diff --git a/src/chatgpt.ts b/src/chatgpt.ts
index 405ea86..d41705d 100644
--- a/src/chatgpt.ts
+++ b/src/chatgpt.ts
@@ -49,10 +49,24 @@ interface LogprobsContent {
   logprob: number;
 }
 
+interface PromptTokensDetails {
+  cached_tokens: number;
+  audio_tokens: number;
+}
+
+interface CompletionTokensDetails {
+  reasoning_tokens: number;
+  audio_tokens: number;
+  accepted_prediction_tokens: number;
+  rejected_prediction_tokens: number;
+}
+
 export interface Usage {
   prompt_tokens: number;
   completion_tokens: number;
   total_tokens: number;
+  prompt_tokens_details: PromptTokensDetails | null;
+  completion_tokens_details: CompletionTokensDetails | null;
   response_model_name: string | null;
 }
 
@@ -96,11 +110,7 @@ export interface FetchResponse {
   object: string;
   created: number;
   model: string;
-  usage: {
-    prompt_tokens: number | undefined;
-    completion_tokens: number | undefined;
-    total_tokens: number | undefined;
-  };
+  usage: Usage;
   choices: {
     message: Message | undefined;
     finish_reason: "stop" | "length";
diff --git a/src/pages/Chatbox.tsx b/src/pages/Chatbox.tsx
index 8d05d89..870aa8a 100644
--- a/src/pages/Chatbox.tsx
+++ b/src/pages/Chatbox.tsx
@@ -219,6 +219,8 @@ export default function ChatBOX() {
       completion_tokens: responseTokenCount,
       total_tokens: prompt_tokens + responseTokenCount,
       response_model_name: response_model_name,
+      prompt_tokens_details: null,
+      completion_tokens_details: null,
     };
 
     if (usage) {
@@ -226,6 +228,8 @@ export default function ChatBOX() {
       ret.completion_tokens = usage.completion_tokens ?? responseTokenCount;
       ret.total_tokens =
         usage.total_tokens ?? prompt_tokens + responseTokenCount;
+      ret.prompt_tokens_details = usage.prompt_tokens_details ?? null;
+      ret.completion_tokens_details = usage.completion_tokens_details ?? null;
     }
 
     return ret;
@@ -265,6 +269,8 @@ export default function ChatBOX() {
       completion_tokens: data.usage.completion_tokens ?? 0,
       total_tokens: data.usage.total_tokens ?? 0,
       response_model_name: data.model ?? null,
+      prompt_tokens_details: data.usage.prompt_tokens_details ?? null,
+      completion_tokens_details: data.usage.completion_tokens_details ?? null,
     };
 
     return ret;
diff --git a/src/types/models.ts b/src/types/models.ts
index e70aca9..33aac1f 100644
--- a/src/types/models.ts
+++ b/src/types/models.ts
@@ -3,112 +3,120 @@ interface Model {
   price: {
     prompt: number;
     completion: number;
+    cached_prompt?: number;
   };
 }
 
