diff --git a/frontend/src/types/index.ts b/frontend/src/types/index.ts
index ae86a3be2c..018d054f5d 100644
--- a/frontend/src/types/index.ts
+++ b/frontend/src/types/index.ts
@@ -612,6 +612,7 @@ export interface Group {
 
 export interface AdminGroup extends Group {
   force_openai_fast: boolean
+  free_openai_fast: boolean
   model_pricing: import('@/api/admin/channels').ChannelModelPricing[]
   // 分组利润控制（openai/anthropic/gemini/grok/antigravity 分组可启用；margin/buffer 为小数存储）。
   // 仅管理员可见：与 rate_multiplier 相乘即可反推上游成本上限，不得下放到 Group。
@@ -777,6 +778,7 @@ export interface CreateGroupRequest {
   monthly_limit_usd?: number | null
   long_context_pricing_enabled?: boolean
   force_openai_fast?: boolean
+  free_openai_fast?: boolean
   model_pricing?: import('@/api/admin/channels').ChannelModelPricing[]
   allow_image_generation?: boolean
   allow_batch_image_generation?: boolean
@@ -840,6 +842,7 @@ export interface UpdateGroupRequest {
   monthly_limit_usd?: number | null
   long_context_pricing_enabled?: boolean
   force_openai_fast?: boolean
+  free_openai_fast?: boolean
   model_pricing?: import('@/api/admin/channels').ChannelModelPricing[]
   allow_image_generation?: boolean
   allow_batch_image_generation?: boolean