diff --git a/atroposlib/tests/test_env_imports.py b/atroposlib/tests/test_env_imports.py
new file mode 100644
index 000000000..103da5113
--- /dev/null
+++ b/atroposlib/tests/test_env_imports.py
@@ -0,0 +1,22 @@
+"""Regression tests for environment module imports.
+
+Ensures every environment module can be imported without errors
+(e.g. no stale references to renamed symbols like OpenaiConfig).
+"""
+
+import importlib
+
+import pytest
+
+
+@pytest.mark.parametrize(
+    "module_path",
+    [
+        "environments.sft_loader_server",
+        "environments.community.ufc_prediction_env.ufc_server",
+        "environments.community.ufc_prediction_env.ufc_image_env",
+    ],
+)
+def test_environment_module_imports(module_path):
+    """Each environment module should import without ImportError."""
+    importlib.import_module(module_path)
diff --git a/environments/community/ufc_prediction_env/ufc_image_env.py b/environments/community/ufc_prediction_env/ufc_image_env.py
index a63f21db2..f824e8ceb 100644
--- a/environments/community/ufc_prediction_env/ufc_image_env.py
+++ b/environments/community/ufc_prediction_env/ufc_image_env.py
@@ -10,7 +10,12 @@
 from PIL import Image
 from pydantic import Field
 
-from atroposlib.envs.base import BaseEnv, BaseEnvConfig, OpenaiConfig, ScoredDataGroup
+from atroposlib.envs.base import (
+    APIServerConfig,
+    BaseEnv,
+    BaseEnvConfig,
+    ScoredDataGroup,
+)
 from atroposlib.type_definitions import GameHistory, Item
 from atroposlib.utils.tokenize_for_trainer import tokenize_for_trainer
 
@@ -44,7 +49,7 @@ class UFCImageEnv(BaseEnv):
     def __init__(
         self,
         config: UFCImageEnvConfig,
-        server_configs: List[OpenaiConfig],
+        server_configs: List[APIServerConfig],
         slurm=True,
         testing=False,
     ):
@@ -323,7 +328,7 @@ async def evaluate(self, *args, **kwargs):
         return
 
     @classmethod
-    def config_init(cls) -> Tuple[BaseEnvConfig, List[OpenaiConfig]]:
+    def config_init(cls) -> Tuple[BaseEnvConfig, List[APIServerConfig]]:
         """Initialize configuration for the environment"""
         if not os.environ.get("OPENAI_API_KEY"):
             print("ERROR: OPENAI_API_KEY environment variable is not set!")
@@ -343,7 +348,7 @@ def config_init(cls) -> Tuple[BaseEnvConfig, List[OpenaiConfig]]:
         )
 
         server_configs = [
-            OpenaiConfig(
+            APIServerConfig(
                 model_name="gpt-4o",
                 base_url=None,
                 api_key=os.environ.get("OPENAI_API_KEY"),
diff --git a/environments/community/ufc_prediction_env/ufc_server.py b/environments/community/ufc_prediction_env/ufc_server.py
index f127449dc..935cad320 100644
--- a/environments/community/ufc_prediction_env/ufc_server.py
+++ b/environments/community/ufc_prediction_env/ufc_server.py
@@ -7,7 +7,12 @@
 
 from pydantic import Field
 
-from atroposlib.envs.base import BaseEnv, BaseEnvConfig, OpenaiConfig, ScoredDataGroup
+from atroposlib.envs.base import (
+    APIServerConfig,
+    BaseEnv,
+    BaseEnvConfig,
+    ScoredDataGroup,
+)
 from atroposlib.type_definitions import GameHistory, Item
 from atroposlib.utils.tokenize_for_trainer import tokenize_for_trainer
 
@@ -37,7 +42,7 @@ class UFCEnv(BaseEnv):
     def __init__(
         self,
         config: UFCEnvConfig,
-        server_configs: List[OpenaiConfig],
+        server_configs: List[APIServerConfig],
         slurm=True,
         testing=False,
     ):
diff --git a/environments/sft_loader_server.py b/environments/sft_loader_server.py
index af0811d02..46277dd5f 100644
--- a/environments/sft_loader_server.py
+++ b/environments/sft_loader_server.py
@@ -5,7 +5,12 @@
 from datasets import load_dataset
 from pydantic import Field
 
-from atroposlib.envs.base import BaseEnv, BaseEnvConfig, OpenaiConfig, ScoredDataGroup
+from atroposlib.envs.base import (
+    APIServerConfig,
+    BaseEnv,
+    BaseEnvConfig,
+    ScoredDataGroup,
+)
 from atroposlib.type_definitions import Item
 
 
@@ -58,7 +63,7 @@ class SFTEnv(BaseEnv):
     def __init__(
         self,
         config: SFTConfig,
-        server_configs: List[OpenaiConfig],
+        server_configs: List[APIServerConfig],
         slurm=True,
         testing=False,
     ):
@@ -72,7 +77,7 @@ def __init__(
         self.last_step = -1
 
     @classmethod
-    def config_init(cls) -> Tuple[BaseEnvConfig, List[OpenaiConfig]]:
+    def config_init(cls) -> Tuple[BaseEnvConfig, List[APIServerConfig]]:
         env_config = SFTConfig(
             tokenizer_name="NousResearch/DeepHermes-3-Llama-3-8B-Preview",
             group_size=8,
@@ -91,7 +96,7 @@ def config_init(cls) -> Tuple[BaseEnvConfig, List[OpenaiConfig]]:
             max_sft_per_step=8,
         )
         server_configs = [
-            OpenaiConfig(
+            APIServerConfig(
                 model_name="NousResearch/DeepHermes-3-Llama-3-8B-Preview",
                 base_url="http://localhost:9001/v1",
                 api_key="x",
@@ -235,7 +240,7 @@ async def checkout_formatting():
             dataset_column_name="conversations",
         ),
         server_configs=[
-            OpenaiConfig(
+            APIServerConfig(
                 model_name="NousResearch/DeepHermes-3-Llama-3-8B-Preview",
                 base_url="http://localhost:9001/v1",
                 api_key="x",