diff --git a/Sources/LangGraph/LangGraph.swift b/Sources/LangGraph/LangGraph.swift
index 417e3aa..ab9f7e2 100644
--- a/Sources/LangGraph/LangGraph.swift
+++ b/Sources/LangGraph/LangGraph.swift
@@ -169,14 +169,14 @@ public let END = "__END__" // id of the edge ending workflow
 
 let log = Logger( subsystem: Bundle.module.bundleIdentifier ?? "langgraph", category: "main")
 
-public class GraphState<State: AgentState>  {
+public class StateGraph<State: AgentState>  {
     
     enum EdgeValue /* Union */ {
         case id(String)
         case condition( ( EdgeCondition<State>, [String:String] ) )
     }
     
-    public class Runner {
+    public class CompiledGraph {
     
         var stateFactory: () -> State
         var nodes:Dictionary<String, NodeAction<State>>
@@ -184,7 +184,7 @@ public class GraphState<State: AgentState>  {
         var entryPoint:String
         var finishPoint:String?
 
-        init( owner: GraphState ) {
+        init( owner: StateGraph ) {
             
             self.stateFactory = owner.stateFactory
             self.nodes = Dictionary()
@@ -315,7 +315,7 @@ public class GraphState<State: AgentState>  {
         var id: String {
             sourceId
         }
-        static func == (lhs: GraphState.Edge, rhs: GraphState.Edge) -> Bool {
+        static func == (lhs: StateGraph.Edge, rhs: StateGraph.Edge) -> Bool {
             lhs.id == rhs.id
         }
         
@@ -331,7 +331,7 @@ public class GraphState<State: AgentState>  {
     private var edges: Set<Edge> = []
     
     struct Node : Hashable, Identifiable {
-        static func == (lhs: GraphState.Node, rhs: GraphState.Node) -> Bool {
+        static func == (lhs: StateGraph.Node, rhs: StateGraph.Node) -> Bool {
             lhs.id == rhs.id
         }
         
@@ -407,7 +407,7 @@ public class GraphState<State: AgentState>  {
         Node(id: id, action: fakeAction)
     }
     
-    public func compile() throws -> Runner {
+    public func compile() throws -> CompiledGraph {
         guard let entryPoint else {
             throw GraphStateError.missingEntryPoint
         }
@@ -443,6 +443,6 @@ public class GraphState<State: AgentState>  {
             }
         }
         
-        return Runner( owner: self )
+        return CompiledGraph( owner: self )
     }
 }
diff --git a/Tests/LangGraphTests/LangGraphTests.swift b/Tests/LangGraphTests/LangGraphTests.swift
index 4005c91..ec48681 100644
--- a/Tests/LangGraphTests/LangGraphTests.swift
+++ b/Tests/LangGraphTests/LangGraphTests.swift
@@ -48,7 +48,7 @@ final class LangGraphTests: XCTestCase {
     }
     func testValidation() async throws {
             
-        let workflow = GraphState { BaseAgentState() }
+        let workflow = StateGraph { BaseAgentState() }
         
         XCTAssertThrowsError( try workflow.compile() ) {error in 
             print( error )
@@ -128,7 +128,7 @@ final class LangGraphTests: XCTestCase {
 
     func testRunningOneNode() async throws {
             
-        let workflow = GraphState { BaseAgentState() }
+        let workflow = StateGraph { BaseAgentState() }
         try workflow.setEntryPoint("agent_1")
         try workflow.addNode("agent_1") { state in
             
@@ -171,7 +171,7 @@ final class LangGraphTests: XCTestCase {
 
     func testRunningTreeNodes() async throws {
             
-        let workflow = GraphState { BinaryOpState() }
+        let workflow = StateGraph { BinaryOpState() }
         
         try workflow.addNode("agent_1") { state in
             
@@ -209,7 +209,7 @@ final class LangGraphTests: XCTestCase {
 
     func testRunningFourNodesWithCondition() async throws {
             
-        let workflow = GraphState { BinaryOpState() }
+        let workflow = StateGraph { BinaryOpState() }
         
         try workflow.addNode("agent_1") { state in
             
@@ -293,7 +293,7 @@ final class LangGraphTests: XCTestCase {
 
     func testAppender() async throws {
             
-        let workflow = GraphState { AgentStateWithAppender() }
+        let workflow = StateGraph { AgentStateWithAppender() }
         
         try workflow.addNode("agent_1") { state in
             
@@ -327,7 +327,7 @@ final class LangGraphTests: XCTestCase {
 
     func testWithStream() async throws {
             
-        let workflow = GraphState { AgentStateWithAppender() }
+        let workflow = StateGraph { AgentStateWithAppender() }
         
         try workflow.addNode("agent_1") { state in
             ["messages": "message1"]
@@ -363,7 +363,7 @@ final class LangGraphTests: XCTestCase {
 
     func testWithStreamAnCancellation() async throws {
             
-        let workflow = GraphState { AgentStateWithAppender() }
+        let workflow = StateGraph { AgentStateWithAppender() }
         
         try workflow.addNode("agent_1") { state in
             try await Task.sleep(nanoseconds: 500_000_000)