fix: whisper model billing

- Refactor model name handling across multiple controllers to improve clarity and maintainability.
- Enhance error logging and handling for better debugging and request processing robustness.
- Update pricing models in accordance with new calculations, ensuring accuracy in the billing logic.

relay/adaptor/proxy/adaptor.go

@@ -60,7 +60,6 @@ func (a *Adaptor) GetChannelName() string {
 func (a *Adaptor) GetRequestURL(meta *meta.Meta) (string, error) {
 	prefix := fmt.Sprintf("/v1/oneapi/proxy/%d", meta.ChannelId)
 	return meta.BaseURL + strings.TrimPrefix(meta.RequestURLPath, prefix), nil
-
 }
 
 func (a *Adaptor) SetupRequestHeader(c *gin.Context, req *http.Request, meta *meta.Meta) error {

relay/billing/ratio/model.go

@@ -71,7 +71,7 @@ var ModelRatio = map[string]float64{
 	"text-davinci-003":                10,
 	"text-davinci-edit-001":           10,
 	"code-davinci-edit-001":           10,
-	"whisper-1":                       15,  // $0.006 / minute -> $0.006 / 150 words -> $0.006 / 200 tokens -> $0.03 / 1k tokens
+	"whisper-1":                       15,
 	"tts-1":                           7.5, // $0.015 / 1K characters
 	"tts-1-1106":                      7.5,
 	"tts-1-hd":                        15, // $0.030 / 1K characters
@@ -385,8 +385,9 @@ func GetAudioCompletionRatio(actualModelName string) float64 {
 
 // AudioTokensPerSecond is the number of audio tokens per second for each model.
 var AudioPromptTokensPerSecond = map[string]float64{
-	// $0.006 / minute -> $0.002 / 20 seconds -> $0.002 / 1K tokens
-	"whisper-1": 1000 / 20,
+	// whisper 的 API 价格是 $0.0001/sec。one-api 的历史倍率为 15，对应 $0.03/kilo_tokens。
+	// 那么换算后可得，每秒的 tokens 应该为 0.0001/0.03*1000 = 3.3333
+	"whisper-1": 0.0001 / 0.03 * 1000,
 	// gpt-4o-audio series processes 10 tokens per second
 	"gpt-4o-audio-preview":            10,
 	"gpt-4o-audio-preview-2024-12-17": 10,

relay/controller/helper.go

@@ -135,17 +135,6 @@ func postConsumeQuota(ctx context.Context, usage *relaymodel.Usage, meta *meta.M
 	return quota
 }
 
-func getMappedModelName(modelName string, mapping map[string]string) (string, bool) {
-	if mapping == nil {
-		return modelName, false
-	}
-	mappedModelName := mapping[modelName]
-	if mappedModelName != "" {
-		return mappedModelName, true
-	}
-	return modelName, false
-}
-
 func isErrorHappened(meta *meta.Meta, resp *http.Response) bool {
 	if resp == nil {
 		if meta.ChannelType == channeltype.AwsClaude {

relay/controller/image.go

@@ -116,7 +116,8 @@ func RelayImageHelper(c *gin.Context, relayMode int) *relaymodel.ErrorWithStatus
 	// map model name
 	var isModelMapped bool
 	meta.OriginModelName = imageRequest.Model
-	imageRequest.Model, isModelMapped = getMappedModelName(imageRequest.Model, meta.ModelMapping)
+	imageRequest.Model = meta.ActualModelName
+	isModelMapped = meta.OriginModelName != meta.ActualModelName
 	meta.ActualModelName = imageRequest.Model
 	metalib.Set2Context(c, meta)
 
