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feat(model): add GPT-5.5 support for Codex provider (#880)

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- Bump Codex provider defaults from gpt-5.4 to gpt-5.5 across all ModelConfigs
- Update codexplan alias to resolve to gpt-5.5
- Add gpt-5.5 and gpt-5.5-mini to model picker with reasoning effort mappings
- Add context window and max output token specs for gpt-5.5 family
- Add gpt-5.5 entries to COPILOT_MODELS registry
- Keep official OpenAI API preset at gpt-5.4 (API availability pending)
- Update codexShim tests to expect gpt-5.5 from codexplan alias

Co-authored-by: OpenClaude <openclaude@gitlawb.com>
This commit is contained in:
Kevin Codex
2026-04-24 19:06:36 +08:00
committed by GitHub
parent b694ccfff1
commit 038f715b7a
8 changed files with 92 additions and 28 deletions
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6
src/services/api/codexShim.test.ts
View File

@@ -88,7 +88,7 @@ describe('Codex provider config', () => {
const resolved = resolveProviderRequest({ model: 'codexplan' })
expect(resolved.transport).toBe('codex_responses')
expect(resolved.resolvedModel).toBe('gpt-5.4')
expect(resolved.resolvedModel).toBe('gpt-5.5')
expect(resolved.reasoning).toEqual({ effort: 'high' })
expect(resolved.baseUrl).toBe('https://chatgpt.com/backend-api/codex')
})
@@ -114,7 +114,7 @@ describe('Codex provider config', () => {
expect(resolved.transport).toBe('chat_completions')
expect(resolved.baseUrl).toBe('http://127.0.0.1:8080/v1')
expect(resolved.resolvedModel).toBe('gpt-5.4')
expect(resolved.resolvedModel).toBe('gpt-5.5')
})
test('resolves codexplan to Codex transport even when OPENAI_BASE_URL is the string "undefined"', async () => {
@@ -161,7 +161,7 @@ describe('Codex provider config', () => {
const resolved = resolveProviderRequest()
expect(resolved.transport).toBe('codex_responses')
expect(resolved.baseUrl).toBe('https://chatgpt.com/backend-api/codex')
expect(resolved.resolvedModel).toBe('gpt-5.4')
expect(resolved.resolvedModel).toBe('gpt-5.5')
})
test('does not override custom base URL for codexplan (e.g., local provider)', async () => {

10
src/services/api/providerConfig.ts
View File

@@ -31,7 +31,11 @@ const CODEX_ALIAS_MODELS: Record<
}
> = {
codexplan: {
model: 'gpt-5.4',
model: 'gpt-5.5',
reasoningEffort: 'high',
},
'gpt-5.5': {
model: 'gpt-5.5',
reasoningEffort: 'high',
},
'gpt-5.4': {
@@ -59,6 +63,10 @@ const CODEX_ALIAS_MODELS: Record<
'gpt-5.1-codex-mini': {
model: 'gpt-5.1-codex-mini',
},
'gpt-5.5-mini': {
model: 'gpt-5.5-mini',
reasoningEffort: 'medium',
},
'gpt-5.4-mini': {
model: 'gpt-5.4-mini',
reasoningEffort: 'medium',

