feat: 支持最新的gpt-3.5-turbo-16k模型 (#1789)

* fix: 增加 16k 模型支持

* fix: 修改判断逻辑

* fix: 修改 gpt-3.5-turbo tokens 判断逻辑

---------

Co-authored-by: ziyang <ziyang@dora.design>

README.md

@@ -218,7 +218,7 @@ services:
       # API接口地址，可选，设置 OPENAI_API_KEY 时可用
       OPENAI_API_BASE_URL: xxx
       # API模型，可选，设置 OPENAI_API_KEY 时可用，https://platform.openai.com/docs/models
-      # gpt-4, gpt-4-0314, gpt-4-32k, gpt-4-32k-0314, gpt-3.5-turbo, gpt-3.5-turbo-0301, text-davinci-003, text-davinci-002, code-davinci-002
+      # gpt-4, gpt-4-0314, gpt-4-0613, gpt-4-32k, gpt-4-32k-0314, gpt-4-32k-0613, gpt-3.5-turbo-16k, gpt-3.5-turbo-16k-0613, gpt-3.5-turbo, gpt-3.5-turbo-0301, gpt-3.5-turbo-0613, text-davinci-003, text-davinci-002, code-davinci-002
       OPENAI_API_MODEL: xxx
       # 反向代理，可选
       API_REVERSE_PROXY: xxx

service/src/chatgpt/index.ts

@@ -58,6 +58,12 @@ let api: ChatGPTAPI | ChatGPTUnofficialProxyAPI
         options.maxResponseTokens = 2048
       }
     }
+    else if (model.toLowerCase().includes('gpt-3.5')) {
+      if (model.toLowerCase().includes('16k')) {
+        options.maxModelTokens = 16384
+        options.maxResponseTokens = 4096
+      }
+    }
 
     if (isNotEmptyString(OPENAI_API_BASE_URL))
       options.apiBaseUrl = `${OPENAI_API_BASE_URL}/v1`