diff --git a/evaluate.py b/evaluate.py
index d9ce2cd..952648b 100644
--- a/evaluate.py
+++ b/evaluate.py
@@ -22,7 +22,7 @@
 
 HF_USER_TOKEN = os.getenv("HF_USER_TOKEN")
 VALIDATE = os.getenv("VALIDATE", "Validate")
-
+DOWNWARD = os.getenv("DOWNWARD", "downward")
 
 def signal_handler(signum, frame):
     raise TimeoutError("Timed out")
@@ -140,6 +140,7 @@ def load_planner(config: Mapping[str, dict[str, str]]) -> llmp.Planner:
     elif config["model"]["type"] == "hf":
         llm = llmp.VLLMPlanner(
             config["model"]["model_name"],
+            lora=config["model"].get("lora"),
             tokenizer=config["model"]["tokenizer_name"],
             trust_remote_code=True,
             dtype=torch.bfloat16,
@@ -274,6 +275,8 @@ def clean(pddl_str: str) -> str:
 def validate(
     pddl_str: str,
     domain_str: str,
+    fast_downward: str = DOWNWARD,
+    **downward_args,
 ) -> bool:
     """Validate a PDDL problem as "solvable".
 
@@ -292,6 +295,17 @@ def validate(
         valid = downward.validate(domain_str, pddl_str, plan, VALIDATE)
     except (LarkError, AttributeError, ValueError):
         pass
+    except (oracle.DomainNotSupportedError, NotImplementedError):
+        try:
+            plan_str, _ = downward.plan(
+                domain_str,
+                pddl_str,
+                downward=fast_downward,
+                **downward_args,
+            )
+            valid = downward.validate(domain_str, pddl_str, plan_str, VALIDATE)
+        except:
+            pass
 
     return valid
 
@@ -325,7 +339,11 @@ def equivalence(
 
     return (
         parseable,
-        validate(llm_problem_pddl, domains[graphs["llm_problem_graph"].domain]),
+        validate(
+            llm_problem_pddl,
+            domains[graphs["llm_problem_graph"].domain],
+            alias="lama-first",
+        ),
         full_equivalence(
             graphs["problem_graph"],
             graphs["llm_problem_graph"],
@@ -465,7 +483,7 @@ def generate_openai(
                             problem_id,
                             config_str,
                             model_name,
-                            llm_problem_pddl,
+                            llm_problem_pddl[0],
                         ),
                     )
                     pbar.update()
@@ -574,7 +592,7 @@ def _evaluate(args):
             return problem_id, config_str, model_name, (None, None, None)
         except Exception as e:
             equivalent = None
-            raise e
+            print("ERROR", e, problem_id, llm_problem_pddl)
         cursor.close()
     return problem_id, config_str, model_name, (parseable, valid, equivalent)
 
diff --git a/llm_planner.py b/llm_planner.py
index 19462a3..05f0e21 100644
--- a/llm_planner.py
+++ b/llm_planner.py
@@ -10,6 +10,7 @@
 )
 
 from vllm import LLM, RequestOutput, SamplingParams
+from vllm.lora.request import LoRARequest
 
 
 class PlanningProblem:
@@ -193,14 +194,15 @@ def plan_chat(
 class VLLMPlanner(Planner):
     """A class for planning using VLLM models."""
 
-    def __init__(self, model_name: str, **kwargs):
+    def __init__(self, model_name: str, lora: str | None = None, **kwargs):
         """Initializes a new VLLMPlanner.
 
         Args:
             model_name (str): The name of the model to be used.
             kwargs: Additional keyword arguments to be passed to the model.
         """
-        self.model = LLM(model_name, **kwargs)
+        self.lora = LoRARequest(lora, 1, lora) if lora else None
+        self.model = LLM(model_name, enable_lora=bool(lora), **kwargs)
         self.tokenizer = self.model.get_tokenizer()
 
     def plan_chat(
@@ -236,6 +238,7 @@ def plan_chat(
             encoded,
             params,
             use_tqdm=False,
+            lora_request=self.lora,
         )
 
         return [output.outputs[0].text for output in outputs]
@@ -254,6 +257,7 @@ def __init__(self, model_name: str, **kwargs):
         """
         self.client = OpenAI(**kwargs)
         self.model_name = model_name
+        self.is_o1 = model_name.startswith("o1")
 
     def _plan_chat(
         self,
@@ -273,20 +277,36 @@ def _plan_chat(
             str: The message completion.
         """
 
-        return (
-            self.client.chat.completions.create(
-                model=self.model_name,
-                messages=messages,
-                frequency_penalty=kwargs.get("frequency_penalty", None),
-                max_tokens=max_new_tokens,
-                n=1,
-                presence_penalty=kwargs.get("presence_penalty", None),
-                temperature=kwargs.get("temperature", 0.0),
-                top_p=kwargs.get("top_p", None),
+        if self.is_o1:
+            return (
+                self.client.chat.completions.create(
+                    model=self.model_name,
+                    messages=messages,
+                    frequency_penalty=kwargs.get("frequency_penalty", None),
+                    max_completion_tokens=max_new_tokens,
+                    n=1,
+                    presence_penalty=kwargs.get("presence_penalty", None),
+                    temperature=kwargs.get("temperature", 0.0),
+                    top_p=kwargs.get("top_p", None),
+                )
+                .choices[0]
+                .message.content
+            )
+        else:
+            return (
+                self.client.chat.completions.create(
+                    model=self.model_name,
+                    messages=messages,
+                    frequency_penalty=kwargs.get("frequency_penalty", None),
+                    max_tokens=max_new_tokens,
+                    n=1,
+                    presence_penalty=kwargs.get("presence_penalty", None),
+                    temperature=kwargs.get("temperature", 0.0),
+                    top_p=kwargs.get("top_p", None),
+                )
+                .choices[0]
+                .message.content
             )
-            .choices[0]
-            .message.content
-        )
 
     def plan_chat(
         self,
@@ -313,4 +333,4 @@ def plan_chat(
                 **kwargs,
             )
             for message in messages
-        ]
\ No newline at end of file
+        ]