Add GPT-5.4 mini and nano model support

PeterDaveHello · PeterDaveHello · commit 6aa57fff0840 · 2026-03-18T01:48:31.000+08:00
Expand OpenAI API model registry with GPT-5.4 mini and nano variants. Align token-parameter handling and service tests with new model naming. Reference: - https://openai.com/index/introducing-gpt-5-4-mini-and-nano/ - https://developers.openai.com/api/docs/models/gpt-5.4-mini - https://developers.openai.com/api/docs/models/gpt-5.4-nano
diff --git a/src/_locales/de/main.json b/src/_locales/de/main.json
@@ -197,5 +197,7 @@
   "OpenAI (GPT-5.2)": "OpenAI (GPT-5.2)",
   "OpenAI (GPT-5.3 latest)": "OpenAI (GPT-5.3 latest)",
   "OpenAI (GPT-5.4)": "OpenAI (GPT-5.4)",
+  "OpenAI (GPT-5.4 mini)": "OpenAI (GPT-5.4 mini)",
+  "OpenAI (GPT-5.4 nano)": "OpenAI (GPT-5.4 nano)",
   "Anthropic (Claude Sonnet 4.6)": "Anthropic (Claude Sonnet 4.6)"
 }
diff --git a/src/_locales/en/main.json b/src/_locales/en/main.json
@@ -198,5 +198,7 @@
   "OpenAI (GPT-5.2)": "OpenAI (GPT-5.2)",
   "OpenAI (GPT-5.3 latest)": "OpenAI (GPT-5.3 latest)",
   "OpenAI (GPT-5.4)": "OpenAI (GPT-5.4)",
+  "OpenAI (GPT-5.4 mini)": "OpenAI (GPT-5.4 mini)",
+  "OpenAI (GPT-5.4 nano)": "OpenAI (GPT-5.4 nano)",
   "Anthropic (Claude Sonnet 4.6)": "Anthropic (Claude Sonnet 4.6)"
 }
diff --git a/src/_locales/es/main.json b/src/_locales/es/main.json
@@ -197,5 +197,7 @@
   "OpenAI (GPT-5.2)": "OpenAI (GPT-5.2)",
   "OpenAI (GPT-5.3 latest)": "OpenAI (GPT-5.3 latest)",
   "OpenAI (GPT-5.4)": "OpenAI (GPT-5.4)",
+  "OpenAI (GPT-5.4 mini)": "OpenAI (GPT-5.4 mini)",
+  "OpenAI (GPT-5.4 nano)": "OpenAI (GPT-5.4 nano)",
   "Anthropic (Claude Sonnet 4.6)": "Anthropic (Claude Sonnet 4.6)"
 }
diff --git a/src/_locales/fr/main.json b/src/_locales/fr/main.json
@@ -197,5 +197,7 @@
   "OpenAI (GPT-5.2)": "OpenAI (GPT-5.2)",
   "OpenAI (GPT-5.3 latest)": "OpenAI (GPT-5.3 latest)",
   "OpenAI (GPT-5.4)": "OpenAI (GPT-5.4)",
+  "OpenAI (GPT-5.4 mini)": "OpenAI (GPT-5.4 mini)",
+  "OpenAI (GPT-5.4 nano)": "OpenAI (GPT-5.4 nano)",
   "Anthropic (Claude Sonnet 4.6)": "Anthropic (Claude Sonnet 4.6)"
 }
diff --git a/src/_locales/in/main.json b/src/_locales/in/main.json
@@ -197,5 +197,7 @@
   "OpenAI (GPT-5.2)": "OpenAI (GPT-5.2)",
   "OpenAI (GPT-5.3 latest)": "OpenAI (GPT-5.3 latest)",
   "OpenAI (GPT-5.4)": "OpenAI (GPT-5.4)",
+  "OpenAI (GPT-5.4 mini)": "OpenAI (GPT-5.4 mini)",
+  "OpenAI (GPT-5.4 nano)": "OpenAI (GPT-5.4 nano)",
   "Anthropic (Claude Sonnet 4.6)": "Anthropic (Claude Sonnet 4.6)"
 }
diff --git a/src/_locales/it/main.json b/src/_locales/it/main.json
@@ -197,5 +197,7 @@
   "OpenAI (GPT-5.2)": "OpenAI (GPT-5.2)",
   "OpenAI (GPT-5.3 latest)": "OpenAI (GPT-5.3 latest)",
   "OpenAI (GPT-5.4)": "OpenAI (GPT-5.4)",
+  "OpenAI (GPT-5.4 mini)": "OpenAI (GPT-5.4 mini)",
+  "OpenAI (GPT-5.4 nano)": "OpenAI (GPT-5.4 nano)",
   "Anthropic (Claude Sonnet 4.6)": "Anthropic (Claude Sonnet 4.6)"
 }
diff --git a/src/_locales/ja/main.json b/src/_locales/ja/main.json