@@ -133,7 +134,7 @@ func RelayImageHelper(c *gin.Context, relayMode int) *relaymodel.ErrorWithStatus
 
 	imageModel := imageRequest.Model
 	// Convert the original image model
-	imageRequest.Model, _ = getMappedModelName(imageRequest.Model, billingratio.ImageOriginModelName)
+	imageRequest.Model = metalib.GetMappedModelName(imageRequest.Model, billingratio.ImageOriginModelName)
 	c.Set("response_format", imageRequest.ResponseFormat)
 
 	var requestBody io.Reader

relay/controller/text.go

@@ -21,13 +21,13 @@ import (
 	"github.com/songquanpeng/one-api/relay/billing"
 	billingratio "github.com/songquanpeng/one-api/relay/billing/ratio"
 	"github.com/songquanpeng/one-api/relay/channeltype"
-	"github.com/songquanpeng/one-api/relay/meta"
+	metalib "github.com/songquanpeng/one-api/relay/meta"
 	relaymodel "github.com/songquanpeng/one-api/relay/model"
 )
 
 func RelayTextHelper(c *gin.Context) *relaymodel.ErrorWithStatusCode {
 	ctx := c.Request.Context()
-	meta := meta.GetByContext(c)
+	meta := metalib.GetByContext(c)
 	// get & validate textRequest
 	textRequest, err := getAndValidateTextRequest(c, meta.Mode)
 	if err != nil {
@@ -38,7 +38,7 @@ func RelayTextHelper(c *gin.Context) *relaymodel.ErrorWithStatusCode {
 
 	// map model name
 	meta.OriginModelName = textRequest.Model
-	textRequest.Model, _ = getMappedModelName(textRequest.Model, meta.ModelMapping)
+	textRequest.Model = meta.ActualModelName
 	meta.ActualModelName = textRequest.Model
 	// set system prompt if not empty
 	systemPromptReset := setSystemPrompt(ctx, textRequest, meta.SystemPrompt)
@@ -117,7 +117,7 @@ func RelayTextHelper(c *gin.Context) *relaymodel.ErrorWithStatusCode {
 	return nil
 }
 
-func getRequestBody(c *gin.Context, meta *meta.Meta, textRequest *relaymodel.GeneralOpenAIRequest, adaptor adaptor.Adaptor) (io.Reader, error) {
+func getRequestBody(c *gin.Context, meta *metalib.Meta, textRequest *relaymodel.GeneralOpenAIRequest, adaptor adaptor.Adaptor) (io.Reader, error) {
 	if !config.EnforceIncludeUsage &&
 		meta.APIType == apitype.OpenAI &&
 		meta.OriginModelName == meta.ActualModelName &&

relay/meta/relay_meta.go

@@ -35,6 +35,20 @@ type Meta struct {
 	SystemPrompt    string
 }
 
+// GetMappedModelName returns the mapped model name and a bool indicating if the model name is mapped
+func GetMappedModelName(modelName string, mapping map[string]string) string {
+	if mapping == nil {
+		return modelName
+	}
+
+	mappedModelName := mapping[modelName]
+	if mappedModelName != "" {
+		return mappedModelName
+	}
+
+	return modelName
+}
+
 func GetByContext(c *gin.Context) *Meta {
 	if v, ok := c.Get(ctxkey.Meta); ok {
 		return v.(*Meta)
@@ -50,6 +64,7 @@ func GetByContext(c *gin.Context) *Meta {
 		Group:           c.GetString(ctxkey.Group),
 		ModelMapping:    c.GetStringMapString(ctxkey.ModelMapping),
 		OriginModelName: c.GetString(ctxkey.RequestModel),
+		ActualModelName: c.GetString(ctxkey.RequestModel),
 		BaseURL:         c.GetString(ctxkey.BaseURL),
 		APIKey:          strings.TrimPrefix(c.Request.Header.Get("Authorization"), "Bearer "),
 		RequestURLPath:  c.Request.URL.String(),
@@ -65,6 +80,8 @@ func GetByContext(c *gin.Context) *Meta {
 	}
 	meta.APIType = channeltype.ToAPIType(meta.ChannelType)
 
+	meta.ActualModelName = GetMappedModelName(meta.OriginModelName, meta.ModelMapping)
+
 	Set2Context(c, &meta)
 	return &meta
 }