feat: support Gemini openai compatible api

relay/adaptor/gemini/constants.go

@@ -1,18 +1,12 @@
 package gemini
 
+import (
+	"github.com/songquanpeng/one-api/relay/adaptor/geminiv2"
+)
+
 // https://ai.google.dev/models/gemini
 
-var ModelList = []string{
-	"gemini-pro", "gemini-1.0-pro",
-	// "gemma-2-2b-it", "gemma-2-9b-it", "gemma-2-27b-it",
-	"gemini-1.5-flash", "gemini-1.5-flash-8b",
-	"gemini-1.5-pro", "gemini-1.5-pro-experimental",
-	"text-embedding-004", "aqa",
-	"gemini-2.0-flash", "gemini-2.0-flash-exp",
-	"gemini-2.0-flash-lite-preview-02-05",
-	"gemini-2.0-flash-thinking-exp-01-21",
-	"gemini-2.0-pro-exp-02-05",
-}
+var ModelList = geminiv2.ModelList
 
 // ModelsSupportSystemInstruction is the list of models that support system instruction.
 //

relay/adaptor/geminiv2/constants.go

@@ -0,0 +1,15 @@
+package geminiv2
+
+// https://ai.google.dev/models/gemini
+
+var ModelList = []string{
+	"gemini-pro", "gemini-1.0-pro",
+	// "gemma-2-2b-it", "gemma-2-9b-it", "gemma-2-27b-it",
+	"gemini-1.5-flash", "gemini-1.5-flash-8b",
+	"gemini-1.5-pro", "gemini-1.5-pro-experimental",
+	"text-embedding-004", "aqa",
+	"gemini-2.0-flash", "gemini-2.0-flash-exp",
+	"gemini-2.0-flash-lite-preview-02-05",
+	"gemini-2.0-flash-thinking-exp-01-21",
+	"gemini-2.0-pro-exp-02-05",
+}

relay/adaptor/geminiv2/main.go

@@ -0,0 +1,14 @@
+package geminiv2
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/songquanpeng/one-api/relay/meta"
+)
+
+func GetRequestURL(meta *meta.Meta) (string, error) {
+	baseURL := strings.TrimSuffix(meta.BaseURL, "/")
+	requestPath := strings.TrimPrefix(meta.RequestURLPath, "/v1")
+	return fmt.Sprintf("%s%s", baseURL, requestPath), nil
+}

relay/adaptor/openai/adaptor.go

@@ -13,6 +13,7 @@ import (
 	"github.com/songquanpeng/one-api/relay/adaptor/alibailian"
 	"github.com/songquanpeng/one-api/relay/adaptor/baiduv2"
 	"github.com/songquanpeng/one-api/relay/adaptor/doubao"
+	"github.com/songquanpeng/one-api/relay/adaptor/geminiv2"
 	"github.com/songquanpeng/one-api/relay/adaptor/minimax"
 	"github.com/songquanpeng/one-api/relay/adaptor/novita"
 	"github.com/songquanpeng/one-api/relay/channeltype"
@@ -59,6 +60,8 @@ func (a *Adaptor) GetRequestURL(meta *meta.Meta) (string, error) {
 		return baiduv2.GetRequestURL(meta)
 	case channeltype.AliBailian:
 		return alibailian.GetRequestURL(meta)
+	case channeltype.GeminiOpenAICompatible:
+		return geminiv2.GetRequestURL(meta)
 	default:
 		return GetFullRequestURL(meta.BaseURL, meta.RequestURLPath, meta.ChannelType), nil
 	}

