feat(channel): support Codex upstream model discovery (#6184)

* fix(i18n): clarify Go regex and field passthrough copy

* feat(channel): support Codex upstream model discovery

* Revert "fix(i18n): clarify Go regex and field passthrough copy"

This reverts commit d63d7975db.

controller/channel.go

@@ -15,7 +15,6 @@ import (
 	"github.com/QuantumNous/new-api/i18n"
 	"github.com/QuantumNous/new-api/model"
 	relaychannel "github.com/QuantumNous/new-api/relay/channel"
-	"github.com/QuantumNous/new-api/relay/channel/gemini"
 	"github.com/QuantumNous/new-api/relay/channel/ollama"
 	"github.com/QuantumNous/new-api/service"
 	"github.com/QuantumNous/new-api/service/authz"
@@ -1176,102 +1175,27 @@ func FetchModels(c *gin.Context) {
 		baseURL = constant.ChannelBaseURLs[req.Type]
 	}
 
-	// remove line breaks and extra spaces.
 	key := strings.TrimSpace(req.Key)
-	key = strings.Split(key, "\n")[0]
+	if req.Type != constant.ChannelTypeCodex {
-
+		key = strings.Split(key, "\n")[0]
-	if req.Type == constant.ChannelTypeOllama {
-		models, err := ollama.FetchOllamaModels(baseURL, key)
-		if err != nil {
-			c.JSON(http.StatusOK, gin.H{
-				"success": false,
-				"message": fmt.Sprintf("获取Ollama模型失败: %s", err.Error()),
-			})
-			return
-		}
-
-		names := make([]string, 0, len(models))
-		for _, modelInfo := range models {
-			names = append(names, modelInfo.Name)
-		}
-
-		c.JSON(http.StatusOK, gin.H{
-			"success": true,
-			"data":    names,
-		})
-		return
 	}
 
-	if req.Type == constant.ChannelTypeGemini {
+	channel := &model.Channel{
-		models, err := gemini.FetchGeminiModels(baseURL, key, "")
+		Type:    req.Type,
-		if err != nil {
+		Key:     key,
-			c.JSON(http.StatusOK, gin.H{
+		BaseURL: &baseURL,
-				"success": false,
-				"message": fmt.Sprintf("获取Gemini模型失败: %s", err.Error()),
-			})
-			return
-		}
-
-		c.JSON(http.StatusOK, gin.H{
-			"success": true,
-			"data":    models,
-		})
-		return
 	}
-
+	models, err := fetchChannelUpstreamModelIDs(channel)
-	client := &http.Client{}
-	url := fmt.Sprintf("%s/v1/models", baseURL)
-
-	request, err := http.NewRequest("GET", url, nil)
 	if err != nil {
-		c.JSON(http.StatusInternalServerError, gin.H{
+		c.JSON(http.StatusOK, gin.H{
 			"success": false,
-			"message": err.Error(),
+			"message": fmt.Sprintf("获取模型列表失败: %s", err.Error()),
 		})
 		return
 	}
-
-	request.Header.Set("Authorization", "Bearer "+key)
-
-	response, err := client.Do(request)
-	if err != nil {
-		c.JSON(http.StatusInternalServerError, gin.H{
-			"success": false,
-			"message": err.Error(),
-		})
-		return
-	}
-	//check status code
-	if response.StatusCode != http.StatusOK {
-		c.JSON(http.StatusInternalServerError, gin.H{
-			"success": false,
-			"message": "Failed to fetch models",
-		})
-		return
-	}
-	defer response.Body.Close()
-
-	var result struct {
-		Data []struct {
-			ID string `json:"id"`
-		} `json:"data"`
-	}
-
-	if err := json.NewDecoder(response.Body).Decode(&result); err != nil {
-		c.JSON(http.StatusInternalServerError, gin.H{
-			"success": false,
-			"message": err.Error(),
-		})
-		return
-	}
-
-	var models []string
-	for _, model := range result.Data {
-		models = append(models, model.ID)
-	}
-
 	c.JSON(http.StatusOK, gin.H{
 		"success": true,
+		"message": "",
 		"data":    models,
 	})
 }

controller/channel_upstream_update.go

@@ -285,6 +285,10 @@ func fetchChannelUpstreamModelIDs(channel *model.Channel) ([]string, error) {
 		return normalizeModelNames(models), nil
 	}
 
+	if channel.Type == constant.ChannelTypeCodex {
+		return service.FetchCodexChannelModels(channel)
+	}
+
 	var url string
 	switch channel.Type {
 	case constant.ChannelTypeAli:

controller/channel_upstream_update_test.go

@@ -3,14 +3,51 @@ package controller
 import (
 	"net/http"
 	"net/http/httptest"
+	"strings"
 	"testing"
 
