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feat(openai): 增加 gpt-5.4 模型支持与定价配置

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- 接入 gpt-5.4 模型识别与规范化，补充默认模型列表
- 增加 gpt-5.4 输入/缓存命中/输出价格与计费兜底逻辑
- 同步前端模型白名单与 OpenCode 上下文窗口（1050000/128000）

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
(cherry picked from commit 924476dcac6181cd0f3ee731ec7b73672ff03793)
This commit is contained in:
yangjianbo
2026-03-06 08:14:04 +08:00
parent 63a8c76946
commit 1a0d4ed668
11 changed files with 218 additions and 6 deletions
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1
backend/internal/pkg/openai/constants.go
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@@ -15,6 +15,7 @@ type Model struct {
// DefaultModels OpenAI models list
var DefaultModels = []Model{
{ID: "gpt-5.4", Object: "model", Created: 1738368000, OwnedBy: "openai", Type: "model", DisplayName: "GPT-5.4"},
{ID: "gpt-5.3-codex", Object: "model", Created: 1735689600, OwnedBy: "openai", Type: "model", DisplayName: "GPT-5.3 Codex"},
{ID: "gpt-5.3-codex-spark", Object: "model", Created: 1735689600, OwnedBy: "openai", Type: "model", DisplayName: "GPT-5.3 Codex Spark"},
{ID: "gpt-5.2", Object: "model", Created: 1733875200, OwnedBy: "openai", Type: "model", DisplayName: "GPT-5.2"},

48
backend/internal/service/billing_service.go
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@@ -161,6 +161,32 @@ func (s *BillingService) initFallbackPricing() {
CacheReadPricePerToken: 0.2e-6, // $0.20 per MTok
SupportsCacheBreakdown: false,
}
// OpenAI GPT-5.1（本地兜底，防止动态定价不可用时拒绝计费）
s.fallbackPrices["gpt-5.1"] = &ModelPricing{
InputPricePerToken: 1.25e-6, // $1.25 per MTok
OutputPricePerToken: 10e-6, // $10 per MTok
CacheCreationPricePerToken: 1.25e-6, // $1.25 per MTok
CacheReadPricePerToken: 0.125e-6,
SupportsCacheBreakdown: false,
}
// OpenAI GPT-5.4（业务指定价格）
s.fallbackPrices["gpt-5.4"] = &ModelPricing{
InputPricePerToken: 2.5e-6, // $2.5 per MTok
OutputPricePerToken: 15e-6, // $15 per MTok
CacheCreationPricePerToken: 2.5e-6, // $2.5 per MTok
CacheReadPricePerToken: 0.25e-6, // $0.25 per MTok
SupportsCacheBreakdown: false,
}
// Codex 族兜底统一按 GPT-5.1 Codex 价格计费
s.fallbackPrices["gpt-5.1-codex"] = &ModelPricing{
InputPricePerToken: 1.5e-6, // $1.5 per MTok
OutputPricePerToken: 12e-6, // $12 per MTok
CacheCreationPricePerToken: 1.5e-6, // $1.5 per MTok
CacheReadPricePerToken: 0.15e-6,
SupportsCacheBreakdown: false,
}
s.fallbackPrices["gpt-5.3-codex"] = s.fallbackPrices["gpt-5.1-codex"]
}
// getFallbackPricing 根据模型系列获取回退价格
@@ -189,12 +215,30 @@ func (s *BillingService) getFallbackPricing(model string) *ModelPricing {
}
return s.fallbackPrices["claude-3-haiku"]
}
// Claude 未知型号统一回退到 Sonnet，避免计费中断。
if strings.Contains(modelLower, "claude") {
return s.fallbackPrices["claude-sonnet-4"]
}
if strings.Contains(modelLower, "gemini-3.1-pro") || strings.Contains(modelLower, "gemini-3-1-pro") {
return s.fallbackPrices["gemini-3.1-pro"]
}
// 默认使用Sonnet价格
return s.fallbackPrices["claude-sonnet-4"]
// OpenAI 仅匹配已知 GPT-5/Codex 族，避免未知 OpenAI 型号误计价。
if strings.Contains(modelLower, "gpt-5") || strings.Contains(modelLower, "codex") {
normalized := normalizeCodexModel(modelLower)
switch normalized {
case "gpt-5.4":
return s.fallbackPrices["gpt-5.4"]
case "gpt-5.3-codex":
return s.fallbackPrices["gpt-5.3-codex"]
case "gpt-5.1-codex", "gpt-5.1-codex-max", "gpt-5.1-codex-mini", "codex-mini-latest":
return s.fallbackPrices["gpt-5.1-codex"]
case "gpt-5.1":
return s.fallbackPrices["gpt-5.1"]
}
}
return nil
}
// GetModelPricing 获取模型价格配置