relay/adaptor/openai/compatible.go

@@ -7,6 +7,7 @@ import (
 	"github.com/songquanpeng/one-api/relay/adaptor/baiduv2"
 	"github.com/songquanpeng/one-api/relay/adaptor/deepseek"
 	"github.com/songquanpeng/one-api/relay/adaptor/doubao"
+	"github.com/songquanpeng/one-api/relay/adaptor/geminiv2"
 	"github.com/songquanpeng/one-api/relay/adaptor/groq"
 	"github.com/songquanpeng/one-api/relay/adaptor/lingyiwanwu"
 	"github.com/songquanpeng/one-api/relay/adaptor/minimax"
@@ -82,6 +83,8 @@ func GetCompatibleChannelMeta(channelType int) (string, []string) {
 		return "openrouter", openrouter.ModelList
 	case channeltype.AliBailian:
 		return "alibailian", alibailian.ModelList
+	case channeltype.GeminiOpenAICompatible:
+		return "geminiv2", geminiv2.ModelList
 	default:
 		return "openai", ModelList
 	}

relay/adaptor/openai/helper.go

@@ -17,6 +17,9 @@ func ResponseText2Usage(responseText string, modelName string, promptTokens int)
 }
 
 func GetFullRequestURL(baseURL string, requestURL string, channelType int) string {
+	if channelType == channeltype.OpenAICompatible {
+		return fmt.Sprintf("%s%s", strings.TrimSuffix(baseURL, "/"), strings.TrimPrefix(requestURL, "/v1"))
+	}
 	fullRequestURL := fmt.Sprintf("%s%s", baseURL, requestURL)
 
 	if strings.HasPrefix(baseURL, "https://gateway.ai.cloudflare.com") {

relay/channeltype/define.go

@@ -51,5 +51,7 @@ const (
 	BaiduV2
 	XunfeiV2
 	AliBailian
+	OpenAICompatible
+	GeminiOpenAICompatible
 	Dummy
 )

relay/channeltype/url.go

@@ -51,6 +51,9 @@ var ChannelBaseURLs = []string{
 	"https://qianfan.baidubce.com",              // 47
 	"https://spark-api-open.xf-yun.com",         // 48
 	"https://dashscope.aliyuncs.com",            // 49
+	"",                                          // 50
+
+	"https://generativelanguage.googleapis.com/v1beta/openai/", // 51
 }
 