+	"github.com/QuantumNous/new-api/common"
+	"github.com/QuantumNous/new-api/constant"
 	"github.com/QuantumNous/new-api/dto"
 	"github.com/QuantumNous/new-api/model"
 	"github.com/gin-gonic/gin"
 	"github.com/stretchr/testify/require"
 )
 
+func TestFetchModelsUsesSharedChannelFetchBehavior(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/v1/models" {
+			t.Errorf("unexpected path: %s", r.URL.Path)
+		}
+		if r.Header.Get("x-api-key") != "first-key" {
+			t.Errorf("unexpected x-api-key header: %s", r.Header.Get("x-api-key"))
+		}
+		if r.Header.Get("Authorization") != "" {
+			t.Errorf("unexpected Authorization header: %s", r.Header.Get("Authorization"))
+		}
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"data":[{"id":" claude-sonnet "},{"id":"claude-sonnet"}]}`))
+	}))
+	t.Cleanup(server.Close)
+
+	body, err := common.Marshal(map[string]any{
+		"base_url": server.URL,
+		"type":     constant.ChannelTypeAnthropic,
+		"key":      "first-key\nsecond-key",
+	})
+	require.NoError(t, err)
+
+	recorder := httptest.NewRecorder()
+	ctx, _ := gin.CreateTestContext(recorder)
+	ctx.Request = httptest.NewRequest(http.MethodPost, "/api/channel/fetch_models", strings.NewReader(string(body)))
+	ctx.Request.Header.Set("Content-Type", "application/json")
+
+	FetchModels(ctx)
+
+	require.Equal(t, http.StatusOK, recorder.Code)
+	require.JSONEq(t, `{"success":true,"message":"","data":["claude-sonnet"]}`, recorder.Body.String())
+}
+
 func TestNormalizeModelNames(t *testing.T) {
 	result := normalizeModelNames([]string{
 		" gpt-4o ",

relay/channel/codex/constants.go

@@ -1,26 +1,27 @@
 package codex
 
 import (
+	"slices"
+
 	"github.com/QuantumNous/new-api/setting/ratio_setting"
-	"github.com/samber/lo"
 )
 
 var baseModelList = []string{
-	"gpt-5", "gpt-5-codex", "gpt-5-codex-mini",
+	"gpt-5.6-sol",
-	"gpt-5.1", "gpt-5.1-codex", "gpt-5.1-codex-max", "gpt-5.1-codex-mini",
+	"gpt-5.6-terra",
-	"gpt-5.2", "gpt-5.2-codex", "gpt-5.3-codex", "gpt-5.3-codex-spark",
+	"gpt-5.6-luna",
-	"gpt-5.4", "gpt-5.6-sol", "gpt-5.6-terra", "gpt-5.6-luna",
+	"gpt-5.5",
+	"gpt-5.4",
+	"gpt-5.4-mini",
+	"gpt-5.3-codex-spark",
+	"codex-auto-review",
 }
 
-var ModelList = withCompactModelSuffix(baseModelList)
+var ModelList = slices.DeleteFunc(
+	ratio_setting.WithCompactModelVariants(baseModelList),
+	func(modelName string) bool {
+		return modelName == ratio_setting.WithCompactModelSuffix("codex-auto-review")
+	},
+)
 
 const ChannelName = "codex"
-
-func withCompactModelSuffix(models []string) []string {
-	out := make([]string, 0, len(models)*2)
-	out = append(out, models...)
-	out = append(out, lo.Map(models, func(model string, _ int) string {
-		return ratio_setting.WithCompactModelSuffix(model)
-	})...)
-	return lo.Uniq(out)
-}