@@ -197,5 +197,7 @@
   "OpenAI (GPT-5.2)": "OpenAI (GPT-5.2)",
   "OpenAI (GPT-5.3 latest)": "OpenAI (GPT-5.3 latest)",
   "OpenAI (GPT-5.4)": "OpenAI (GPT-5.4)",
+  "OpenAI (GPT-5.4 mini)": "OpenAI (GPT-5.4 mini)",
+  "OpenAI (GPT-5.4 nano)": "OpenAI (GPT-5.4 nano)",
   "Anthropic (Claude Sonnet 4.6)": "Anthropic (Claude Sonnet 4.6)"
 }
diff --git a/src/_locales/ko/main.json b/src/_locales/ko/main.json
@@ -197,5 +197,7 @@
   "OpenAI (GPT-5.2)": "OpenAI (GPT-5.2)",
   "OpenAI (GPT-5.3 latest)": "OpenAI (GPT-5.3 latest)",
   "OpenAI (GPT-5.4)": "OpenAI (GPT-5.4)",
+  "OpenAI (GPT-5.4 mini)": "OpenAI (GPT-5.4 mini)",
+  "OpenAI (GPT-5.4 nano)": "OpenAI (GPT-5.4 nano)",
   "Anthropic (Claude Sonnet 4.6)": "Anthropic (Claude Sonnet 4.6)"
 }
diff --git a/src/_locales/pt/main.json b/src/_locales/pt/main.json
@@ -197,5 +197,7 @@
   "OpenAI (GPT-5.2)": "OpenAI (GPT-5.2)",
   "OpenAI (GPT-5.3 latest)": "OpenAI (GPT-5.3 latest)",
   "OpenAI (GPT-5.4)": "OpenAI (GPT-5.4)",
+  "OpenAI (GPT-5.4 mini)": "OpenAI (GPT-5.4 mini)",
+  "OpenAI (GPT-5.4 nano)": "OpenAI (GPT-5.4 nano)",
   "Anthropic (Claude Sonnet 4.6)": "Anthropic (Claude Sonnet 4.6)"
 }
diff --git a/src/_locales/ru/main.json b/src/_locales/ru/main.json
@@ -197,5 +197,7 @@
   "OpenAI (GPT-5.2)": "OpenAI (GPT-5.2)",
   "OpenAI (GPT-5.3 latest)": "OpenAI (GPT-5.3 latest)",
   "OpenAI (GPT-5.4)": "OpenAI (GPT-5.4)",
+  "OpenAI (GPT-5.4 mini)": "OpenAI (GPT-5.4 mini)",
+  "OpenAI (GPT-5.4 nano)": "OpenAI (GPT-5.4 nano)",
   "Anthropic (Claude Sonnet 4.6)": "Anthropic (Claude Sonnet 4.6)"
 }
diff --git a/src/_locales/tr/main.json b/src/_locales/tr/main.json
@@ -197,5 +197,7 @@
   "OpenAI (GPT-5.2)": "OpenAI (GPT-5.2)",
   "OpenAI (GPT-5.3 latest)": "OpenAI (GPT-5.3 latest)",
   "OpenAI (GPT-5.4)": "OpenAI (GPT-5.4)",
+  "OpenAI (GPT-5.4 mini)": "OpenAI (GPT-5.4 mini)",
+  "OpenAI (GPT-5.4 nano)": "OpenAI (GPT-5.4 nano)",
   "Anthropic (Claude Sonnet 4.6)": "Anthropic (Claude Sonnet 4.6)"
 }
diff --git a/src/_locales/zh-hans/main.json b/src/_locales/zh-hans/main.json
@@ -204,5 +204,7 @@
   "OpenAI (GPT-5.2)": "OpenAI (GPT-5.2)",
   "OpenAI (GPT-5.3 latest)": "OpenAI (GPT-5.3 latest)",
   "OpenAI (GPT-5.4)": "OpenAI (GPT-5.4)",
+  "OpenAI (GPT-5.4 mini)": "OpenAI (GPT-5.4 mini)",
+  "OpenAI (GPT-5.4 nano)": "OpenAI (GPT-5.4 nano)",
   "Anthropic (Claude Sonnet 4.6)": "Anthropic (Claude Sonnet 4.6)"
 }
diff --git a/src/_locales/zh-hant/main.json b/src/_locales/zh-hant/main.json
@@ -199,5 +199,7 @@
   "OpenAI (GPT-5.2)": "OpenAI (GPT-5.2)",
   "OpenAI (GPT-5.3 latest)": "OpenAI (GPT-5.3 latest)",
   "OpenAI (GPT-5.4)": "OpenAI (GPT-5.4)",
+  "OpenAI (GPT-5.4 mini)": "OpenAI (GPT-5.4 mini)",
+  "OpenAI (GPT-5.4 nano)": "OpenAI (GPT-5.4 nano)",
   "Anthropic (Claude Sonnet 4.6)": "Anthropic (Claude Sonnet 4.6)"
 }
diff --git a/src/config/index.mjs b/src/config/index.mjs
@@ -58,6 +58,8 @@ export const chatgptApiModelKeys = [