 func init() {

web/default/src/constants/channel.constants.js

@@ -1,12 +1,26 @@
 export const CHANNEL_OPTIONS = [
-    {key: 1, text: 'OpenAI', value: 1, color: 'green'},
-    {key: 14, text: 'Anthropic Claude', value: 14, color: 'black'},
-    {key: 33, text: 'AWS', value: 33, color: 'black'},
-    {key: 3, text: 'Azure OpenAI', value: 3, color: 'olive'},
-    {key: 11, text: 'Google PaLM2', value: 11, color: 'orange'},
-    {key: 24, text: 'Google Gemini', value: 24, color: 'orange'},
-    {key: 28, text: 'Mistral AI', value: 28, color: 'orange'},
-    {key: 41, text: 'Novita', value: 41, color: 'purple'},
+  { key: 1, text: 'OpenAI', value: 1, color: 'green' },
+  {
+    key: 50,
+    text: 'OpenAI 兼容',
+    value: 50,
+    color: 'olive',
+    description: 'OpenAI 兼容渠道，支持设置 Base URL',
+  },
+  {key: 14, text: 'Anthropic', value: 14, color: 'black'},
+  { key: 33, text: 'AWS', value: 33, color: 'black' },
+  {key: 3, text: 'Azure', value: 3, color: 'olive'},
+  {key: 11, text: 'PaLM2', value: 11, color: 'orange'},
+  {key: 24, text: 'Gemini', value: 24, color: 'orange'},
+  {
+    key: 51,
+    text: 'Gemini (OpenAI)',
+    value: 51,
+    color: 'orange',
+    description: 'Gemini OpenAI 兼容格式',
+  },
+  { key: 28, text: 'Mistral AI', value: 28, color: 'orange' },
+  { key: 41, text: 'Novita', value: 41, color: 'purple' },
   {
     key: 40,
     text: '字节火山引擎',
@@ -28,14 +42,14 @@ export const CHANNEL_OPTIONS = [
     color: 'blue',
     tip: '请前往<a href="https://console.bce.baidu.com/iam/#/iam/apikey/list" target="_blank">此处</a>获取 API Key，注意本渠道仅支持<a target="_blank" href="https://cloud.baidu.com/doc/WENXINWORKSHOP/s/em4tsqo3v">推理服务 V2</a>相关模型',
   },
-    {
-        key: 17,
-        text: '阿里通义千问',
-        value: 17,
-        color: 'orange',
-        tip: '如需使用阿里云百炼，请使用<strong>阿里云百炼</strong>渠道',
-    },
-    {key: 49, text: '阿里云百炼', value: 49, color: 'orange'},
+  {
+    key: 17,
+    text: '阿里通义千问',
+    value: 17,
+    color: 'orange',
+    tip: '如需使用阿里云百炼，请使用<strong>阿里云百炼</strong>渠道',
+  },
+  { key: 49, text: '阿里云百炼', value: 49, color: 'orange' },
   {
     key: 18,
     text: '讯飞星火认知',
@@ -50,38 +64,45 @@ export const CHANNEL_OPTIONS = [
     color: 'blue',
     tip: 'HTTP 版本的讯飞接口，前往<a href="https://console.xfyun.cn/services/cbm" target="_blank">此处</a>获取 HTTP 服务接口认证密钥',
   },
-    {key: 16, text: '智谱 ChatGLM', value: 16, color: 'violet'},
-    {key: 19, text: '360 智脑', value: 19, color: 'blue'},
-    {key: 25, text: 'Moonshot AI', value: 25, color: 'black'},
-    {key: 23, text: '腾讯混元', value: 23, color: 'teal'},
-    {key: 26, text: '百川大模型', value: 26, color: 'orange'},
-    {key: 27, text: 'MiniMax', value: 27, color: 'red'},
-    {key: 29, text: 'Groq', value: 29, color: 'orange'},
-    {key: 30, text: 'Ollama', value: 30, color: 'black'},
-    {key: 31, text: '零一万物', value: 31, color: 'green'},
-    {key: 32, text: '阶跃星辰', value: 32, color: 'blue'},
-    {key: 34, text: 'Coze', value: 34, color: 'blue'},
-    {key: 35, text: 'Cohere', value: 35, color: 'blue'},
-    {key: 36, text: 'DeepSeek', value: 36, color: 'black'},
-    {key: 37, text: 'Cloudflare', value: 37, color: 'orange'},
-    {key: 38, text: 'DeepL', value: 38, color: 'black'},
-    {key: 39, text: 'together.ai', value: 39, color: 'blue'},
-    {key: 42, text: 'VertexAI', value: 42, color: 'blue'},