67
backend/internal/service/billing_service_test.go
View File

@@ -133,7 +133,7 @@ func TestGetModelPricing_CaseInsensitive(t *testing.T) {
require.Equal(t, p1.InputPricePerToken, p2.InputPricePerToken)
}
func TestGetModelPricing_UnknownModelFallsBackToSonnet(t *testing.T) {
func TestGetModelPricing_UnknownClaudeModelFallsBackToSonnet(t *testing.T) {
svc := newTestBillingService()
// 不包含 opus/sonnet/haiku 关键词的 Claude 模型会走默认 Sonnet 价格
@@ -142,6 +142,71 @@ func TestGetModelPricing_UnknownModelFallsBackToSonnet(t *testing.T) {
require.InDelta(t, 3e-6, pricing.InputPricePerToken, 1e-12)
}
func TestGetModelPricing_UnknownOpenAIModelReturnsError(t *testing.T) {
svc := newTestBillingService()
pricing, err := svc.GetModelPricing("gpt-unknown-model")
require.Error(t, err)
require.Nil(t, pricing)
require.Contains(t, err.Error(), "pricing not found")
}
func TestGetModelPricing_OpenAIGPT51Fallback(t *testing.T) {
svc := newTestBillingService()
pricing, err := svc.GetModelPricing("gpt-5.1")
require.NoError(t, err)
require.NotNil(t, pricing)
require.InDelta(t, 1.25e-6, pricing.InputPricePerToken, 1e-12)
}
func TestGetModelPricing_OpenAIGPT54Fallback(t *testing.T) {
svc := newTestBillingService()
pricing, err := svc.GetModelPricing("gpt-5.4")
require.NoError(t, err)
require.NotNil(t, pricing)
require.InDelta(t, 2.5e-6, pricing.InputPricePerToken, 1e-12)
require.InDelta(t, 15e-6, pricing.OutputPricePerToken, 1e-12)
require.InDelta(t, 0.25e-6, pricing.CacheReadPricePerToken, 1e-12)
}
func TestGetFallbackPricing_FamilyMatching(t *testing.T) {
svc := newTestBillingService()
tests := []struct {
name string
model string
expectedInput float64
expectNilPricing bool
}{
{name: "empty model", model: " ", expectNilPricing: true},
{name: "claude opus 4.6", model: "claude-opus-4.6-20260201", expectedInput: 5e-6},
{name: "claude opus 4.5 alt separator", model: "claude-opus-4-5-20260101", expectedInput: 5e-6},
{name: "claude generic model fallback sonnet", model: "claude-foo-bar", expectedInput: 3e-6},
{name: "gemini explicit fallback", model: "gemini-3-1-pro", expectedInput: 2e-6},
{name: "gemini unknown no fallback", model: "gemini-2.0-pro", expectNilPricing: true},
{name: "openai gpt5.1", model: "gpt-5.1", expectedInput: 1.25e-6},
{name: "openai gpt5.4", model: "gpt-5.4", expectedInput: 2.5e-6},
{name: "openai gpt5.3 codex", model: "gpt-5.3-codex", expectedInput: 1.5e-6},
{name: "openai gpt5.1 codex max alias", model: "gpt-5.1-codex-max", expectedInput: 1.5e-6},
{name: "openai codex mini latest alias", model: "codex-mini-latest", expectedInput: 1.5e-6},
{name: "openai unknown no fallback", model: "gpt-unknown-model", expectNilPricing: true},
{name: "non supported family", model: "qwen-max", expectNilPricing: true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
pricing := svc.getFallbackPricing(tt.model)
if tt.expectNilPricing {
require.Nil(t, pricing)
return
}
require.NotNil(t, pricing)
require.InDelta(t, tt.expectedInput, pricing.InputPricePerToken, 1e-12)
})
}
}
func TestCalculateCostWithLongContext_BelowThreshold(t *testing.T) {
svc := newTestBillingService()

10
backend/internal/service/openai_codex_transform.go
View File

@@ -9,6 +9,13 @@ import (
var codexCLIInstructions string
var codexModelMap = map[string]string{
"gpt-5.4": "gpt-5.4",
"gpt-5.4-none": "gpt-5.4",
"gpt-5.4-low": "gpt-5.4",
"gpt-5.4-medium": "gpt-5.4",
"gpt-5.4-high": "gpt-5.4",
"gpt-5.4-xhigh": "gpt-5.4",
"gpt-5.4-chat-latest": "gpt-5.4",
"gpt-5.3": "gpt-5.3-codex",
"gpt-5.3-none": "gpt-5.3-codex",
"gpt-5.3-low": "gpt-5.3-codex",
@@ -154,6 +161,9 @@ func normalizeCodexModel(model string) string {
normalized := strings.ToLower(modelID)
if strings.Contains(normalized, "gpt-5.4") || strings.Contains(normalized, "gpt 5.4") {
return "gpt-5.4"
}
if strings.Contains(normalized, "gpt-5.2-codex") || strings.Contains(normalized, "gpt 5.2 codex") {
return "gpt-5.2-codex"
}

