diff --git a/relay/adaptor/openai/adaptor.go b/relay/adaptor/openai/adaptor.go
index 6946e402..72dabb49 100644
--- a/relay/adaptor/openai/adaptor.go
+++ b/relay/adaptor/openai/adaptor.go
@@ -8,6 +8,7 @@ import (
 	"strings"
 
 	"github.com/gin-gonic/gin"
+	"github.com/songquanpeng/one-api/common/config"
 	"github.com/songquanpeng/one-api/relay/adaptor"
 	"github.com/songquanpeng/one-api/relay/adaptor/doubao"
 	"github.com/songquanpeng/one-api/relay/adaptor/minimax"
@@ -75,13 +76,29 @@ func (a *Adaptor) ConvertRequest(c *gin.Context, relayMode int, request *model.G
 	if request == nil {
 		return nil, errors.New("request is nil")
 	}
-	if request.Stream {
+
+	if config.EnforceIncludeUsage && request.Stream {
 		// always return usage in stream mode
 		if request.StreamOptions == nil {
 			request.StreamOptions = &model.StreamOptions{}
 		}
 		request.StreamOptions.IncludeUsage = true
 	}
+
+	// o1 do not support system prompt and max_tokens
+	if strings.HasPrefix(request.Model, "o1-mini") || strings.HasPrefix(request.Model, "o1-preview") {
+		request.MaxTokens = 0
+		request.Messages = func(raw []model.Message) (filtered []model.Message) {
+			for i := range raw {
+				if raw[i].Role != "system" {
+					filtered = append(filtered, raw[i])
+				}
+			}
+
+			return
+		}(request.Messages)
+	}
+
 	return request, nil
 }
 
diff --git a/relay/adaptor/openai/constants.go b/relay/adaptor/openai/constants.go
index aacdba1a..cbdc92f1 100644
--- a/relay/adaptor/openai/constants.go
+++ b/relay/adaptor/openai/constants.go
@@ -7,9 +7,7 @@ var ModelList = []string{
 	"gpt-4", "gpt-4-0314", "gpt-4-0613", "gpt-4-1106-preview", "gpt-4-0125-preview",
 	"gpt-4-32k", "gpt-4-32k-0314", "gpt-4-32k-0613",
 	"gpt-4-turbo-preview", "gpt-4-turbo", "gpt-4-turbo-2024-04-09",
-	"gpt-4o", "gpt-4o-2024-05-13",
-	"gpt-4o-2024-08-06",
-	"chatgpt-4o-latest",
+	"gpt-4o", "gpt-4o-2024-05-13", "gpt-4o-2024-08-06", "gpt-4o-2024-11-20", "chatgpt-4o-latest",
 	"gpt-4o-mini", "gpt-4o-mini-2024-07-18",
 	"gpt-4-vision-preview",
 	"text-embedding-ada-002", "text-embedding-3-small", "text-embedding-3-large",
@@ -20,4 +18,6 @@ var ModelList = []string{
 	"dall-e-2", "dall-e-3",
 	"whisper-1",
 	"tts-1", "tts-1-1106", "tts-1-hd", "tts-1-hd-1106",
+	"o1-preview", "o1-preview-2024-09-12",
+	"o1-mini", "o1-mini-2024-09-12",
 }
diff --git a/relay/billing/ratio/model.go b/relay/billing/ratio/model.go
index 1b58ec09..c107b409 100644
--- a/relay/billing/ratio/model.go
+++ b/relay/billing/ratio/model.go
@@ -37,6 +37,7 @@ var ModelRatio = map[string]float64{
 	"chatgpt-4o-latest":       2.5,   // $0.005 / 1K tokens
 	"gpt-4o-2024-05-13":       2.5,   // $0.005 / 1K tokens
 	"gpt-4o-2024-08-06":       1.25,  // $0.0025 / 1K tokens
+	"gpt-4o-2024-11-20":       1.25,  // $0.0025 / 1K tokens
 	"gpt-4o-mini":             0.075, // $0.00015 / 1K tokens
 	"gpt-4o-mini-2024-07-18":  0.075, // $0.00015 / 1K tokens
 	"gpt-4-vision-preview":    5,     // $0.01 / 1K tokens
@@ -48,8 +49,12 @@ var ModelRatio = map[string]float64{
 	"gpt-3.5-turbo-instruct":  0.75, // $0.0015 / 1K tokens
 	"gpt-3.5-turbo-1106":      0.5,  // $0.001 / 1K tokens
 	"gpt-3.5-turbo-0125":      0.25, // $0.0005 / 1K tokens
-	"davinci-002":             1,    // $0.002 / 1K tokens
-	"babbage-002":             0.2,  // $0.0004 / 1K tokens
+	"o1-preview":              7.5,  // $15.00 / 1M input tokens
+	"o1-preview-2024-09-12":   7.5,
+	"o1-mini":                 1.5, // $3.00 / 1M input tokens
+	"o1-mini-2024-09-12":      1.5,
+	"davinci-002":             1,   // $0.002 / 1K tokens
+	"babbage-002":             0.2, // $0.0004 / 1K tokens
 	"text-ada-001":            0.2,
 	"text-babbage-001":        0.25,
 	"text-curie-001":          1,
@@ -344,6 +349,12 @@ func GetCompletionRatio(name string, channelType int) float64 {
 		}
 		return 2
 	}
+	if strings.HasPrefix(name, "o1-preview") {
+		return 4
+	}
+	if strings.HasPrefix(name, "o1-mini") {
+		return 4
+	}
 	if name == "chatgpt-4o-latest" {
 		return 3
 	}
diff --git a/relay/controller/text.go b/relay/controller/text.go
index 9a47c58b..fdeede14 100644
--- a/relay/controller/text.go
+++ b/relay/controller/text.go
@@ -4,11 +4,11 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"github.com/songquanpeng/one-api/common/config"
 	"io"
 	"net/http"
 
 	"github.com/gin-gonic/gin"
+	"github.com/songquanpeng/one-api/common/config"
 	"github.com/songquanpeng/one-api/common/logger"
 	"github.com/songquanpeng/one-api/relay"
 	"github.com/songquanpeng/one-api/relay/adaptor"
@@ -19,6 +19,7 @@ import (
 	"github.com/songquanpeng/one-api/relay/channeltype"
 	"github.com/songquanpeng/one-api/relay/meta"
 	"github.com/songquanpeng/one-api/relay/model"
+	relaymodel "github.com/songquanpeng/one-api/relay/model"
 )
 
 func RelayTextHelper(c *gin.Context) *model.ErrorWithStatusCode {
@@ -86,9 +87,12 @@ func RelayTextHelper(c *gin.Context) *model.ErrorWithStatusCode {
 	return nil
 }
 
-func getRequestBody(c *gin.Context, meta *meta.Meta, textRequest *model.GeneralOpenAIRequest, adaptor adaptor.Adaptor) (io.Reader, error) {
-	if !config.EnforceIncludeUsage && meta.APIType == apitype.OpenAI && meta.OriginModelName == meta.ActualModelName && meta.ChannelType != channeltype.Baichuan {
-		// no need to convert request for openai
+func getRequestBody(c *gin.Context, meta *meta.Meta, textRequest *relaymodel.GeneralOpenAIRequest, adaptor adaptor.Adaptor) (io.Reader, error) {
+	if !config.EnforceIncludeUsage &&
+		meta.APIType == apitype.OpenAI &&
+		meta.OriginModelName == meta.ActualModelName &&
+		meta.ChannelType != channeltype.OpenAI && // openai also need to convert request
+		meta.ChannelType != channeltype.Baichuan {
 		return c.Request.Body, nil
 	}