-    {key: 43, text: 'Proxy', value: 43, color: 'blue'},
-    {key: 44, text: 'SiliconFlow', value: 44, color: 'blue'},
-    {key: 45, text: 'xAI', value: 45, color: 'blue'},
-    {key: 46, text: 'Replicate', value: 46, color: 'blue'},
-    {key: 8, text: '自定义渠道', value: 8, color: 'pink'},
-    {key: 22, text: '知识库：FastGPT', value: 22, color: 'blue'},
-    {key: 21, text: '知识库：AI Proxy', value: 21, color: 'purple'},
-    {key: 20, text: 'OpenRouter', value: 20, color: 'black'},
-    {key: 2, text: '代理：API2D', value: 2, color: 'blue'},
-    {key: 5, text: '代理：OpenAI-SB', value: 5, color: 'brown'},
-    {key: 7, text: '代理：OhMyGPT', value: 7, color: 'purple'},
-    {key: 10, text: '代理：AI Proxy', value: 10, color: 'purple'},
-    {key: 4, text: '代理：CloseAI', value: 4, color: 'teal'},
-    {key: 6, text: '代理：OpenAI Max', value: 6, color: 'violet'},
-    {key: 9, text: '代理：AI.LS', value: 9, color: 'yellow'},
-    {key: 12, text: '代理：API2GPT', value: 12, color: 'blue'},
-    {key: 13, text: '代理：AIGC2D', value: 13, color: 'purple'},
+  { key: 16, text: '智谱 ChatGLM', value: 16, color: 'violet' },
+  { key: 19, text: '360 智脑', value: 19, color: 'blue' },
+  { key: 25, text: 'Moonshot AI', value: 25, color: 'black' },
+  { key: 23, text: '腾讯混元', value: 23, color: 'teal' },
+  { key: 26, text: '百川大模型', value: 26, color: 'orange' },
+  { key: 27, text: 'MiniMax', value: 27, color: 'red' },
+  { key: 29, text: 'Groq', value: 29, color: 'orange' },
+  { key: 30, text: 'Ollama', value: 30, color: 'black' },
+  { key: 31, text: '零一万物', value: 31, color: 'green' },
+  { key: 32, text: '阶跃星辰', value: 32, color: 'blue' },
+  { key: 34, text: 'Coze', value: 34, color: 'blue' },
+  { key: 35, text: 'Cohere', value: 35, color: 'blue' },
+  { key: 36, text: 'DeepSeek', value: 36, color: 'black' },
+  { key: 37, text: 'Cloudflare', value: 37, color: 'orange' },
+  { key: 38, text: 'DeepL', value: 38, color: 'black' },
+  { key: 39, text: 'together.ai', value: 39, color: 'blue' },
+  { key: 42, text: 'VertexAI', value: 42, color: 'blue' },
+  { key: 43, text: 'Proxy', value: 43, color: 'blue' },
+  { key: 44, text: 'SiliconFlow', value: 44, color: 'blue' },
+  { key: 45, text: 'xAI', value: 45, color: 'blue' },
+  { key: 46, text: 'Replicate', value: 46, color: 'blue' },
+  {
+    key: 8,
+    text: '自定义渠道',
+    value: 8,
+    color: 'pink',
+    tip: '不推荐使用，请使用 <strong>OpenAI 兼容</strong>渠道类型。注意，这里所需要填入的代理地址仅会在实际请求时替换域名部分，如果你想填入 OpenAI SDK 中所要求的 Base URL，请使用 OpenAI 兼容渠道类型',
+    description: '不推荐使用，请使用 OpenAI 兼容渠道类型',
+  },
+  { key: 22, text: '知识库：FastGPT', value: 22, color: 'blue' },
+  { key: 21, text: '知识库：AI Proxy', value: 21, color: 'purple' },
+  { key: 20, text: 'OpenRouter', value: 20, color: 'black' },
+  { key: 2, text: '代理：API2D', value: 2, color: 'blue' },
+  { key: 5, text: '代理：OpenAI-SB', value: 5, color: 'brown' },
+  { key: 7, text: '代理：OhMyGPT', value: 7, color: 'purple' },
+  { key: 10, text: '代理：AI Proxy', value: 10, color: 'purple' },
+  { key: 4, text: '代理：CloseAI', value: 4, color: 'teal' },
+  { key: 6, text: '代理：OpenAI Max', value: 6, color: 'violet' },
+  { key: 9, text: '代理：AI.LS', value: 9, color: 'yellow' },
+  { key: 12, text: '代理：API2GPT', value: 12, color: 'blue' },
+  { key: 13, text: '代理：AIGC2D', value: 13, color: 'purple' },
 ];

