diff --git a/setup.sh b/setup.sh
index be98c53a..48c50e63 100755
--- a/setup.sh
+++ b/setup.sh
@@ -52,7 +52,12 @@ setup_llm_providers() {
         else
             update_or_add_env_var "OPENAI_API_KEY" "$openai_api_key"
             update_or_add_env_var "ENABLE_OPENAI" "true"
-            model_options+=("OPENAI_GPT4_TURBO" "OPENAI_GPT4V" "OPENAI_GPT4O")
+            model_options+=(
+                "OPENAI_GPT4_1"
+                "OPENAI_GPT4_1_MINI"
+                "OPENAI_GPT4_1_NANO"
+                "OPENAI_GPT4O"
+            )
         fi
     else
         update_or_add_env_var "ENABLE_OPENAI" "false"
@@ -69,7 +74,10 @@ setup_llm_providers() {
         else
             update_or_add_env_var "ANTHROPIC_API_KEY" "$anthropic_api_key"
             update_or_add_env_var "ENABLE_ANTHROPIC" "true"
-            model_options+=("ANTHROPIC_CLAUDE3_OPUS" "ANTHROPIC_CLAUDE3_SONNET" "ANTHROPIC_CLAUDE3_HAIKU" "ANTHROPIC_CLAUDE3.5_SONNET")
+            model_options+=(
+                "ANTHROPIC_CLAUDE3.5_SONNET"
+                "ANTHROPIC_CLAUDE3.7_SONNET"
+            )
         fi
     else
         update_or_add_env_var "ENABLE_ANTHROPIC" "false"
@@ -92,7 +100,9 @@ setup_llm_providers() {
             update_or_add_env_var "AZURE_API_BASE" "$azure_api_base"
             update_or_add_env_var "AZURE_API_VERSION" "$azure_api_version"
             update_or_add_env_var "ENABLE_AZURE" "true"
-            model_options+=("AZURE_OPENAI_GPT4V")
+            model_options+=(
+                "AZURE_OPENAI_GPT4O"
+            )
         fi
     else
         update_or_add_env_var "ENABLE_AZURE" "false"
@@ -112,7 +122,6 @@ setup_llm_providers() {
             model_options+=(
                 "GEMINI_FLASH_2_0"
                 "GEMINI_FLASH_2_0_LITE"
-                "GEMINI_PRO"
                 "GEMINI_2.5_PRO_PREVIEW_03_25"
                 "GEMINI_2.5_PRO_EXP_03_25"
             )
diff --git a/skyvern/cli/commands.py b/skyvern/cli/commands.py
index d882e398..46348246 100644
--- a/skyvern/cli/commands.py
+++ b/skyvern/cli/commands.py
@@ -221,7 +221,14 @@ def setup_llm_providers() -> None:
         else:
             update_or_add_env_var("OPENAI_API_KEY", openai_api_key)
             update_or_add_env_var("ENABLE_OPENAI", "true")
-            model_options.extend(["OPENAI_GPT4O"])
+            model_options.extend(
+                [
+                    "OPENAI_GPT4_1",
+                    "OPENAI_GPT4_1_MINI",
+                    "OPENAI_GPT4_1_NANO",
+                    "OPENAI_GPT4O",
+                ]
+            )
     else:
         update_or_add_env_var("ENABLE_OPENAI", "false")
 
@@ -238,8 +245,6 @@ def setup_llm_providers() -> None:
             update_or_add_env_var("ENABLE_ANTHROPIC", "true")
             model_options.extend(
                 [
-                    "ANTHROPIC_CLAUDE3_OPUS",
-                    "ANTHROPIC_CLAUDE3_HAIKU",
                     "ANTHROPIC_CLAUDE3.5_SONNET",
                     "ANTHROPIC_CLAUDE3.7_SONNET",
                 ]
@@ -283,7 +288,6 @@ def setup_llm_providers() -> None:
                 [
                     "GEMINI_FLASH_2_0",
                     "GEMINI_FLASH_2_0_LITE",
-                    "GEMINI_PRO",
                     "GEMINI_2.5_PRO_PREVIEW_03_25",
                     "GEMINI_2.5_PRO_EXP_03_25",
                 ]
@@ -856,5 +860,9 @@ def init() -> None:
             print("\nMCP configuration is complete! Your AI applications are now ready to use Skyvern Cloud.")
 
