add support for deepseek api (previously required filling in the URL via the custom model option)

Author: josStorer

src/background/index.mjs

@@ -37,6 +37,7 @@ import {
   isUsingMoonshotWebModel,
   isUsingOpenRouterApiModel,
   isUsingAimlApiModel,
+  isUsingDeepSeekApiModel,
 } from '../config/index.mjs'
 import '../_locales/i18n'
 import { openUrl } from '../utils/open-url'
@@ -54,6 +55,7 @@ import { generateAnswersWithClaudeWebApi } from '../services/apis/claude-web.mjs
 import { generateAnswersWithMoonshotCompletionApi } from '../services/apis/moonshot-api.mjs'
 import { generateAnswersWithMoonshotWebApi } from '../services/apis/moonshot-web.mjs'
 import { isUsingModelName } from '../utils/model-name-convert.mjs'
+import { generateAnswersWithDeepSeekApi } from '../services/apis/deepseek-api.mjs'
 
 function setPortProxy(port, proxyTabId) {
   port.proxy = Browser.tabs.connect(proxyTabId)
@@ -146,6 +148,8 @@ async function executeApi(session, port, config) {
     )
   } else if (isUsingChatGLMApiModel(session)) {
     await generateAnswersWithChatGLMApi(port, session.question, session)
+  } else if (isUsingDeepSeekApiModel(session)) {
+    await generateAnswersWithDeepSeekApi(port, session.question, session, config.deepSeekApiKey)
   } else if (isUsingOllamaApiModel(session)) {
     await generateAnswersWithOllamaApi(port, session.question, session)
   } else if (isUsingOpenRouterApiModel(session)) {

src/config/index.mjs

@@ -105,6 +105,7 @@ export const moonshotApiModelKeys = [
   'moonshot_v1_32k',
   'moonshot_v1_128k',
 ]
+export const deepSeekApiModelKeys = ['deepseek_chat', 'deepseek_reasoner']
 export const openRouterApiModelKeys = [
   'openRouter_anthropic_claude_sonnet4',
   'openRouter_anthropic_claude_3_7_sonnet',
@@ -187,6 +188,10 @@ export const ModelGroups = {
     value: githubThirdPartyApiModelKeys,
     desc: 'Github Third Party Waylaidwanderer (API)',
   },
+  deepSeekApiModelKeys: {
+    value: deepSeekApiModelKeys,
+    desc: 'DeepSeek (API)',
+  },
   openRouterApiModelKeys: {
     value: openRouterApiModelKeys,
     desc: 'OpenRouter (API)',
@@ -346,6 +351,15 @@ export const Models = {
     desc: 'Kimi.Moonshot (128k)',
   },
 
+  deepseek_chat: {
+    value: 'deepseek-chat',
+    desc: 'DeepSeek (Chat)',
+  },
+  deepseek_reasoner: {
+    value: 'deepseek-reasoner',
+    desc: 'DeepSeek (Reasoner)',
+  },
+
   openRouter_anthropic_claude_sonnet4: {
     value: 'anthropic/claude-sonnet-4',
     desc: 'OpenRouter (Claude Sonnet 4)',
@@ -461,6 +475,7 @@ export const defaultConfig = {
   claudeApiKey: '',
   chatglmApiKey: '',
   moonshotApiKey: '',
+  deepSeekApiKey: '',
 
   customApiKey: '',
 
@@ -653,6 +668,10 @@ export function isUsingMoonshotApiModel(configOrSession) {
   return isInApiModeGroup(moonshotApiModelKeys, configOrSession)
 }
 
+export function isUsingDeepSeekApiModel(configOrSession) {
+  return isInApiModeGroup(deepSeekApiModelKeys, configOrSession)
+}
+
 export function isUsingOpenRouterApiModel(configOrSession) {
   return isInApiModeGroup(openRouterApiModelKeys, configOrSession)
 }

src/popup/sections/GeneralPart.jsx

@@ -24,6 +24,7 @@ import {
   Models,
   isUsingOpenRouterApiModel,
   isUsingAimlApiModel,
+  isUsingDeepSeekApiModel,
 } from '../../config/index.mjs'
 import Browser from 'webextension-polyfill'
 import { languageList } from '../../config/language.mjs'
@@ -408,6 +409,17 @@ export function GeneralPart({ config, updateConfig, setTabIndex }) {
             }}
           />
         )}
+        {isUsingDeepSeekApiModel(config) && (
+          <input
+            type="password"
+            value={config.deepSeekApiKey}
+            placeholder={t('API Key')}
+            onChange={(e) => {
+              const apiKey = e.target.value
+              updateConfig({ deepSeekApiKey: apiKey })
+            }}
+          />
+        )}
         {isUsingOllamaApiModel(config) && (
           <input
             type="password"

src/services/apis/deepseek-api.mjs

@@ -0,0 +1,12 @@
+import { generateAnswersWithChatgptApiCompat } from './openai-api.mjs'
+
+/**
+ * @param {Browser.Runtime.Port} port
+ * @param {string} question
+ * @param {Session} session
+ * @param {string} apiKey
+ */
+export async function generateAnswersWithDeepSeekApi(port, question, session, apiKey) {
+  const baseUrl = 'https://api.deepseek.com'
+  return generateAnswersWithChatgptApiCompat(baseUrl, port, question, session, apiKey)
+}