22
src/utils/model/configs.ts
View File

@@ -36,7 +36,7 @@ export const CLAUDE_3_7_SONNET_CONFIG = {
openai: 'gpt-4o-mini',
gemini: 'gemini-2.0-flash',
github: 'github:copilot',
codex: 'gpt-5.4',
codex: 'gpt-5.5',
'nvidia-nim': 'nvidia/llama-3.1-nemotron-70b-instruct',
minimax: 'MiniMax-M2.5',
} as const satisfies ModelConfig
@@ -49,7 +49,7 @@ export const CLAUDE_3_5_V2_SONNET_CONFIG = {
openai: 'gpt-4o-mini',
gemini: 'gemini-2.0-flash',
github: 'github:copilot',
codex: 'gpt-5.4',
codex: 'gpt-5.5',
'nvidia-nim': 'nvidia/llama-3.1-nemotron-70b-instruct',
minimax: 'MiniMax-M2.5',
} as const satisfies ModelConfig
@@ -62,7 +62,7 @@ export const CLAUDE_3_5_HAIKU_CONFIG = {
openai: 'gpt-4o-mini',
gemini: 'gemini-2.0-flash-lite',
github: 'github:copilot',
codex: 'gpt-5.4',
codex: 'gpt-5.5',
'nvidia-nim': 'nvidia/llama-3.1-nemotron-70b-instruct',
minimax: 'MiniMax-M2.5',
} as const satisfies ModelConfig
@@ -75,7 +75,7 @@ export const CLAUDE_HAIKU_4_5_CONFIG = {
openai: 'gpt-4o-mini',
gemini: 'gemini-2.0-flash-lite',
github: 'github:copilot',
codex: 'gpt-5.4',
codex: 'gpt-5.5',
'nvidia-nim': 'nvidia/llama-3.1-nemotron-70b-instruct',
minimax: 'MiniMax-M2.5',
} as const satisfies ModelConfig
@@ -88,7 +88,7 @@ export const CLAUDE_SONNET_4_CONFIG = {
openai: 'gpt-4o-mini',
gemini: 'gemini-2.0-flash',
github: 'github:copilot',
codex: 'gpt-5.4',
codex: 'gpt-5.5',
'nvidia-nim': 'nvidia/llama-3.1-nemotron-70b-instruct',
minimax: 'MiniMax-M2.5',
} as const satisfies ModelConfig
@@ -101,7 +101,7 @@ export const CLAUDE_SONNET_4_5_CONFIG = {
openai: 'gpt-4o',
gemini: 'gemini-2.0-flash',
github: 'github:copilot',
codex: 'gpt-5.4',
codex: 'gpt-5.5',
'nvidia-nim': 'nvidia/llama-3.1-nemotron-70b-instruct',
minimax: 'MiniMax-M2.5',
} as const satisfies ModelConfig
@@ -114,7 +114,7 @@ export const CLAUDE_OPUS_4_CONFIG = {
openai: 'gpt-4o',
gemini: 'gemini-2.5-pro',
github: 'github:copilot',
codex: 'gpt-5.4',
codex: 'gpt-5.5',
'nvidia-nim': 'nvidia/llama-3.1-nemotron-70b-instruct',
minimax: 'MiniMax-M2.5',
} as const satisfies ModelConfig
@@ -127,7 +127,7 @@ export const CLAUDE_OPUS_4_1_CONFIG = {
openai: 'gpt-4o',
gemini: 'gemini-2.5-pro',
github: 'github:copilot',
codex: 'gpt-5.4',
codex: 'gpt-5.5',
'nvidia-nim': 'nvidia/llama-3.1-nemotron-70b-instruct',
minimax: 'MiniMax-M2.5',
} as const satisfies ModelConfig
@@ -140,7 +140,7 @@ export const CLAUDE_OPUS_4_5_CONFIG = {
openai: 'gpt-4o',
gemini: 'gemini-2.5-pro',
github: 'github:copilot',
codex: 'gpt-5.4',
codex: 'gpt-5.5',
'nvidia-nim': 'nvidia/llama-3.1-nemotron-70b-instruct',
minimax: 'MiniMax-M2.5',
} as const satisfies ModelConfig
@@ -153,7 +153,7 @@ export const CLAUDE_OPUS_4_6_CONFIG = {
openai: 'gpt-4o',
gemini: 'gemini-2.5-pro',
github: 'github:copilot',
codex: 'gpt-5.4',
codex: 'gpt-5.5',
'nvidia-nim': 'nvidia/llama-3.1-nemotron-70b-instruct',
minimax: 'MiniMax-M2.5',
} as const satisfies ModelConfig
@@ -166,7 +166,7 @@ export const CLAUDE_SONNET_4_6_CONFIG = {
openai: 'gpt-4o',
gemini: 'gemini-2.0-flash',
github: 'github:copilot',
codex: 'gpt-5.4',
codex: 'gpt-5.5',
'nvidia-nim': 'nvidia/llama-3.1-nemotron-70b-instruct',
minimax: 'MiniMax-M2.5',
} as const satisfies ModelConfig