web/default/src/locales/en/translation.json

@@ -104,8 +104,10 @@
       "model_mapping_placeholder": "Optional, used to modify model names in request body. A JSON string where keys are request model names and values are target model names",
       "system_prompt": "System Prompt",
       "system_prompt_placeholder": "Optional, used to force set system prompt. Use with custom model & model mapping. First create a unique custom model name above, then map it to a natively supported model",
-      "base_url": "Proxy",
-      "base_url_placeholder": "Optional, used for API calls through proxy. Enter proxy address in format: https://domain.com",
+      "proxy_url": "Proxy",
+      "proxy_url_placeholder": "This is optional and used for API calls via a proxy. Please enter the proxy URL, formatted as: https://domain.com",
+      "base_url": "Base URL",
+      "base_url_placeholder": "The Base URL required by the OpenAPI SDK",
       "key": "Key",
       "key_placeholder": "Please enter key",
       "batch": "Batch Create",

web/default/src/locales/zh/translation.json

@@ -104,8 +104,10 @@
       "model_mapping_placeholder": "此项可选，用于修改请求体中的模型名称，为一个 JSON 字符串，键为请求中模型名称，值为要替换的模型名称",
       "system_prompt": "系统提示词",
       "system_prompt_placeholder": "此项可选，用于强制设置给定的系统提示词，请配合自定义模型 & 模型重定向使用，首先创建一个唯一的自定义模型名称并在上面填入，之后将该自定义模型重定向映射到该渠道一个原生支持的模型",
-      "base_url": "代理",
-      "base_url_placeholder": "此项可选，用于通过代理站来进行 API 调用，请输入代理站地址，格式为：https://domain.com",
+      "proxy_url": "代理",
+      "proxy_url_placeholder": "此项可选，用于通过代理站来进行 API 调用，请输入代理站地址，格式为：https://domain.com。注意，这里所需要填入的代理地址仅会在实际请求时替换域名部分，如果你想填入 OpenAI SDK 中所要求的 Base URL，请使用 OpenAI 兼容渠道类型",
+      "base_url": "Base URL",
+      "base_url_placeholder": "OpenAPI SDK 中所要求的 Base URL",
       "key": "密钥",
       "key_placeholder": "请输入密钥",
       "batch": "批量创建",

web/default/src/pages/Channel/EditChannel.js

@@ -1,6 +1,6 @@
 import React, {useEffect, useState} from 'react';
 import {useTranslation} from 'react-i18next';
-import {Button, Card, Form, Input, Message,} from 'semantic-ui-react';
+import {Button, Card, Form, Input, Message} from 'semantic-ui-react';
 import {useNavigate, useParams} from 'react-router-dom';
 import {API, copy, getChannelModels, showError, showInfo, showSuccess, verifyJSON,} from '../../helpers';
 import {CHANNEL_OPTIONS} from '../../constants';
@@ -339,6 +339,20 @@ const EditChannel = () => {
             {inputs.type === 8 && (
               <Form.Field>
                 <Form.Input
+                    required
+                    label={t('channel.edit.proxy_url')}
+                    name='base_url'
+                    placeholder={t('channel.edit.proxy_url_placeholder')}
+                    onChange={handleInputChange}
+                    value={inputs.base_url}
+                    autoComplete='new-password'
+                />
+              </Form.Field>
+            )}
+            {inputs.type === 50 && (
+                <Form.Field>
+                  <Form.Input
+                      required
                   label={t('channel.edit.base_url')}
                   name='base_url'
                   placeholder={t('channel.edit.base_url_placeholder')}
@@ -637,12 +651,13 @@ const EditChannel = () => {
             {inputs.type !== 3 &&
               inputs.type !== 33 &&
               inputs.type !== 8 &&
+                inputs.type !== 50 &&
               inputs.type !== 22 && (
                 <Form.Field>
                   <Form.Input
-                    label={t('channel.edit.base_url')}
+                      label={t('channel.edit.proxy_url')}
                     name='base_url'
-                    placeholder={t('channel.edit.base_url_placeholder')}
+                      placeholder={t('channel.edit.proxy_url_placeholder')}
                     onChange={handleInputChange}
                     value={inputs.base_url}
                     autoComplete='new-password'