fixing failing tests and updating rederend config file

arch/envoy.template.yaml

@@ -626,32 +626,6 @@ static_resources:
               tls_minimum_protocol_version: TLSv1_2
               tls_maximum_protocol_version: TLSv1_3
 
-    - name: lambda_ai
-      connect_timeout: 0.5s
-      type: LOGICAL_DNS
-      dns_lookup_family: V4_ONLY
-      lb_policy: ROUND_ROBIN
-      load_assignment:
-        cluster_name: xai
-        endpoints:
-          - lb_endpoints:
-              - endpoint:
-                  address:
-                    socket_address:
-                      address: api.lambda.ai
-                      port_value: 443
-                  hostname: "api.lambda.ai"
-      transport_socket:
-        name: envoy.transport_sockets.tls
-        typed_config:
-          "@type": type.googleapis.com/envoy.extensions.transport_sockets.tls.v3.UpstreamTlsContext
-          sni: api.lambda.ai
-          common_tls_context:
-            tls_params:
-              tls_minimum_protocol_version: TLSv1_2
-              tls_maximum_protocol_version: TLSv1_3
-
-
     - name: gemini
       connect_timeout: 0.5s
       type: LOGICAL_DNS

arch/tools/cli/config_generator.py

@@ -15,7 +15,6 @@ SUPPORTED_PROVIDERS = [
     "gemini",
     "anthropic",
     "together_ai",
-    "lambda_ai",
     "azure_openai",
     "xai",
 ]

crates/common/src/configuration.rs

@@ -171,8 +171,6 @@ pub enum LlmProviderType {
     XAI,
     #[serde(rename = "together_ai")]
     TogetherAI,
-    #[serde(rename = "lambda_ai")]
-    LambdaAI,
     #[serde(rename = "azure_openai")]
     AzureOpenAI,
 }
@@ -189,7 +187,6 @@ impl Display for LlmProviderType {
             LlmProviderType::OpenAI => write!(f, "openai"),
             LlmProviderType::XAI => write!(f, "xai"),
             LlmProviderType::TogetherAI => write!(f, "together_ai"),
-            LlmProviderType::LambdaAI => write!(f, "lambda_ai"),
             LlmProviderType::AzureOpenAI => write!(f, "azure_openai"),
         }
     }

crates/hermesllm/src/providers/id.rs

@@ -16,7 +16,6 @@ pub enum ProviderId {
     AzureOpenAI,
     XAI,
     TogetherAI,
-    LambdaAI,
 }
 
 impl From<&str> for ProviderId {
@@ -33,7 +32,6 @@ impl From<&str> for ProviderId {
             "azure_openai" => ProviderId::AzureOpenAI,
             "xai" => ProviderId::XAI,
             "together_ai" => ProviderId::TogetherAI,
-            "lambda_ai" => ProviderId::LambdaAI,
             _ => panic!("Unknown provider: {}", value),
         }
     }
@@ -57,8 +55,7 @@ impl ProviderId {
             | ProviderId::GitHub
             | ProviderId::AzureOpenAI
             | ProviderId::XAI
-            | ProviderId::TogetherAI
+            | ProviderId::TogetherAI,
-            | ProviderId::LambdaAI,
             SupportedAPIs::AnthropicMessagesAPI(_)) => SupportedAPIs::OpenAIChatCompletions(OpenAIApi::ChatCompletions),
 
             (ProviderId::OpenAI
@@ -70,8 +67,7 @@ impl ProviderId {
             | ProviderId::GitHub
             | ProviderId::AzureOpenAI
             | ProviderId::XAI
-            | ProviderId::TogetherAI
+            | ProviderId::TogetherAI,
-            | ProviderId::LambdaAI,
             SupportedAPIs::OpenAIChatCompletions(_)) => SupportedAPIs::OpenAIChatCompletions(OpenAIApi::ChatCompletions),
         }
     }
@@ -91,7 +87,6 @@ impl Display for ProviderId {
             ProviderId::AzureOpenAI => write!(f, "azure_openai"),
             ProviderId::XAI => write!(f, "xai"),
             ProviderId::TogetherAI => write!(f, "together_ai"),
-            ProviderId::LambdaAI => write!(f, "lambda_ai"),
         }
     }
 }

demos/use_cases/llm_routing/arch_config.yaml

@@ -37,6 +37,12 @@ llm_providers:
   - access_key: $GEMINI_API_KEY
     model: gemini/gemini-1.5-pro-latest
 
+  - model: xai/grok-4-latest
+    access_key: $GROK_API_KEY
+
+  - model: together_ai/openai/gpt-oss-20b
+    access_key: $TOGETHER_API_KEY
+
   - model: custom/test-model
     base_url: http://host.docker.internal:11223
     provider_interface: openai

docs/source/resources/includes/arch_config_full_reference.yaml

@@ -41,6 +41,16 @@ llm_providers:
   - model: mistral/mistral-7b-instruct
     base_url: http://mistral_local
 
+# Model aliases - friendly names that map to actual provider names
+model_aliases:
+  # Alias for summarization tasks -> fast/cheap model
+  arch.summarize.v1:
+    target: gpt-4o
+
+  # Alias for general purpose tasks -> latest model
+  arch.v1:
+    target: mistral-8x7b
+
 # provides a way to override default settings for the arch system
 overrides:
   # By default Arch uses an NLI + embedding approach to match an incoming prompt to a prompt target.

docs/source/resources/includes/arch_config_full_reference_rendered.yaml

@@ -31,12 +31,18 @@ llm_providers:
   name: mistral/mistral-8x7b
   provider_interface: mistral
 - base_url: http://mistral_local
+  cluster_name: mistral_mistral_local
   endpoint: mistral_local
   model: mistral-7b-instruct
   name: mistral/mistral-7b-instruct
   port: 80
   protocol: http
   provider_interface: mistral
+model_aliases:
+  arch.summarize.v1:
+    target: gpt-4o
+  arch.v1:
+    target: mistral-8x7b
 overrides:
   prompt_target_intent_matching_threshold: 0.6
 prompt_guards: