From 729610beb01e01de7631536acf8a1e63d81054bb Mon Sep 17 00:00:00 2001
From: Papersnake <prnake@gmail.com>
Date: Fri, 6 Feb 2026 11:56:38 +0800
Subject: [PATCH] fix: set temperature to 1

---
 relay/claude_handler.go | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/relay/claude_handler.go b/relay/claude_handler.go
index 7e05116da..10b42cd98 100644
--- a/relay/claude_handler.go
+++ b/relay/claude_handler.go
@@ -2,6 +2,7 @@ package relay
 
 import (
 	"bytes"
+	"encoding/json"
 	"fmt"
 	"io"
 	"net/http"
@@ -14,6 +15,7 @@ import (
 	"github.com/QuantumNous/new-api/relay/helper"
 	"github.com/QuantumNous/new-api/service"
 	"github.com/QuantumNous/new-api/setting/model_setting"
+	"github.com/QuantumNous/new-api/setting/reasoning"
 	"github.com/QuantumNous/new-api/types"
 
 	"github.com/gin-gonic/gin"
@@ -49,7 +51,17 @@ func ClaudeHelper(c *gin.Context, info *relaycommon.RelayInfo) (newAPIError *typ
 		request.MaxTokens = uint(model_setting.GetClaudeSettings().GetDefaultMaxTokens(request.Model))
 	}
 
-	if model_setting.GetClaudeSettings().ThinkingAdapterEnabled &&
+	if baseModel, effortLevel, ok := reasoning.TrimEffortSuffix(request.Model); ok && effortLevel != "" &&
+		strings.HasPrefix(request.Model, "claude-opus-4-6") {
+		request.Model = baseModel
+		request.Thinking = &dto.Thinking{
+			Type: "adaptive",
+		}
+		request.OutputConfig = json.RawMessage(fmt.Sprintf(`{"effort":"%s"}`, effortLevel))
+		request.TopP = 0
+		request.Temperature = common.GetPointer[float64](1.0)
+		info.UpstreamModelName = request.Model
+	} else if model_setting.GetClaudeSettings().ThinkingAdapterEnabled &&
 		strings.HasSuffix(request.Model, "-thinking") {
 		if request.Thinking == nil {
 			// 因为BudgetTokens 必须大于1024