diff --git a/trustgraph-base/trustgraph/base/embeddings_service.py b/trustgraph-base/trustgraph/base/embeddings_service.py
index c6befdb7..c0dd3978 100644
--- a/trustgraph-base/trustgraph/base/embeddings_service.py
+++ b/trustgraph-base/trustgraph/base/embeddings_service.py
@@ -11,20 +11,26 @@ from .. exceptions import TooManyRequests
 from .. base import FlowProcessor, ConsumerSpec, ProducerSpec
 
 default_ident = "embeddings"
+default_concurrency = 1
 
 class EmbeddingsService(FlowProcessor):
 
     def __init__(self, **params):
 
         id = params.get("id")
+        concurrency = params.get("concurrency", 1)
 
-        super(EmbeddingsService, self).__init__(**params | { "id": id })
+        super(EmbeddingsService, self).__init__(**params | {
+            "id": id,
+            "concurrency": concurrency,
+        })
 
         self.register_specification(
             ConsumerSpec(
                 name = "request",
                 schema = EmbeddingsRequest,
-                handler = self.on_request
+                handler = self.on_request,
+                concurrency = concurrency,
             )
         )
 
@@ -84,6 +90,13 @@ class EmbeddingsService(FlowProcessor):
     @staticmethod
     def add_args(parser):
 
+        parser.add_argument(
+            '-c', '--concurrency',
+            type=int,
+            default=default_concurrency,
+            help=f'Concurrent processing threads (default: {default_concurrency})'
+        )
+
         FlowProcessor.add_args(parser)
 
 
diff --git a/trustgraph-base/trustgraph/base/llm_service.py b/trustgraph-base/trustgraph/base/llm_service.py
index 627bcbb4..fddbdf3e 100644
--- a/trustgraph-base/trustgraph/base/llm_service.py
+++ b/trustgraph-base/trustgraph/base/llm_service.py
@@ -128,7 +128,7 @@ class LlmService(FlowProcessor):
             '-c', '--concurrency',
             type=int,
             default=default_concurrency,
-            help=f'LLM max output tokens (default: {default_concurrency})'
+            help=f'Concurrent processing threads (default: {default_concurrency})'
         )
 
         FlowProcessor.add_args(parser)
diff --git a/trustgraph-flow/trustgraph/extract/kg/definitions/extract.py b/trustgraph-flow/trustgraph/extract/kg/definitions/extract.py
index f95dadf9..66571478 100755
--- a/trustgraph-flow/trustgraph/extract/kg/definitions/extract.py
+++ b/trustgraph-flow/trustgraph/extract/kg/definitions/extract.py
@@ -21,16 +21,19 @@ RDF_LABEL_VALUE = Value(value=RDF_LABEL, is_uri=True)
 SUBJECT_OF_VALUE = Value(value=SUBJECT_OF, is_uri=True)
 
 default_ident = "kg-extract-definitions"
+default_concurrency = 1
 
 class Processor(FlowProcessor):
 
     def __init__(self, **params):
 
         id = params.get("id")
+        concurrency = params.get("concurrency", 1)
 
         super(Processor, self).__init__(
             **params | {
                 "id": id,
+                "concurrency": concurrency,
             }
         )
 
@@ -38,7 +41,8 @@ class Processor(FlowProcessor):
             ConsumerSpec(
                 name = "input",
                 schema = Chunk,
-                handler = self.on_message
+                handler = self.on_message,
+                concurrency = concurrency,
             )
         )
 
@@ -190,6 +194,13 @@ class Processor(FlowProcessor):
     @staticmethod
     def add_args(parser):
 
+        parser.add_argument(
+            '-c', '--concurrency',
+            type=int,
+            default=default_concurrency,
+            help=f'Concurrent processing threads (default: {default_concurrency})'
+        )
+
         FlowProcessor.add_args(parser)
 
 def run():
diff --git a/trustgraph-flow/trustgraph/extract/kg/relationships/extract.py b/trustgraph-flow/trustgraph/extract/kg/relationships/extract.py
index 63670a7d..dafee77d 100755
--- a/trustgraph-flow/trustgraph/extract/kg/relationships/extract.py
+++ b/trustgraph-flow/trustgraph/extract/kg/relationships/extract.py
@@ -20,16 +20,19 @@ RDF_LABEL_VALUE = Value(value=RDF_LABEL, is_uri=True)
 SUBJECT_OF_VALUE = Value(value=SUBJECT_OF, is_uri=True)
 
 default_ident = "kg-extract-relationships"
+default_concurrency = 1
 
 class Processor(FlowProcessor):
 
     def __init__(self, **params):
 
         id = params.get("id")
+        concurrency = params.get("concurrency", 1)
 
         super(Processor, self).__init__(
             **params | {
                 "id": id,
+                "concurrency": concurrency,
             }
         )
 
