Add GPT-5 ~ GPT-5.4 stable models

Add built-in ChatGPT API presets for gpt-5, gpt-5.1, gpt-5.2, and
gpt-5.4 alongside the existing chat-latest entries.

Author: PeterDaveHello

src/config/index.mjs

@@ -51,9 +51,13 @@ export const chatgptApiModelKeys = [
   'chatgptApi35_0125',
   'chatgptApi4o_128k',
   'chatgptApi5Latest',
+  'chatgptApi5',
   'chatgptApi5_1Latest',
+  'chatgptApi5_1',
   'chatgptApi5_2Latest',
+  'chatgptApi5_2',
   'chatgptApi5_3Latest',
+  'chatgptApi5_4',
   'chatgptApi4oMini',
   'chatgptApi4_8k',
   'chatgptApi4_8k_0613',
@@ -246,9 +250,13 @@ export const Models = {
     desc: 'ChatGPT (GPT-4-Turbo 128k 0125 Preview)',
   },
   chatgptApi5Latest: { value: 'gpt-5-chat-latest', desc: 'ChatGPT (ChatGPT-5 latest)' },
+  chatgptApi5: { value: 'gpt-5', desc: 'ChatGPT (GPT-5)' },
   chatgptApi5_1Latest: { value: 'gpt-5.1-chat-latest', desc: 'ChatGPT (ChatGPT-5.1 latest)' },
+  chatgptApi5_1: { value: 'gpt-5.1', desc: 'ChatGPT (GPT-5.1)' },
   chatgptApi5_2Latest: { value: 'gpt-5.2-chat-latest', desc: 'ChatGPT (ChatGPT-5.2 latest)' },
+  chatgptApi5_2: { value: 'gpt-5.2', desc: 'ChatGPT (GPT-5.2)' },
   chatgptApi5_3Latest: { value: 'gpt-5.3-chat-latest', desc: 'ChatGPT (ChatGPT-5.3 latest)' },
+  chatgptApi5_4: { value: 'gpt-5.4', desc: 'ChatGPT (GPT-5.4)' },
 
   chatgptApi4_1: { value: 'gpt-4.1', desc: 'ChatGPT (GPT-4.1)' },
   chatgptApi4_1_mini: { value: 'gpt-4.1-mini', desc: 'ChatGPT (GPT-4.1 mini)' },

tests/unit/config/config-predicates.test.mjs

@@ -65,6 +65,10 @@ test('getNavigatorLanguage treats zh-Hant locale as zhHant', () => {
 
 test('isUsingChatgptApiModel detects chatgpt API models and excludes custom model', () => {
   assert.equal(isUsingChatgptApiModel({ modelName: 'chatgptApi4oMini' }), true)
+  assert.equal(isUsingChatgptApiModel({ modelName: 'chatgptApi5' }), true)
+  assert.equal(isUsingChatgptApiModel({ modelName: 'chatgptApi5_1' }), true)
+  assert.equal(isUsingChatgptApiModel({ modelName: 'chatgptApi5_2' }), true)
+  assert.equal(isUsingChatgptApiModel({ modelName: 'chatgptApi5_4' }), true)
   assert.equal(isUsingChatgptApiModel({ modelName: 'customModel' }), false)
 })
 

tests/unit/utils/model-name-convert.test.mjs

@@ -117,6 +117,13 @@ test('modelNameToDesc returns desc for a known model name without t function', (
   assert.equal(desc, 'ChatGPT (Web)')
 })
 
+test('modelNameToDesc returns desc for GPT-5 stable presets', () => {
+  assert.equal(modelNameToDesc('chatgptApi5'), 'ChatGPT (GPT-5)')
+  assert.equal(modelNameToDesc('chatgptApi5_1'), 'ChatGPT (GPT-5.1)')
+  assert.equal(modelNameToDesc('chatgptApi5_2'), 'ChatGPT (GPT-5.2)')
+  assert.equal(modelNameToDesc('chatgptApi5_4'), 'ChatGPT (GPT-5.4)')
+})
+
 test('modelNameToDesc appends extraCustomModelName for customModel', () => {
   const desc = modelNameToDesc('customModel', null, 'my-gpt')
   assert.equal(desc, 'Custom Model (my-gpt)')