   'chatgptApi5_2',
   'chatgptApi5_3Latest',
   'chatgptApi5_4',
+  'chatgptApi5_4Mini',
+  'chatgptApi5_4Nano',
   'chatgptApi4oMini',
   'chatgptApi4_8k',
   'chatgptApi4_8k_0613',
@@ -260,6 +262,8 @@ export const Models = {
   chatgptApi5_2: { value: 'gpt-5.2', desc: 'OpenAI (GPT-5.2)' },
   chatgptApi5_3Latest: { value: 'gpt-5.3-chat-latest', desc: 'OpenAI (GPT-5.3 latest)' },
   chatgptApi5_4: { value: 'gpt-5.4', desc: 'OpenAI (GPT-5.4)' },
+  chatgptApi5_4Mini: { value: 'gpt-5.4-mini', desc: 'OpenAI (GPT-5.4 mini)' },
+  chatgptApi5_4Nano: { value: 'gpt-5.4-nano', desc: 'OpenAI (GPT-5.4 nano)' },
 
   chatgptApi4_1: { value: 'gpt-4.1', desc: 'OpenAI (GPT-4.1)' },
   chatgptApi4_1_mini: { value: 'gpt-4.1-mini', desc: 'OpenAI (GPT-4.1 mini)' },
diff --git a/tests/unit/config/config-predicates.test.mjs b/tests/unit/config/config-predicates.test.mjs
@@ -34,6 +34,8 @@ const representativeChatgptApiModelNames = [
   'chatgptApi5_1',
   'chatgptApi5_2',
   'chatgptApi5_4',
+  'chatgptApi5_4Mini',
+  'chatgptApi5_4Nano',
 ]
 const representativeGptCompletionApiModelNames = ['gptApiInstruct']
 const representativeClaudeApiModelNames = ['claude37SonnetApi', 'claudeOpus4Api']
diff --git a/tests/unit/services/apis/openai-api-compat.test.mjs b/tests/unit/services/apis/openai-api-compat.test.mjs
@@ -209,6 +209,76 @@ test('generateAnswersWithOpenAiApi uses OpenAI token params for a latest mapped
   assert.equal(Object.hasOwn(body, 'max_tokens'), false)
 })
 
+test('generateAnswersWithOpenAiApi uses max_completion_tokens for GPT-5.4 mini', async (t) => {
+  t.mock.method(console, 'debug', () => {})
+  setStorage({
+    customOpenAiApiUrl: 'https://api.openai.example.com',
+    maxConversationContextLength: 3,
+    maxResponseTokenLength: 444,
+    temperature: 0.3,
+  })
+
+  const session = {
+    modelName: 'chatgptApi5_4Mini',
+    conversationRecords: [],
+    isRetry: false,
+  }
+  const port = createFakePort()
+
+  let capturedInput
+  let capturedInit
+  t.mock.method(globalThis, 'fetch', async (input, init) => {
+    capturedInput = input
+    capturedInit = init
+    return createMockSseResponse([
+      'data: {"choices":[{"delta":{"content":"OK"},"finish_reason":"stop"}]}\n\n',
+    ])
+  })
+
+  await generateAnswersWithOpenAiApi(port, 'CurrentQ', session, 'sk-test')
+
+  const body = JSON.parse(capturedInit.body)
+  assert.equal(capturedInput, 'https://api.openai.example.com/v1/chat/completions')
+  assert.equal(body.model, 'gpt-5.4-mini')
+  assert.equal(body.max_completion_tokens, 444)
+  assert.equal(Object.hasOwn(body, 'max_tokens'), false)
+})
+
+test('generateAnswersWithOpenAiApi uses max_completion_tokens for GPT-5.4 nano', async (t) => {
+  t.mock.method(console, 'debug', () => {})
+  setStorage({
+    customOpenAiApiUrl: 'https://api.openai.example.com',
+    maxConversationContextLength: 3,
+    maxResponseTokenLength: 555,
+    temperature: 0.3,
+  })
+
+  const session = {
