diff --git a/.env b/.env
index 0983d60..0380bee 100644
--- a/.env
+++ b/.env
@@ -1,5 +1,7 @@
 OPENAI_API_BASEURL=''
 OPENAI_API_KEY=''
+OPENAI_MODEL='deepseek-chat'
+OPENAI_REASONING_MODEL='deepseek-reasoner'
 
 BOT_USERNAME=''
 BOT_HOSTNAME=''
diff --git a/src/agents/action/llm-handler.test.ts b/src/agents/action/llm-handler.test.ts
index 56e9f6d..8568e10 100644
--- a/src/agents/action/llm-handler.test.ts
+++ b/src/agents/action/llm-handler.test.ts
@@ -2,7 +2,7 @@ import { messages, system, user } from 'neuri/openai'
 import { beforeAll, describe, expect, it } from 'vitest'
 
 import { initBot, useBot } from '../../composables/bot'
-import { botConfig, initEnv } from '../../composables/config'
+import { botConfig, initEnv, openaiConfig } from '../../composables/config'
 import { createNeuriAgent } from '../../composables/neuri'
 import { initLogger } from '../../utils/logger'
 import { generateSystemBasicPrompt } from '../prompt/llm-agent.plugin'
@@ -26,7 +26,7 @@ describe('openAI agent', { timeout: 0 }, () => {
             user('Hello, who are you?'),
           ),
           async (c) => {
-            const completion = await c.reroute('query', c.messages, { model: 'openai/gpt-4o-mini' })
+            const completion = await c.reroute('query', c.messages, { model: openaiConfig.model })
             return await completion?.firstContent()
           },
         )
diff --git a/src/agents/action/tools.test.ts b/src/agents/action/tools.test.ts
index a3aac85..fe166a6 100644
--- a/src/agents/action/tools.test.ts
+++ b/src/agents/action/tools.test.ts
@@ -2,7 +2,7 @@ import { messages, system, user } from 'neuri/openai'
 import { beforeAll, describe, expect, it } from 'vitest'
 
 import { initBot, useBot } from '../../composables/bot'
-import { botConfig, initEnv } from '../../composables/config'
+import { botConfig, initEnv, openaiConfig } from '../../composables/config'
 import { createNeuriAgent } from '../../composables/neuri'
 import { sleep } from '../../utils/helper'
 import { initLogger } from '../../utils/logger'
@@ -25,7 +25,7 @@ describe('actions agent', { timeout: 0 }, () => {
           system(generateActionAgentPrompt(bot)),
           user('What\'s your status?'),
         ), async (c) => {
-          const completion = await c.reroute('query', c.messages, { model: 'openai/gpt-4o-mini' })
+          const completion = await c.reroute('query', c.messages, { model: openaiConfig.model })
           return await completion?.firstContent()
         })
 
@@ -46,7 +46,7 @@ describe('actions agent', { timeout: 0 }, () => {
           system(generateActionAgentPrompt(bot)),
           user('goToPlayer: luoling8192'),
         ), async (c) => {
-          const completion = await c.reroute('action', c.messages, { model: 'openai/gpt-4o-mini' })
+          const completion = await c.reroute('action', c.messages, { model: openaiConfig.model })
 
           return await completion?.firstContent()
         })
diff --git a/src/agents/chat/llm.ts b/src/agents/chat/llm.ts
index 6659db1..0d77579 100644
--- a/src/agents/chat/llm.ts
+++ b/src/agents/chat/llm.ts
@@ -5,6 +5,7 @@ import { useLogg } from '@guiiai/logg'
 import { agent } from 'neuri'
 import { system, user } from 'neuri/openai'
 
+import { openaiConfig } from '../../composables/config'
 import { toRetriable } from '../../utils/helper'
 import { genChatAgentPrompt } from '../prompt/chat'
 
@@ -42,7 +43,7 @@ export async function generateChatResponse(
 
     const handleCompletion = async (c: any): Promise<string> => {
       const completion = await c.reroute('chat', c.messages, {
-        model: config.model ?? 'openai/gpt-4o-mini',
+        model: config.model ?? openaiConfig.model,
       })
 
       if (!completion || 'error' in completion) {
diff --git a/src/composables/config.ts b/src/composables/config.ts
index 6076dc5..81c7ec3 100644
--- a/src/composables/config.ts
+++ b/src/composables/config.ts
@@ -10,6 +10,7 @@ interface OpenAIConfig {
   apiKey: string
   baseUrl: string
   model: string
+  reasoningModel: string
 }
 
 interface EnvConfig {
@@ -22,7 +23,8 @@ const defaultConfig: EnvConfig = {
   openai: {
     apiKey: '',
     baseUrl: '',
-    model: 'openai/gpt-4o-mini',
+    model: '',
+    reasoningModel: '',
   },
   bot: {
     username: '',
@@ -46,6 +48,7 @@ export function initEnv(): void {
       apiKey: env.OPENAI_API_KEY || defaultConfig.openai.apiKey,
       baseUrl: env.OPENAI_API_BASEURL || defaultConfig.openai.baseUrl,
       model: env.OPENAI_MODEL || defaultConfig.openai.model,
+      reasoningModel: env.OPENAI_REASONING_MODEL || defaultConfig.openai.reasoningModel,
     },
     bot: {
       username: env.BOT_USERNAME || defaultConfig.bot.username,
diff --git a/src/plugins/llm-agent.ts b/src/plugins/llm-agent.ts
index e05bde2..de727d5 100644
--- a/src/plugins/llm-agent.ts
+++ b/src/plugins/llm-agent.ts
@@ -9,6 +9,7 @@ import { useLogg } from '@guiiai/logg'
 import { assistant, system, user } from 'neuri/openai'
 
 import { generateActionAgentPrompt, generateStatusPrompt } from '../agents/prompt/llm-agent.plugin'
+import { openaiConfig } from '../composables/config'
 import { createAppContainer } from '../container'
 import { ChatMessageHandler } from '../libs/mineflayer/message'
 import { toRetriable } from '../utils/helper'
@@ -28,7 +29,7 @@ async function handleLLMCompletion(context: NeuriContext, bot: MineflayerWithAge
   logger.log('rerouting...')
 
   const completion = await context.reroute('action', context.messages, {
-    model: 'openai/gpt-4o-mini',
+    model: openaiConfig.model,
   }) as ChatCompletion | { error: { message: string } } & ChatCompletion
 
   if (!completion || 'error' in completion) {
@@ -145,7 +146,7 @@ export function LLMAgent(options: LLMAgentOptions): MineflayerPlugin {
       // Create container and get required services
       const container = createAppContainer({
         neuri: options.agent,
-        model: 'openai/gpt-4o-mini',
+        model: openaiConfig.model,
         maxHistoryLength: 50,
         idleTimeout: 5 * 60 * 1000,
       })