32
src/utils/model/copilotModels.ts
View File

@@ -32,6 +32,38 @@ export type CopilotModel = {
}
export const COPILOT_MODELS: Record<string, CopilotModel> = {
'gpt-5.5': {
id: 'gpt-5.5',
name: 'GPT-5.5',
family: 'gpt',
attachment: false,
reasoning: true,
tool_call: true,
temperature: true,
knowledge: '2025-05',
release_date: '2025-05-01',
last_updated: '2025-05-01',
modalities: { input: ['text'], output: ['text'] },
open_weights: false,
cost: { input: 0, output: 0 },
limit: { context: 400000, output: 32768 },
},
'gpt-5.5-mini': {
id: 'gpt-5.5-mini',
name: 'GPT-5.5 mini',
family: 'gpt-mini',
attachment: false,
reasoning: true,
tool_call: true,
temperature: true,
knowledge: '2025-05',
release_date: '2025-05-01',
last_updated: '2025-05-01',
modalities: { input: ['text'], output: ['text'] },
open_weights: false,
cost: { input: 0, output: 0 },
limit: { context: 400000, output: 32768 },
},
'gpt-5.4': {
id: 'gpt-5.4',
name: 'GPT-5.4',

20
src/utils/model/model.ts
View File

@@ -178,9 +178,9 @@ export function getDefaultOpusModel(): ModelName {
if (getAPIProvider() === 'openai') {
return process.env.OPENAI_MODEL || 'gpt-4o'
}
// Codex provider: use user-specified model or default to gpt-5.4
// Codex provider: use user-specified model or default to gpt-5.5
if (getAPIProvider() === 'codex') {
return process.env.OPENAI_MODEL || 'gpt-5.4'
return process.env.OPENAI_MODEL || 'gpt-5.5'
}
// GitHub Copilot provider
if (getAPIProvider() === 'github') {
@@ -222,7 +222,7 @@ export function getDefaultSonnetModel(): ModelName {
}
// Codex provider
if (getAPIProvider() === 'codex') {
return process.env.OPENAI_MODEL || 'gpt-5.4'
return process.env.OPENAI_MODEL || 'gpt-5.5'
}
// GitHub Copilot provider
if (getAPIProvider() === 'github') {
@@ -258,7 +258,7 @@ export function getDefaultHaikuModel(): ModelName {
}
// Codex provider
if (getAPIProvider() === 'codex') {
return process.env.OPENAI_MODEL || 'gpt-5.4'
return process.env.OPENAI_MODEL || 'gpt-5.5'
}
// GitHub Copilot provider
if (getAPIProvider() === 'github') {
@@ -340,9 +340,9 @@ export function getDefaultMainLoopModelSetting(): ModelName | ModelAlias {
if (getAPIProvider() === 'openai') {
return process.env.OPENAI_MODEL || 'gpt-4o'
}
// Codex provider: always use the configured Codex model (default gpt-5.4)
// Codex provider: always use the configured Codex model (default gpt-5.5)
if (getAPIProvider() === 'codex') {
return process.env.OPENAI_MODEL || 'gpt-5.4'
return process.env.OPENAI_MODEL || 'gpt-5.5'
}
// Ants default to defaultModel from flag config, or Opus 1M if not configured
@@ -506,7 +506,7 @@ export function renderModelSetting(setting: ModelName | ModelAlias): string {
}
// Handle Codex models - show actual model name + resolved model
if (setting === 'codexplan') {
return 'codexplan (gpt-5.4)'
return 'codexplan (gpt-5.5)'
}
if (setting === 'codexspark') {
return 'codexspark (gpt-5.3-codex-spark)'
@@ -527,6 +527,8 @@ export function getPublicModelDisplayName(model: ModelName): string | null {
if (getAPIProvider() === 'openai' || getAPIProvider() === 'gemini' || getAPIProvider() === 'codex' || getAPIProvider() === 'github') {
// Return display names for known GitHub Copilot models
const copilotModelNames: Record<string, string> = {
'gpt-5.5': 'GPT-5.5',
'gpt-5.5-mini': 'GPT-5.5 mini',
'gpt-5.4': 'GPT-5.4',
'gpt-5.4-mini': 'GPT-5.4 mini',
'gpt-5.3-codex': 'GPT-5.3 Codex',
@@ -553,6 +555,8 @@ export function getPublicModelDisplayName(model: ModelName): string | null {
return null
}
switch (model) {
case 'gpt-5.5':
return 'GPT-5.5'
case 'gpt-5.4':
return 'GPT-5.4'
case 'gpt-5.3-codex-spark':
@@ -687,7 +691,7 @@ export function parseUserSpecifiedModel(
// Handle Codex aliases - map to actual model names
if (modelString === 'codexplan') {
return 'gpt-5.4'
return 'gpt-5.5'
}
if (modelString === 'codexspark') {
return 'gpt-5.3-codex-spark'