+    modelName: 'chatgptApi5_4Nano',
+    conversationRecords: [],
+    isRetry: false,
+  }
+  const port = createFakePort()
+
+  let capturedInput
+  let capturedInit
+  t.mock.method(globalThis, 'fetch', async (input, init) => {
+    capturedInput = input
+    capturedInit = init
+    return createMockSseResponse([
+      'data: {"choices":[{"delta":{"content":"OK"},"finish_reason":"stop"}]}\n\n',
+    ])
+  })
+
+  await generateAnswersWithOpenAiApi(port, 'CurrentQ', session, 'sk-test')
+
+  const body = JSON.parse(capturedInit.body)
+  assert.equal(capturedInput, 'https://api.openai.example.com/v1/chat/completions')
+  assert.equal(body.model, 'gpt-5.4-nano')
+  assert.equal(body.max_completion_tokens, 555)
+  assert.equal(Object.hasOwn(body, 'max_tokens'), false)
+})
+
 test('generateAnswersWithOpenAiApiCompat keeps max_tokens for latest mapped gpt-5 models in compat provider', async (t) => {
   t.mock.method(console, 'debug', () => {})
   setStorage({
diff --git a/tests/unit/services/apis/openai-token-params.test.mjs b/tests/unit/services/apis/openai-token-params.test.mjs
@@ -22,6 +22,8 @@ test('uses max_completion_tokens for recent gpt-5.x model names', () => {
     'gpt-5.2-chat-latest',
     'gpt-5.3',
     'gpt-5.3-chat-latest',
+    'gpt-5.4-mini',
+    'gpt-5.4-nano',
   ]
 
   for (const model of models) {
diff --git a/tests/unit/utils/model-name-convert.test.mjs b/tests/unit/utils/model-name-convert.test.mjs
@@ -123,6 +123,8 @@ test('modelNameToDesc returns desc for GPT-5 stable presets', () => {
   assert.equal(modelNameToDesc('chatgptApi5_1'), 'OpenAI (GPT-5.1)')
   assert.equal(modelNameToDesc('chatgptApi5_2'), 'OpenAI (GPT-5.2)')
   assert.equal(modelNameToDesc('chatgptApi5_4'), 'OpenAI (GPT-5.4)')
+  assert.equal(modelNameToDesc('chatgptApi5_4Mini'), 'OpenAI (GPT-5.4 mini)')
+  assert.equal(modelNameToDesc('chatgptApi5_4Nano'), 'OpenAI (GPT-5.4 nano)')
 })
 
 test('modelNameToDesc appends extraCustomModelName for customModel', () => {

Original file line number	Diff line number	Diff line change
`@@ -197,5 +197,7 @@`
`197`	`197`	`"OpenAI (GPT-5.2)": "OpenAI (GPT-5.2)",`
`198`	`198`	`"OpenAI (GPT-5.3 latest)": "OpenAI (GPT-5.3 latest)",`
`199`	`199`	`"OpenAI (GPT-5.4)": "OpenAI (GPT-5.4)",`
	`200`	`+ "OpenAI (GPT-5.4 mini)": "OpenAI (GPT-5.4 mini)",`
	`201`	`+ "OpenAI (GPT-5.4 nano)": "OpenAI (GPT-5.4 nano)",`
`200`	`202`	`"Anthropic (Claude Sonnet 4.6)": "Anthropic (Claude Sonnet 4.6)"`
`201`	`203`	`}`
Original file line number	Diff line number	Diff line change
`@@ -198,5 +198,7 @@`
`198`	`198`	`"OpenAI (GPT-5.2)": "OpenAI (GPT-5.2)",`
`199`	`199`	`"OpenAI (GPT-5.3 latest)": "OpenAI (GPT-5.3 latest)",`
`200`	`200`	`"OpenAI (GPT-5.4)": "OpenAI (GPT-5.4)",`
	`201`	`+ "OpenAI (GPT-5.4 mini)": "OpenAI (GPT-5.4 mini)",`
	`202`	`+ "OpenAI (GPT-5.4 nano)": "OpenAI (GPT-5.4 nano)",`
`201`	`203`	`"Anthropic (Claude Sonnet 4.6)": "Anthropic (Claude Sonnet 4.6)"`
`202`	`204`	`}`