service/codex_channel_models.go

@@ -0,0 +1,90 @@
+package service
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/QuantumNous/new-api/constant"
+	"github.com/QuantumNous/new-api/model"
+	"github.com/QuantumNous/new-api/setting/ratio_setting"
+)
+
+func FetchCodexChannelModels(channel *model.Channel) ([]string, error) {
+	if channel == nil || channel.Type != constant.ChannelTypeCodex {
+		return nil, fmt.Errorf("channel type is not Codex")
+	}
+	if channel.ChannelInfo.IsMultiKey {
+		return nil, fmt.Errorf("codex channel does not support multi-key model discovery")
+	}
+
+	client, err := NewProxyHttpClient(channel.GetSetting().Proxy)
+	if err != nil {
+		return nil, err
+	}
+	ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
+	defer cancel()
+
+	clientVersion, err := GetLatestCodexClientVersion(ctx, client)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get Codex client version: %w", err)
+	}
+
+	baseURL := channel.GetBaseURL()
+	if baseURL == "" {
+		baseURL = constant.ChannelBaseURLs[constant.ChannelTypeCodex]
+	}
+	return fetchCodexChannelModels(ctx, channel, baseURL, client, clientVersion)
+}
+
+func fetchCodexChannelModels(
+	ctx context.Context,
+	channel *model.Channel,
+	baseURL string,
+	client *http.Client,
+	clientVersion string,
+) ([]string, error) {
+	oauthKey, err := parseCodexOAuthKey(strings.TrimSpace(channel.Key))
+	if err != nil {
+		return nil, err
+	}
+
+	statusCode, models, err := FetchCodexModels(ctx, client, baseURL, oauthKey, clientVersion)
+	if err != nil {
+		return nil, err
+	}
+	if statusCode == http.StatusUnauthorized {
+		if channel.Id <= 0 {
+			return nil, fmt.Errorf("codex channel credential expired; save the channel before retrying model fetch")
+		}
+		refreshedKey, _, refreshErr := RefreshCodexChannelCredential(
+			ctx,
+			channel.Id,
+			CodexCredentialRefreshOptions{ResetCaches: true},
+		)
+		if refreshErr != nil {
+			return nil, fmt.Errorf("failed to refresh Codex channel credential: %w", refreshErr)
+		}
+		statusCode, models, err = FetchCodexModels(ctx, client, baseURL, &CodexOAuthKey{
+			AccessToken: refreshedKey.AccessToken,
+			AccountID:   refreshedKey.AccountID,
+		}, clientVersion)
+		if err != nil {
+			return nil, err
+		}
+	}
+	if statusCode < http.StatusOK || statusCode >= http.StatusMultipleChoices {
+		return nil, fmt.Errorf("upstream status: %d", statusCode)
+	}
+	modelVariants := make([]string, 0, len(models)*2)
+	modelVariants = append(modelVariants, models...)
+	for _, modelName := range models {
+		if modelName == "codex-auto-review" {
+			continue
+		}
+		modelVariants = append(modelVariants, ratio_setting.WithCompactModelSuffix(modelName))
+	}
+	return modelVariants, nil
+}