4
backend/internal/service/openai_codex_transform_test.go
View File

@@ -167,6 +167,10 @@ func TestApplyCodexOAuthTransform_EmptyInput(t *testing.T) {
func TestNormalizeCodexModel_Gpt53(t *testing.T) {
cases := map[string]string{
"gpt-5.4": "gpt-5.4",
"gpt-5.4-high": "gpt-5.4",
"gpt-5.4-chat-latest": "gpt-5.4",
"gpt 5.4": "gpt-5.4",
"gpt-5.3": "gpt-5.3-codex",
"gpt-5.3-codex": "gpt-5.3-codex",
"gpt-5.3-codex-xhigh": "gpt-5.3-codex",

21
backend/internal/service/pricing_service.go
View File

@@ -21,8 +21,16 @@ import (
)
var (
openAIModelDatePattern = regexp.MustCompile(`-\d{8}$`)
openAIModelBasePattern = regexp.MustCompile(`^(gpt-\d+(?:\.\d+)?)(?:-|$)`)
openAIModelDatePattern = regexp.MustCompile(`-\d{8}$`)
openAIModelBasePattern = regexp.MustCompile(`^(gpt-\d+(?:\.\d+)?)(?:-|$)`)
openAIGPT54FallbackPricing = &LiteLLMModelPricing{
InputCostPerToken: 2.5e-06, // $2.5 per MTok
OutputCostPerToken: 1.5e-05, // $15 per MTok
CacheReadInputTokenCost: 2.5e-07, // $0.25 per MTok
LiteLLMProvider: "openai",
Mode: "chat",
SupportsPromptCaching: true,
}
)
// LiteLLMModelPricing LiteLLM价格数据结构
@@ -660,7 +668,8 @@ func (s *PricingService) matchByModelFamily(model string) *LiteLLMModelPricing {
// 2. gpt-5.2-codex -> gpt-5.2（去掉后缀如 -codex, -mini, -max 等）
// 3. gpt-5.2-20251222 -> gpt-5.2（去掉日期版本号）
// 4. gpt-5.3-codex -> gpt-5.2-codex
// 5. 最终回退到 DefaultTestModel (gpt-5.1-codex)
// 5. gpt-5.4* -> 业务静态兜底价
// 6. 最终回退到 DefaultTestModel (gpt-5.1-codex)
func (s *PricingService) matchOpenAIModel(model string) *LiteLLMModelPricing {
if strings.HasPrefix(model, "gpt-5.3-codex-spark") {
if pricing, ok := s.pricingData["gpt-5.1-codex"]; ok {
@@ -690,6 +699,12 @@ func (s *PricingService) matchOpenAIModel(model string) *LiteLLMModelPricing {
}
}
if strings.HasPrefix(model, "gpt-5.4") {
logger.With(zap.String("component", "service.pricing")).
Info(fmt.Sprintf("[Pricing] OpenAI fallback matched %s -> %s", model, "gpt-5.4(static)"))
return openAIGPT54FallbackPricing
}
// 最终回退到 DefaultTestModel
defaultModel := strings.ToLower(openai.DefaultTestModel)
if pricing, ok := s.pricingData[defaultModel]; ok {

14
backend/internal/service/pricing_service_test.go
View File

@@ -51,3 +51,17 @@ func TestGetModelPricing_OpenAIFallbackMatchedLoggedAsInfo(t *testing.T) {
require.True(t, logSink.ContainsMessageAtLevel("[Pricing] OpenAI fallback matched gpt-5.3-codex -> gpt-5.2-codex", "info"))
require.False(t, logSink.ContainsMessageAtLevel("[Pricing] OpenAI fallback matched gpt-5.3-codex -> gpt-5.2-codex", "warn"))
}
func TestGetModelPricing_Gpt54UsesStaticFallbackWhenRemoteMissing(t *testing.T) {
svc := &PricingService{
pricingData: map[string]*LiteLLMModelPricing{
"gpt-5.1-codex": &LiteLLMModelPricing{InputCostPerToken: 1.25e-6},
},
}
got := svc.GetModelPricing("gpt-5.4")
require.NotNil(t, got)
require.InDelta(t, 2.5e-6, got.InputCostPerToken, 1e-12)
require.InDelta(t, 1.5e-5, got.OutputCostPerToken, 1e-12)
require.InDelta(t, 2.5e-7, got.CacheReadInputTokenCost, 1e-12)
}