18
src/utils/model/modelOptions.ts
View File

@@ -297,9 +297,9 @@ function getOpusPlanOption(): ModelOption {
function getCodexPlanOption(): ModelOption {
return {
value: 'gpt-5.4',
label: 'gpt-5.4',
description: 'GPT-5.4 on the Codex backend with high reasoning',
value: 'gpt-5.5',
label: 'gpt-5.5',
description: 'GPT-5.5 on the Codex backend with high reasoning',
}
}
@@ -313,6 +313,11 @@ function getCodexSparkOption(): ModelOption {
function getCodexModelOptions(): ModelOption[] {
return [
{
value: 'gpt-5.5',
label: 'gpt-5.5',
description: 'GPT-5.5 with high reasoning',
},
{
value: 'gpt-5.4',
label: 'gpt-5.4',
@@ -348,6 +353,11 @@ function getCodexModelOptions(): ModelOption[] {
label: 'gpt-5.1-codex-mini',
description: 'GPT-5.1 Codex Mini - faster, cheaper',
},
{
value: 'gpt-5.5-mini',
label: 'gpt-5.5-mini',
description: 'GPT-5.5 Mini - faster, cheaper',
},
{
value: 'gpt-5.4-mini',
label: 'gpt-5.4-mini',
@@ -679,7 +689,7 @@ export function getModelOptions(fastMode = false): ModelOption[] {
return filterModelOptionsByAllowlist(options)
} else if (customModel === 'opusplan') {
return filterModelOptionsByAllowlist([...options, getOpusPlanOption()])
} else if (customModel === 'gpt-5.4') {
} else if (customModel === 'gpt-5.5') {
return filterModelOptionsByAllowlist([...options, getCodexPlanOption()])
} else if (customModel === 'gpt-5.3-codex-spark') {
return filterModelOptionsByAllowlist([...options, getCodexSparkOption()])

10
src/utils/model/openaiContextWindows.ts
View File

@@ -38,6 +38,8 @@ const OPENAI_CONTEXT_WINDOWS: Record<string, number> = {
'github:copilot:gpt-5.2': 400_000,
'github:copilot:gpt-5.2-codex': 400_000,
'github:copilot:gpt-5.3-codex': 400_000,
'github:copilot:gpt-5.5': 400_000,
'github:copilot:gpt-5.5-mini': 400_000,
'github:copilot:gpt-5.4': 400_000,
'github:copilot:gpt-5.4-mini': 400_000,
// Gemini
@@ -60,6 +62,8 @@ const OPENAI_CONTEXT_WINDOWS: Record<string, number> = {
'github_copilot/gpt-4.1': 128_000,
'github_copilot/gpt-4o': 128_000,
'github_copilot/gpt-5-mini': 264_000,
'github_copilot/gpt-5.5': 400_000,
'github_copilot/gpt-5.5-mini': 400_000,
'github_copilot/gpt-5.4': 400_000,
'github_copilot/gpt-5.4-mini': 400_000,
'github_copilot/gemini-2.5-pro': 128_000,
@@ -71,6 +75,9 @@ const OPENAI_CONTEXT_WINDOWS: Record<string, number> = {
// limits for the same model name, so we cannot safely hardcode values here.
// OpenAI
'gpt-5.5': 1_050_000,
'gpt-5.5-mini': 400_000,
'gpt-5.5-nano': 400_000,
'gpt-5.4': 1_050_000,
'gpt-5.4-mini': 400_000,
'gpt-5.4-nano': 400_000,
@@ -288,6 +295,9 @@ const OPENAI_MAX_OUTPUT_TOKENS: Record<string, number> = {
// NOTE: bare Claude model names omitted — see context windows comment above.
// OpenAI
'gpt-5.5': 128_000,
'gpt-5.5-mini': 128_000,
'gpt-5.5-nano': 128_000,
'gpt-5.4': 128_000,
'gpt-5.4-mini': 128_000,
'gpt-5.4-nano': 128_000,

2
src/utils/providerProfiles.ts
View File

@@ -153,7 +153,7 @@ export function getProviderPresetDefaults(
provider: 'openai',
name: 'OpenAI',
baseUrl: 'https://api.openai.com/v1',
model: 'gpt-5.3-codex',
model: 'gpt-5.4',
apiKey: '',
requiresApiKey: true,
}