     if run_local:
+        print("\nInstalling Chromium browser...")
+        subprocess.run(["playwright", "install", "chromium"], check=True)
+        print("Chromium installation complete.")
+
         print("\nTo start using Skyvern, run:")
         print("    skyvern run server")
diff --git a/skyvern/config.py b/skyvern/config.py
index 223ab153..992cf5c6 100644
--- a/skyvern/config.py
+++ b/skyvern/config.py
@@ -99,7 +99,8 @@ class Settings(BaseSettings):
     # LLM Configuration #
     #####################
     # ACTIVE LLM PROVIDER
-    LLM_KEY: str = "OPENAI_GPT4O"
+    LLM_KEY: str = "OPENAI_GPT4O"  # This is the model name
+    LLM_API_KEY: str | None = None  # API key for the model
     SECONDARY_LLM_KEY: str | None = None
     SELECT_AGENT_LLM_KEY: str | None = None
     SINGLE_CLICK_AGENT_LLM_KEY: str | None = None
@@ -108,6 +109,8 @@ class Settings(BaseSettings):
     LLM_CONFIG_TIMEOUT: int = 300
     LLM_CONFIG_MAX_TOKENS: int = 4096
     LLM_CONFIG_TEMPERATURE: float = 0
+    LLM_CONFIG_SUPPORT_VISION: bool = True  # Whether the model supports vision
+    LLM_CONFIG_ADD_ASSISTANT_PREFIX: bool = False  # Whether to add assistant prefix
     # LLM PROVIDER SPECIFIC
     ENABLE_OPENAI: bool = False
     ENABLE_ANTHROPIC: bool = False
diff --git a/skyvern/forge/sdk/api/llm/config_registry.py b/skyvern/forge/sdk/api/llm/config_registry.py
index b03f1a3a..500465d9 100644
--- a/skyvern/forge/sdk/api/llm/config_registry.py
+++ b/skyvern/forge/sdk/api/llm/config_registry.py
@@ -37,7 +37,17 @@ class LLMConfigRegistry:
     @classmethod
     def get_config(cls, llm_key: str) -> LLMRouterConfig | LLMConfig:
         if llm_key not in cls._configs:
-            raise InvalidLLMConfigError(llm_key)
+            # If the key is not found in registered configs, treat it as a general model
+            LOG.info("Using general model configuration for unknown LLM key", llm_key=llm_key)
+            if not llm_key:
+                raise InvalidLLMConfigError(f"LLM_KEY not set for {llm_key}")
+            return LLMConfig(
+                llm_key,  # Use the LLM_KEY as the model name
+                ["LLM_API_KEY"],
+                supports_vision=settings.LLM_CONFIG_SUPPORT_VISION,
+                add_assistant_prefix=settings.LLM_CONFIG_ADD_ASSISTANT_PREFIX,
+                max_completion_tokens=settings.LLM_CONFIG_MAX_TOKENS,
+            )
 
         return cls._configs[llm_key]
 
@@ -52,6 +62,36 @@ if settings.ENABLE_OPENAI:
             add_assistant_prefix=False,
         ),
     )
+    LLMConfigRegistry.register_config(
+        "OPENAI_GPT4_1",
+        LLMConfig(
+            "gpt-4.1",
+            ["OPENAI_API_KEY"],
+            supports_vision=True,
+            add_assistant_prefix=False,
+            max_completion_tokens=16384,
+        ),
+    )
+    LLMConfigRegistry.register_config(
+        "OPENAI_GPT4_1_MINI",
+        LLMConfig(
+            "gpt-4.1-mini",
+            ["OPENAI_API_KEY"],
+            supports_vision=True,
+            add_assistant_prefix=False,
+            max_completion_tokens=16384,
+        ),
+    )
+    LLMConfigRegistry.register_config(
+        "OPENAI_GPT4_1_NANO",
+        LLMConfig(
+            "gpt-4.1-nano",
+            ["OPENAI_API_KEY"],
+            supports_vision=True,
+            add_assistant_prefix=False,
+            max_completion_tokens=16384,
+        ),
+    )
     LLMConfigRegistry.register_config(
         "OPENAI_GPT4_5",
         LLMConfig(