diff --git a/api/app/clients/OpenAIClient.js b/api/app/clients/OpenAIClient.js
index 4ea4bc8d35..93fbe3c5bb 100644
--- a/api/app/clients/OpenAIClient.js
+++ b/api/app/clients/OpenAIClient.js
@@ -65,7 +65,7 @@ class OpenAIClient extends BaseClient {
     /** @type {OpenAIUsageMetadata | undefined} */
     this.usage;
     /** @type {boolean|undefined} */
-    this.isO1Model;
+    this.isOmni;
     /** @type {SplitStreamHandler | undefined} */
     this.streamHandler;
   }
@@ -105,8 +105,8 @@ class OpenAIClient extends BaseClient {
       this.checkVisionRequest(this.options.attachments);
     }
 
-    const o1Pattern = /\bo1\b/i;
-    this.isO1Model = o1Pattern.test(this.modelOptions.model);
+    const omniPattern = /\b(o1|o3)\b/i;
+    this.isOmni = omniPattern.test(this.modelOptions.model);
 
     const { OPENROUTER_API_KEY, OPENAI_FORCE_PROMPT } = process.env ?? {};
     if (OPENROUTER_API_KEY && !this.azure) {
@@ -146,7 +146,7 @@ class OpenAIClient extends BaseClient {
     const { model } = this.modelOptions;
 
     this.isChatCompletion =
-      o1Pattern.test(model) || model.includes('gpt') || this.useOpenRouter || !!reverseProxy;
+      omniPattern.test(model) || model.includes('gpt') || this.useOpenRouter || !!reverseProxy;
     this.isChatGptModel = this.isChatCompletion;
     if (
       model.includes('text-davinci') ||
@@ -475,7 +475,7 @@ class OpenAIClient extends BaseClient {
       promptPrefix = this.augmentedPrompt + promptPrefix;
     }
 
-    if (promptPrefix && this.isO1Model !== true) {
+    if (promptPrefix && this.isOmni !== true) {
       promptPrefix = `Instructions:\n${promptPrefix.trim()}`;
       instructions = {
         role: 'system',
@@ -503,7 +503,7 @@ class OpenAIClient extends BaseClient {
     };
 
     /** EXPERIMENTAL */
-    if (promptPrefix && this.isO1Model === true) {
+    if (promptPrefix && this.isOmni === true) {
       const lastUserMessageIndex = payload.findLastIndex((message) => message.role === 'user');
       if (lastUserMessageIndex !== -1) {
         payload[
@@ -1200,7 +1200,7 @@ ${convo}
         opts.defaultHeaders = { ...opts.defaultHeaders, 'api-key': this.apiKey };
       }
 
-      if (this.isO1Model === true && modelOptions.max_tokens != null) {
+      if (this.isOmni === true && modelOptions.max_tokens != null) {
         modelOptions.max_completion_tokens = modelOptions.max_tokens;
         delete modelOptions.max_tokens;
       }
@@ -1280,13 +1280,13 @@ ${convo}
       let streamResolve;
 
       if (
-        this.isO1Model === true &&
+        this.isOmni === true &&
         (this.azure || /o1(?!-(?:mini|preview)).*$/.test(modelOptions.model)) &&
         modelOptions.stream
       ) {
         delete modelOptions.stream;
         delete modelOptions.stop;
-      } else if (!this.isO1Model && modelOptions.reasoning_effort != null) {
+      } else if (!this.isOmni && modelOptions.reasoning_effort != null) {
         delete modelOptions.reasoning_effort;
       }
 
@@ -1366,7 +1366,7 @@ ${convo}
         for await (const chunk of stream) {
           // Add finish_reason: null if missing in any choice
           if (chunk.choices) {
-            chunk.choices.forEach(choice => {
+            chunk.choices.forEach((choice) => {
               if (!('finish_reason' in choice)) {
                 choice.finish_reason = null;
               }
diff --git a/api/models/tx.js b/api/models/tx.js
index eb467f875e..776fac123c 100644
--- a/api/models/tx.js
+++ b/api/models/tx.js
@@ -75,8 +75,9 @@ const tokenValues = Object.assign(
     '4k': { prompt: 1.5, completion: 2 },
     '16k': { prompt: 3, completion: 4 },
     'gpt-3.5-turbo-1106': { prompt: 1, completion: 2 },
+    'o3-mini': { prompt: 1.1, completion: 4.4 },
+    'o1-mini': { prompt: 1.1, completion: 4.4 },
     'o1-preview': { prompt: 15, completion: 60 },
-    'o1-mini': { prompt: 3, completion: 12 },
     o1: { prompt: 15, completion: 60 },
     'gpt-4o-mini': { prompt: 0.15, completion: 0.6 },
     'gpt-4o': { prompt: 2.5, completion: 10 },
diff --git a/api/utils/tokens.js b/api/utils/tokens.js
index 72151fcb19..b1c3a1e5a8 100644
--- a/api/utils/tokens.js
+++ b/api/utils/tokens.js
@@ -2,6 +2,7 @@ const z = require('zod');
 const { EModelEndpoint } = require('librechat-data-provider');
 
 const openAIModels = {
+  'o3-mini': 195000, // -5000 from max
   o1: 195000, // -5000 from max
   'o1-mini': 127500, // -500 from max
   'o1-preview': 127500, // -500 from max
diff --git a/client/src/components/Endpoints/MessageEndpointIcon.tsx b/client/src/components/Endpoints/MessageEndpointIcon.tsx
index a5155a3569..6652aa0007 100644
--- a/client/src/components/Endpoints/MessageEndpointIcon.tsx
+++ b/client/src/components/Endpoints/MessageEndpointIcon.tsx
@@ -25,7 +25,7 @@ type EndpointIcon = {
 
 function getOpenAIColor(_model: string | null | undefined) {
   const model = _model?.toLowerCase() ?? '';
-  if (model && /\bo1\b/i.test(model)) {
+  if (model && /\b(o1|o3)\b/i.test(model)) {
     return '#000000';
   }
   return model.includes('gpt-4') ? '#AB68FF' : '#19C37D';
diff --git a/packages/data-provider/src/config.ts b/packages/data-provider/src/config.ts
index 525c16a659..738fafcccd 100644
--- a/packages/data-provider/src/config.ts
+++ b/packages/data-provider/src/config.ts
@@ -778,9 +778,9 @@ export const supportsBalanceCheck = {
 };
 
 export const visionModels = [
-  'o1',
   'gpt-4o',
   'gpt-4o-mini',
+  'o1',
   'gpt-4-turbo',
   'gpt-4-vision',
   'llava',
diff --git a/packages/data-provider/src/parsers.ts b/packages/data-provider/src/parsers.ts
index 5ce44cfc75..8ec18d5617 100644
--- a/packages/data-provider/src/parsers.ts
+++ b/packages/data-provider/src/parsers.ts
@@ -240,6 +240,8 @@ export const getResponseSender = (endpointOption: t.TEndpointOption): string =>
       return modelLabel;
     } else if (model && /\bo1\b/i.test(model)) {
       return 'o1';
+    } else if (model && /\bo3\b/i.test(model)) {
+      return 'o3';
     } else if (model && model.includes('gpt-3')) {
       return 'GPT-3.5';
     } else if (model && model.includes('gpt-4o')) {