Bugfix/Avoid hardcoded max tokens (#2003)

remove hard-coded max tokens

packages/components/nodes/chatmodels/AWSBedrock/FlowiseAWSChatBedrock.ts

@@ -5,15 +5,15 @@ import { IVisionChatModal, IMultiModalOption } from '../../../src'
 
 export class BedrockChat extends LCBedrockChat implements IVisionChatModal {
     configuredModel: string
-    configuredMaxToken: number
+    configuredMaxToken?: number
     multiModalOption: IMultiModalOption
     id: string
 
     constructor(id: string, fields: BaseBedrockInput & BaseChatModelParams) {
         super(fields)
         this.id = id
-        this.configuredModel = fields?.model || 'anthropic.claude-3-haiku-20240307-v1:0'
-        this.configuredMaxToken = fields?.maxTokens ?? 256
+        this.configuredModel = fields?.model || ''
+        this.configuredMaxToken = fields?.maxTokens
     }
 
     revertToOriginalModel(): void {
@@ -28,7 +28,7 @@ export class BedrockChat extends LCBedrockChat implements IVisionChatModal {
     setVisionModel(): void {
         if (!this.model.startsWith('claude-3')) {
             super.model = 'anthropic.claude-3-haiku-20240307-v1:0'
-            super.maxTokens = 1024
+            super.maxTokens = this.configuredMaxToken ? this.configuredMaxToken : 1024
         }
     }
 }

packages/components/nodes/chatmodels/ChatAnthropic/ChatAnthropic.ts

@@ -125,7 +125,7 @@ class ChatAnthropic_ChatModels implements INode {
     async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
         const temperature = nodeData.inputs?.temperature as string
         const modelName = nodeData.inputs?.modelName as string
-        const maxTokensToSample = nodeData.inputs?.maxTokensToSample as string
+        const maxTokens = nodeData.inputs?.maxTokensToSample as string
         const topP = nodeData.inputs?.topP as string
         const topK = nodeData.inputs?.topK as string
         const streaming = nodeData.inputs?.streaming as boolean
@@ -143,7 +143,7 @@ class ChatAnthropic_ChatModels implements INode {
             streaming: streaming ?? true
         }
 
-        if (maxTokensToSample) obj.maxTokensToSample = parseInt(maxTokensToSample, 10)
+        if (maxTokens) obj.maxTokens = parseInt(maxTokens, 10)
         if (topP) obj.topP = parseFloat(topP)
         if (topK) obj.topK = parseFloat(topK)
         if (cache) obj.cache = cache

packages/components/nodes/chatmodels/ChatAnthropic/FlowiseChatAnthropic.ts

@@ -11,8 +11,8 @@ export class ChatAnthropic extends LangchainChatAnthropic implements IVisionChat
     constructor(id: string, fields: Partial<AnthropicInput> & BaseLLMParams & { anthropicApiKey?: string }) {
         super(fields)
         this.id = id
-        this.configuredModel = fields?.modelName || 'claude-3-haiku-20240307'
-        this.configuredMaxToken = fields?.maxTokens ?? 256
+        this.configuredModel = fields?.modelName || ''
+        this.configuredMaxToken = fields?.maxTokens ?? 2048
     }
 
     revertToOriginalModel(): void {
@@ -27,7 +27,7 @@ export class ChatAnthropic extends LangchainChatAnthropic implements IVisionChat
     setVisionModel(): void {
         if (!this.modelName.startsWith('claude-3')) {
             super.modelName = 'claude-3-haiku-20240307'
-            super.maxTokens = 1024
+            super.maxTokens = this.configuredMaxToken ? this.configuredMaxToken : 2048
         }
     }
 }

packages/components/nodes/chatmodels/ChatOpenAI/FlowiseChatOpenAI.ts

@@ -5,7 +5,7 @@ import { IMultiModalOption, IVisionChatModal } from '../../../src'
 
 export class ChatOpenAI extends LangchainChatOpenAI implements IVisionChatModal {
     configuredModel: string
-    configuredMaxToken: number
+    configuredMaxToken?: number
     multiModalOption: IMultiModalOption
     id: string
 
@@ -19,8 +19,8 @@ export class ChatOpenAI extends LangchainChatOpenAI implements IVisionChatModal
     ) {
         super(fields, configuration)
         this.id = id
-        this.configuredModel = fields?.modelName ?? 'gpt-3.5-turbo'
-        this.configuredMaxToken = fields?.maxTokens ?? 256
+        this.configuredModel = fields?.modelName ?? ''
+        this.configuredMaxToken = fields?.maxTokens
     }
 
     revertToOriginalModel(): void {
@@ -34,6 +34,6 @@ export class ChatOpenAI extends LangchainChatOpenAI implements IVisionChatModal
 
     setVisionModel(): void {
         super.modelName = 'gpt-4-vision-preview'
-        super.maxTokens = 1024
+        super.maxTokens = this.configuredMaxToken ? this.configuredMaxToken : 1024
     }
 }

packages/components/src/Interface.ts

@@ -274,9 +274,8 @@ export abstract class FlowiseSummaryMemory extends ConversationSummaryMemory imp
 export interface IVisionChatModal {
     id: string
     configuredModel: string
-    configuredMaxToken: number
     multiModalOption: IMultiModalOption
-
+    configuredMaxToken?: number
     setVisionModel(): void
     revertToOriginalModel(): void
     setMultiModalOption(multiModalOption: IMultiModalOption): void