feat: initialize default model providers

legacy/packages/core/src/agentic.ts

@@ -1,5 +1,7 @@
+import { Anthropic } from '@anthropic-ai/sdk'
 import { EventEmitter } from 'eventemitter3'
 import defaultKy from 'ky'
+import { OpenAIClient } from 'openai-fetch'
 import { SetOptional } from 'type-fest'
 
 import * as types from './types'
@@ -49,8 +51,8 @@ export class Agentic extends EventEmitter {
       globalThis.__agentic = new WeakRef(this)
     }
 
-    this._openai = opts.openai
+    this._openai = opts.openai || new OpenAIClient()
-    this._anthropic = opts.anthropic
+    this._anthropic = opts.anthropic || new Anthropic()
 
     this._ky = opts.ky ?? defaultKy
     this._logger = opts.logger ?? defaultLogger

legacy/packages/core/src/constants.ts

@@ -1,4 +1,5 @@
 export const DEFAULT_ANTHROPIC_MODEL = 'claude-instant-v1'
+export const DEFAULT_OPENAI_MODEL = 'gpt-3.5-turbo'
 export const DEFAULT_BOT_NAME = 'Agentic Bot'
 export const SKIP_HOOKS = Symbol('SKIP_HOOKS')
 export const SPACE = ' '

legacy/packages/core/src/llms/anthropic.ts

@@ -3,6 +3,7 @@ import { type SetOptional } from 'type-fest'
 
 import * as types from '@/types'
 import { DEFAULT_ANTHROPIC_MODEL } from '@/constants'
+import { getEnv } from '@/env'
 
 import { BaseChatCompletion } from './chat'
 
@@ -34,7 +35,10 @@ export class AnthropicChatCompletion<
   ) {
     super({
       provider: 'anthropic',
-      model: options.modelParams?.model || DEFAULT_ANTHROPIC_MODEL,
+      model:
+        options.modelParams?.model ??
+        getEnv('ANTHROPIC_MODEL') ??
+        getEnv('ANTHROPIC_DEFAULT_MODEL', DEFAULT_ANTHROPIC_MODEL),
       ...options
     })
 

legacy/packages/core/src/llms/openai.ts

@@ -1,6 +1,7 @@
 import type { SetOptional } from 'type-fest'
 
 import * as types from '@/types'
+import { DEFAULT_OPENAI_MODEL } from '@/constants'
 import { getEnv } from '@/env'
 import { BaseTask } from '@/task'
 
@@ -34,7 +35,7 @@ export class OpenAIChatCompletion<
     const model =
       options.modelParams?.model ??
       getEnv('OPENAI_MODEL') ??
-      getEnv('OPENAI_DEFAULT_MODEL', 'gpt-3.5-turbo')
+      getEnv('OPENAI_DEFAULT_MODEL', DEFAULT_OPENAI_MODEL)
     super({
       provider: 'openai',
       model,