+const M = 1000 / 1000; // dollars per million tokens
+const K = 1000; // dollars per thousand tokens
+
 export const models: Record<string, Model> = {
   "gpt-4o": {
     maxToken: 128000,
-    price: { prompt: 0.005 / 1000, completion: 0.015 / 1000 },
+    price: { prompt: 2.5 / M, cached_prompt: 1.25 / M, completion: 10 / M },
   },
   "gpt-4o-2024-11-20": {
     maxToken: 128000,
-    price: { prompt: 0.0025 / 1000, completion: 0.01 / 1000 },
+    price: { prompt: 2.5 / M, cached_prompt: 1.25 / M, completion: 10 / M },
   },
   "gpt-4o-2024-08-06": {
     maxToken: 128000,
-    price: { prompt: 0.0025 / 1000, completion: 0.01 / 1000 },
+    price: { prompt: 2.5 / M, cached_prompt: 1.25 / M, completion: 10 / M },
   },
   "gpt-4o-2024-05-13": {
     maxToken: 128000,
-    price: { prompt: 0.005 / 1000, completion: 0.015 / 1000 },
+    price: { prompt: 5 / M, completion: 15 / M },
   },
   "gpt-4o-mini": {
     maxToken: 128000,
-    price: { prompt: 0.15 / 1000 / 1000, completion: 0.6 / 1000 / 1000 },
+    price: { prompt: 0.15 / M, cached_prompt: 0.075 / M, completion: 0.6 / M },
   },
   "gpt-4o-mini-2024-07-18": {
     maxToken: 128000,
-    price: { prompt: 0.15 / 1000 / 1000, completion: 0.6 / 1000 / 1000 },
+    price: { prompt: 0.15 / M, cached_prompt: 0.075 / M, completion: 0.6 / M },
+  },
+  o1: {
+    maxToken: 128000,
+    price: { prompt: 15 / M, cached_prompt: 7.5 / M, completion: 60 },
+  },
+  "o1-2024-12-17": {
+    maxToken: 128000,
+    price: { prompt: 15 / M, cached_prompt: 7.5 / M, completion: 60 },
   },
   "o1-preview": {
     maxToken: 128000,
-    price: { prompt: 15 / 1000 / 1000, completion: 60 / 1000 / 1000 },
+    price: { prompt: 15 / M, cached_prompt: 7.5 / M, completion: 60 },
   },
   "o1-preview-2024-09-12": {
     maxToken: 128000,
-    price: { prompt: 15 / 1000 / 1000, completion: 60 / 1000 / 1000 },
+    price: { prompt: 15 / M, cached_prompt: 7.5 / M, completion: 60 },
   },
   "o1-mini": {
     maxToken: 128000,
-    price: { prompt: 3 / 1000 / 1000, completion: 12 / 1000 / 1000 },
+    price: { prompt: 3 / M, cached_prompt: 1.5 / M, completion: 12 / M },
   },
   "o1-mini-2024-09-12": {
     maxToken: 128000,
-    price: { prompt: 3 / 1000 / 1000, completion: 12 / 1000 / 1000 },
+    price: { prompt: 3 / M, cached_prompt: 1.5 / M, completion: 12 / M },
   },
   "chatgpt-4o-latest": {
     maxToken: 128000,
-    price: { prompt: 0.005 / 1000, completion: 0.015 / 1000 },
+    price: { prompt: 5 / M, completion: 15 / M },
   },
   "gpt-4-turbo": {
     maxToken: 128000,
-    price: { prompt: 0.01 / 1000, completion: 0.03 / 1000 },
+    price: { prompt: 10 / M, completion: 30 / M },
   },
   "gpt-4-turbo-2024-04-09": {
     maxToken: 128000,
-    price: { prompt: 0.01 / 1000, completion: 0.03 / 1000 },
+    price: { prompt: 10 / M, completion: 30 / M },
   },
   "gpt-4": {
-    maxToken: 8192,
-    price: { prompt: 0.03 / 1000, completion: 0.06 / 1000 },
+    maxToken: 8000,
+    price: { prompt: 30 / M, completion: 60 / M },
   },
   "gpt-4-32k": {
-    maxToken: 8192,
-    price: { prompt: 0.06 / 1000, completion: 0.12 / 1000 },
+    maxToken: 32000,
+    price: { prompt: 60 / M, completion: 120 / M },
   },
   "gpt-4-0125-preview": {
     maxToken: 128000,
-    price: { prompt: 0.01 / 1000, completion: 0.03 / 1000 },
+    price: { prompt: 10 / M, completion: 30 / M },
   },
   "gpt-4-1106-preview": {
     maxToken: 128000,
-    price: { prompt: 0.01 / 1000, completion: 0.03 / 1000 },
+    price: { prompt: 10 / M, completion: 30 / M },
   },
   "gpt-4-vision-preview": {
     maxToken: 128000,
-    price: { prompt: 0.01 / 1000, completion: 0.03 / 1000 },
+    price: { prompt: 10 / M, completion: 30 / M },
   },
   "gpt-4-1106-vision-preview": {
     maxToken: 128000,
     price: { prompt: 0.01 / 1000, completion: 0.03 / 1000 },
   },
-  "gpt-3.5-turbo": {
-    maxToken: 4096,
-    price: { prompt: 0.0015 / 1000, completion: 0.002 / 1000 },
-  },
   "gpt-3.5-turbo-0125": {
-    maxToken: 16385,
-    price: { prompt: 0.0005 / 1000, completion: 0.0015 / 1000 },
+    maxToken: 16000,
+    price: { prompt: 0.5 / M, completion: 1.5 / M },
   },
   "gpt-3.5-turbo-instruct": {
-    maxToken: 16385,
-    price: { prompt: 0.5 / 1000 / 1000, completion: 2 / 1000 / 1000 },
+    maxToken: 16000,
+    price: { prompt: 1.5 / M, completion: 2 / M },
   },
   "gpt-3.5-turbo-1106": {
-    maxToken: 16385,
-    price: { prompt: 0.001 / 1000, completion: 0.002 / 1000 },
+    maxToken: 16000,
+    price: { prompt: 1 / M, completion: 2 / M },
   },
   "gpt-3.5-turbo-0613": {
-    maxToken: 16385,
-    price: { prompt: 1.5 / 1000 / 1000, completion: 2 / 1000 / 1000 },
+    maxToken: 16000,
+    price: { prompt: 1.5 / M, completion: 2 / M },
   },
   "gpt-3.5-turbo-16k-0613": {
-    maxToken: 16385,
-    price: { prompt: 0.003 / 1000, completion: 0.004 / 1000 },
+    maxToken: 16000,
+    price: { prompt: 3 / M, completion: 4 / M },
   },
   "gpt-3.5-turbo-0301": {
     maxToken: 16385,
-    price: { prompt: 1.5 / 1000 / 1000, completion: 2 / 1000 / 1000 },
+    price: { prompt: 1.5 / M, completion: 2 / M },
   },
 };