":
+            ai21_chat_models.append(key)
+        else:
+            ai21_models.append(key)
     elif value.get("litellm_provider") == "nlp_cloud":
         nlp_cloud_models.append(key)
     elif value.get("litellm_provider") == "aleph_alpha":
@@ -644,6 +648,7 @@ model_list = (
     + vertex_chat_models
     + vertex_text_models
     + ai21_models
+    + ai21_chat_models
     + together_ai_models
     + baseten_models
     + aleph_alpha_models
diff --git a/litellm/tests/test_completion.py b/litellm/tests/test_completion.py
index b010bd602..f223a7e2b 100644
--- a/litellm/tests/test_completion.py
+++ b/litellm/tests/test_completion.py
@@ -4481,7 +4481,7 @@ async def test_dynamic_azure_params(stream, sync_mode):
 async def test_completion_ai21():
     litellm.set_verbose = True
     response = await litellm.acompletion(
-        model="ai21_chat/jamba-1.5-large",
+        model="jamba-1.5-large",
         user="ishaan",
         tool_choice="auto",
         seed=123,
diff --git a/litellm/tests/test_get_llm_provider.py b/litellm/tests/test_get_llm_provider.py
index 5e1c1f4fe..921420f80 100644
--- a/litellm/tests/test_get_llm_provider.py
+++ b/litellm/tests/test_get_llm_provider.py
@@ -68,3 +68,12 @@ def test_get_llm_provider_deepseek_custom_api_base():
     assert api_base == "MY-FAKE-BASE"
 
     os.environ.pop("DEEPSEEK_API_BASE")
+
+
+def test_get_llm_provider_ai21_chat():
+    model, custom_llm_provider, dynamic_api_key, api_base = litellm.get_llm_provider(
+        model="jamba-1.5-large",
+    )
+    assert custom_llm_provider == "ai21_chat"
+    assert model == "jamba-1.5-large"
+    assert api_base == "https://api.ai21.com/studio/v1"
diff --git a/litellm/utils.py b/litellm/utils.py
index 0c990ddea..85744c2df 100644
--- a/litellm/utils.py
+++ b/litellm/utils.py
@@ -4958,6 +4958,14 @@ def get_llm_provider(
         ## ai21
         elif model in litellm.ai21_models:
             custom_llm_provider = "ai21"
+        elif model in litellm.ai21_chat_models:
+            custom_llm_provider = "ai21_chat"
+            api_base = (
+                api_base
+                or get_secret("AI21_API_BASE")
+                or "https://api.ai21.com/studio/v1"
+            )  # type: ignore
+            dynamic_api_key = api_key or get_secret("AI21_API_KEY")
         ## aleph_alpha
         elif model in litellm.aleph_alpha_models:
             custom_llm_provider = "aleph_alpha"