@@ -37,7 +40,8 @@ class Processor(FlowProcessor):
             ConsumerSpec(
                 name = "input",
                 schema = Chunk,
-                handler = self.on_message
+                handler = self.on_message,
+                concurrency = concurrency,
             )
         )
 
@@ -192,6 +196,13 @@ class Processor(FlowProcessor):
     @staticmethod
     def add_args(parser):
 
+        parser.add_argument(
+            '-c', '--concurrency',
+            type=int,
+            default=default_concurrency,
+            help=f'Concurrent processing threads (default: {default_concurrency})'
+        )
+
         FlowProcessor.add_args(parser)
 
 def run():
diff --git a/trustgraph-flow/trustgraph/model/prompt/template/service.py b/trustgraph-flow/trustgraph/model/prompt/template/service.py
index 67590c1c..7bebf5f4 100755
--- a/trustgraph-flow/trustgraph/model/prompt/template/service.py
+++ b/trustgraph-flow/trustgraph/model/prompt/template/service.py
@@ -18,12 +18,14 @@ from .... base import ProducerSpec, ConsumerSpec, TextCompletionClientSpec
 from . prompt_manager import PromptConfiguration, Prompt, PromptManager
 
 default_ident = "prompt"
+default_concurrency = 1
 
 class Processor(FlowProcessor):
 
     def __init__(self, **params):
 
         id = params.get("id")
+        concurrency = params.get("concurrency", 1)
 
         # Config key for prompts
         self.config_key = params.get("config_type", "prompt")
@@ -31,6 +33,7 @@ class Processor(FlowProcessor):
         super(Processor, self).__init__(
             **params | {
                 "id": id,
+                "concurrency": concurrency,
             }
         )
 
@@ -38,7 +41,8 @@ class Processor(FlowProcessor):
             ConsumerSpec(
                 name = "request",
                 schema = PromptRequest,
-                handler = self.on_request
+                handler = self.on_request,
+                concurrency = concurrency,
             )
         )
 
@@ -219,6 +223,13 @@ class Processor(FlowProcessor):
     @staticmethod
     def add_args(parser):
 
+        parser.add_argument(
+            '-c', '--concurrency',
+            type=int,
+            default=default_concurrency,
+            help=f'Concurrent processing threads (default: {default_concurrency})'
+        )
+
         FlowProcessor.add_args(parser)
 
         parser.add_argument(
diff --git a/trustgraph-flow/trustgraph/retrieval/graph_rag/rag.py b/trustgraph-flow/trustgraph/retrieval/graph_rag/rag.py
index 5d3cc2f4..328ae3f9 100755
--- a/trustgraph-flow/trustgraph/retrieval/graph_rag/rag.py
+++ b/trustgraph-flow/trustgraph/retrieval/graph_rag/rag.py
@@ -11,12 +11,14 @@ from ... base import PromptClientSpec, EmbeddingsClientSpec
 from ... base import GraphEmbeddingsClientSpec, TriplesClientSpec
 
 default_ident = "graph-rag"
+default_concurrency = 1
 
 class Processor(FlowProcessor):
 
     def __init__(self, **params):
 
         id = params.get("id", default_ident)
+        concurrency = params.get("concurrency", 1)
 
         entity_limit = params.get("entity_limit", 50)
         triple_limit = params.get("triple_limit", 30)
@@ -26,6 +28,7 @@ class Processor(FlowProcessor):
         super(Processor, self).__init__(
             **params | {
                 "id": id,
+                "concurrency": concurrency,
                 "entity_limit": entity_limit,
                 "triple_limit": triple_limit,
                 "max_subgraph_size": max_subgraph_size,
@@ -43,6 +46,7 @@ class Processor(FlowProcessor):
                 name = "request",
                 schema = GraphRagQuery,
                 handler = self.on_request,
+                concurrency = concurrency,
             )
         )
 
@@ -157,6 +161,13 @@ class Processor(FlowProcessor):
     @staticmethod
     def add_args(parser):
 
+        parser.add_argument(
+            '-c', '--concurrency',
+            type=int,
+            default=default_concurrency,
+            help=f'Concurrent processing threads (default: {default_concurrency})'
+        )
+
         FlowProcessor.add_args(parser)
 
         parser.add_argument(