service/codex_models.go

@@ -0,0 +1,180 @@
+package service
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/QuantumNous/new-api/common"
+)
+
+const (
+	codexLatestReleaseURL      = "https://api.github.com/repos/openai/codex/releases/latest"
+	codexClientVersionCacheTTL = time.Hour
+)
+
+type codexClientVersionCache struct {
+	sync.Mutex
+	version   string
+	expiresAt time.Time
+}
+
+var latestCodexClientVersion codexClientVersionCache
+
+func GetLatestCodexClientVersion(ctx context.Context, client *http.Client) (string, error) {
+	return latestCodexClientVersion.get(ctx, client, codexLatestReleaseURL, time.Now())
+}
+
+func (cache *codexClientVersionCache) get(ctx context.Context, client *http.Client, releaseURL string, now time.Time) (string, error) {
+	cache.Lock()
+	defer cache.Unlock()
+
+	if cache.version != "" && now.Before(cache.expiresAt) {
+		return cache.version, nil
+	}
+
+	version, err := fetchLatestCodexClientVersion(ctx, client, releaseURL)
+	if err != nil {
+		if cache.version != "" {
+			cache.expiresAt = now.Add(codexClientVersionCacheTTL)
+			return cache.version, nil
+		}
+		return "", err
+	}
+
+	cache.version = version
+	cache.expiresAt = now.Add(codexClientVersionCacheTTL)
+	return version, nil
+}
+
+func fetchLatestCodexClientVersion(ctx context.Context, client *http.Client, releaseURL string) (string, error) {
+	if client == nil {
+		return "", fmt.Errorf("nil http client")
+	}
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, releaseURL, nil)
+	if err != nil {
+		return "", err
+	}
+	req.Header.Set("Accept", "application/vnd.github+json")
+	req.Header.Set("User-Agent", "new-api")
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode < http.StatusOK || resp.StatusCode >= http.StatusMultipleChoices {
+		return "", fmt.Errorf("codex release lookup failed: status=%d", resp.StatusCode)
+	}
+
+	var release struct {
+		Name       string `json:"name"`
+		Draft      bool   `json:"draft"`
+		Prerelease bool   `json:"prerelease"`
+	}
+	if err := common.DecodeJson(resp.Body, &release); err != nil {
+		return "", err
+	}
+	if release.Draft || release.Prerelease {
+		return "", fmt.Errorf("latest codex release is not stable")
+	}
+	version := strings.TrimSpace(release.Name)
+	if version == "" {
+		return "", fmt.Errorf("latest codex release has no version name")
+	}
+	return version, nil
+}
+
+func FetchCodexModels(
+	ctx context.Context,
+	client *http.Client,
+	baseURL string,
+	oauthKey *CodexOAuthKey,
+	clientVersion string,
+) (statusCode int, models []string, err error) {
+	if client == nil {
+		return 0, nil, fmt.Errorf("nil http client")
+	}
+	if oauthKey == nil {
+		return 0, nil, fmt.Errorf("nil oauth key")
+	}
+
+	baseURL = strings.TrimRight(strings.TrimSpace(baseURL), "/")
+	accessToken := strings.TrimSpace(oauthKey.AccessToken)
+	accountID := strings.TrimSpace(oauthKey.AccountID)
+	clientVersion = strings.TrimSpace(clientVersion)
+	if baseURL == "" {
+		return 0, nil, fmt.Errorf("empty baseURL")
+	}
+	if accessToken == "" {
+		return 0, nil, fmt.Errorf("codex channel: access_token is required")
+	}
+	if accountID == "" {
+		return 0, nil, fmt.Errorf("codex channel: account_id is required")
+	}
+	if clientVersion == "" {
+		return 0, nil, fmt.Errorf("codex channel: client_version is required")
+	}
+
+	modelsURL, err := url.Parse(baseURL + "/backend-api/codex/models")
+	if err != nil {
+		return 0, nil, err
+	}
+	query := modelsURL.Query()
+	query.Set("client_version", clientVersion)
+	modelsURL.RawQuery = query.Encode()
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, modelsURL.String(), nil)
+	if err != nil {
+		return 0, nil, err
+	}
+	req.Header.Set("Authorization", "Bearer "+accessToken)
+	req.Header.Set("ChatGPT-Account-Id", accountID)
+	req.Header.Set("User-Agent", "codex-cli/"+clientVersion)
+	req.Header.Set("Accept", "application/json")
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return 0, nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return resp.StatusCode, nil, err
+	}
+	if resp.StatusCode < http.StatusOK || resp.StatusCode >= http.StatusMultipleChoices {
+		return resp.StatusCode, nil, nil
+	}
+
+	var result struct {
+		Models []struct {
+			Slug string `json:"slug"`
+		} `json:"models"`
+	}
+	if err := common.Unmarshal(body, &result); err != nil {
+		return resp.StatusCode, nil, err
+	}
+
+	seen := make(map[string]struct{}, len(result.Models))
+	models = make([]string, 0, len(result.Models))
+	for _, item := range result.Models {
+		slug := strings.TrimSpace(item.Slug)
+		if slug == "" {
+			continue
+		}
+		if _, ok := seen[slug]; ok {
+			continue
+		}
+		seen[slug] = struct{}{}
+		models = append(models, slug)
+	}
+	return resp.StatusCode, models, nil
+}

setting/ratio_setting/compact_suffix.go

@@ -11,3 +11,24 @@ func WithCompactModelSuffix(modelName string) string {
 	}
 	return modelName + CompactModelSuffix
 }
+
+func WithCompactModelVariants(models []string) []string {
+	variants := make([]string, 0, len(models)*2)
+	seen := make(map[string]struct{}, len(models)*2)
+	for _, model := range models {
+		if _, ok := seen[model]; ok {
+			continue
+		}
+		seen[model] = struct{}{}
+		variants = append(variants, model)
+	}
+	for _, model := range models {
+		compactModel := WithCompactModelSuffix(model)
+		if _, ok := seen[compactModel]; ok {
+			continue
+		}
+		seen[compactModel] = struct{}{}
+		variants = append(variants, compactModel)
+	}
+	return variants
+}

web/default/src/features/channels/constants.ts

@@ -377,7 +377,7 @@ export const FIELD_DESCRIPTIONS = {
 // ============================================================================
 
 export const MODEL_FETCHABLE_TYPES = new Set([
-  1, 4, 14, 17, 20, 23, 24, 25, 26, 27, 31, 34, 35, 40, 42, 43, 47, 48,
+  1, 4, 14, 17, 20, 23, 24, 25, 26, 27, 31, 34, 35, 40, 42, 43, 47, 48, 57,
 ])
 
 export const TYPE_TO_KEY_PROMPT: Record<number, string> = {