fix: add support for OpenAI web search models in documentation and request handling

relay/adaptor/openai/adaptor.go

@@ -129,8 +129,8 @@ func (a *Adaptor) ConvertRequest(c *gin.Context, relayMode int, request *model.G
 	}
 
 	// o1/o1-mini/o1-preview do not support system prompt/max_tokens/temperature
-	if strings.HasPrefix(request.Model, "o1") ||
-		strings.HasPrefix(request.Model, "o3") {
+	if strings.HasPrefix(meta.ActualModelName, "o1") ||
+		strings.HasPrefix(meta.ActualModelName, "o3") {
 		temperature := float64(1)
 		request.Temperature = &temperature // Only the default (1) value is supported
 
@@ -146,6 +146,16 @@ func (a *Adaptor) ConvertRequest(c *gin.Context, relayMode int, request *model.G
 		}(request.Messages)
 	}
 
+	// web search do not support system prompt/max_tokens/temperature
+	if strings.HasPrefix(meta.ActualModelName, "gpt-4o-search") ||
+		strings.HasPrefix(meta.ActualModelName, "gpt-4o-mini-search") {
+		request.Temperature = nil
+		request.TopP = nil
+		request.PresencePenalty = nil
+		request.N = nil
+		request.FrequencyPenalty = nil
+	}
+
 	if request.Stream && !config.EnforceIncludeUsage &&
 		(strings.HasPrefix(request.Model, "gpt-4o-audio") ||
 			strings.HasPrefix(request.Model, "gpt-4o-mini-audio")) {

relay/adaptor/palm/palm.go

@@ -25,11 +25,17 @@ func ConvertRequest(textRequest model.GeneralOpenAIRequest) *ChatRequest {
 		Prompt: Prompt{
 			Messages: make([]ChatMessage, 0, len(textRequest.Messages)),
 		},
-		Temperature:    textRequest.Temperature,
-		CandidateCount: textRequest.N,
-		TopP:           textRequest.TopP,
-		TopK:           textRequest.MaxTokens,
+		Temperature: textRequest.Temperature,
+		TopP:        textRequest.TopP,
+		TopK:        textRequest.MaxTokens,
 	}
+
+	if textRequest.N != nil {
+		palmRequest.CandidateCount = *textRequest.N
+	} else {
+		palmRequest.CandidateCount = 1
+	}
+
 	for _, message := range textRequest.Messages {
 		palmMessage := ChatMessage{
 			Content: message.StringContent(),

relay/adaptor/xunfei/main.go

@@ -41,10 +41,15 @@ func requestOpenAI2Xunfei(request model.GeneralOpenAIRequest, xunfeiAppId string
 	xunfeiRequest.Header.AppId = xunfeiAppId
 	xunfeiRequest.Parameter.Chat.Domain = domain
 	xunfeiRequest.Parameter.Chat.Temperature = request.Temperature
-	xunfeiRequest.Parameter.Chat.TopK = request.N
 	xunfeiRequest.Parameter.Chat.MaxTokens = request.MaxTokens
 	xunfeiRequest.Payload.Message.Text = messages
 
+	if request.N != nil {
+		xunfeiRequest.Parameter.Chat.TopK = *request.N
+	} else {
+		xunfeiRequest.Parameter.Chat.TopK = 1
+	}
+
 	if strings.HasPrefix(domain, "generalv3") || domain == "4.0Ultra" {
 		functions := make([]model.Function, len(request.Tools))
 		for i, tool := range request.Tools {