diff --git a/.changeset/khaki-ears-develop.md b/.changeset/khaki-ears-develop.md
new file mode 100644
index 0000000000000000000000000000000000000000..9c9c10e65aeba1f950abc6a5b7d355205013210d
--- /dev/null
+++ b/.changeset/khaki-ears-develop.md
@@ -0,0 +1,5 @@
+---
+"llamaindex": patch
+---
+
+add gpt4o-mode, invalidate cache and skip diagonal text to LlamaParseReader
diff --git a/packages/core/src/readers/LlamaParseReader.ts b/packages/core/src/readers/LlamaParseReader.ts
index 2996a589e42f528f76063ecaa1043dc3ae3a759c..5bc4934b1e86305dcd2ee9a5c744f2cee5d63f7b 100644
--- a/packages/core/src/readers/LlamaParseReader.ts
+++ b/packages/core/src/readers/LlamaParseReader.ts
@@ -5,45 +5,100 @@ import type { FileReader, Language, ResultType } from "./type.js";
 
 const SupportedFiles: { [key: string]: string } = {
   ".pdf": "application/pdf",
+  // Documents and Presentations
+  ".602": "application/x-t602",
+  ".abw": "application/x-abiword",
+  ".cgm": "image/cgm",
+  ".cwk": "application/x-cwk",
   ".doc": "application/msword",
   ".docx":
     "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
   ".docm": "application/vnd.ms-word.document.macroEnabled.12",
   ".dot": "application/msword",
+  ".dotm": "application/vnd.ms-word.template.macroEnabled.12",
   ".dotx":
     "application/vnd.openxmlformats-officedocument.wordprocessingml.template",
-  ".dotm": "application/vnd.ms-word.template.macroEnabled.12",
-  ".rtf": "application/rtf",
-  ".wps": "application/vnd.ms-works",
-  ".wpd": "application/wordperfect",
-  ".sxw": "application/vnd.sun.xml.writer",
-  ".stw": "application/vnd.sun.xml.writer.template",
-  ".sxg": "application/vnd.sun.xml.writer.global",
-  ".pages": "application/x-iwork-pages-sffpages",
+  ".hwp": "application/x-hwp",
+  ".key": "application/x-iwork-keynote-sffkey",
+  ".lwp": "application/vnd.lotus-wordpro",
   ".mw": "application/macwriteii",
   ".mcw": "application/macwriteii",
-  ".uot": "application/x-uo",
-  ".uof": "application/vnd.uoml+xml",
-  ".uos": "application/vnd.sun.xml.calc",
-  ".uop": "application/vnd.openofficeorg.presentation",
+  ".pages": "application/x-iwork-pages-sffpages",
+  ".pbd": "application/x-pagemaker",
   ".ppt": "application/vnd.ms-powerpoint",
+  ".pptm": "application/vnd.ms-powerpoint.presentation.macroEnabled.12",
   ".pptx":
     "application/vnd.openxmlformats-officedocument.presentationml.presentation",
   ".pot": "application/vnd.ms-powerpoint",
-  ".pptm": "application/vnd.ms-powerpoint.presentation.macroEnabled.12",
+  ".potm": "application/vnd.ms-powerpoint.template.macroEnabled.12",
   ".potx":
     "application/vnd.openxmlformats-officedocument.presentationml.template",
-  ".potm": "application/vnd.ms-powerpoint.template.macroEnabled.12",
-  ".key": "application/x-iwork-keynote-sffkey",
-  ".odp": "application/vnd.oasis.opendocument.presentation",
-  ".odg": "application/vnd.oasis.opendocument.graphics",
-  ".otp": "application/vnd.oasis.opendocument.presentation-template",
-  ".fopd": "application/vnd.oasis.opendocument.presentation",
-  ".sxi": "application/vnd.sun.xml.impress",
+  ".rtf": "application/rtf",
+  ".sda": "application/vnd.stardivision.draw",
+  ".sdd": "application/vnd.stardivision.impress",
+  ".sdp": "application/sdp",
+  ".sdw": "application/vnd.stardivision.writer",
+  ".sgl": "application/vnd.stardivision.writer",
   ".sti": "application/vnd.sun.xml.impress.template",
+  ".sxi": "application/vnd.sun.xml.impress",
+  ".sxw": "application/vnd.sun.xml.writer",
+  ".stw": "application/vnd.sun.xml.writer.template",
+  ".sxg": "application/vnd.sun.xml.writer.global",
+  ".txt": "text/plain",
+  ".uof": "application/vnd.uoml+xml",
+  ".uop": "application/vnd.openofficeorg.presentation",
+  ".uot": "application/x-uo",
+  ".vor": "application/vnd.stardivision.writer",
+  ".wpd": "application/wordperfect",
+  ".wps": "application/vnd.ms-works",
+  ".xml": "application/xml",
+  ".zabw": "application/x-abiword",
+  // Images
   ".epub": "application/epub+zip",
-  ".html": "text/html",
+  ".jpg": "image/jpeg",
+  ".jpeg": "image/jpeg",
+  ".png": "image/png",
+  ".gif": "image/gif",
+  ".bmp": "image/bmp",
+  ".svg": "image/svg+xml",
+  ".tiff": "image/tiff",
+  ".webp": "image/webp",
+  // Web
   ".htm": "text/html",
+  ".html": "text/html",
+  // Spreadsheets
+  ".xlsx": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
+  ".xls": "application/vnd.ms-excel",
+  ".xlsm": "application/vnd.ms-excel.sheet.macroEnabled.12",
+  ".xlsb": "application/vnd.ms-excel.sheet.binary.macroEnabled.12",
+  ".xlw": "application/vnd.ms-excel",
+  ".csv": "text/csv",
+  ".dif": "application/x-dif",
+  ".sylk": "text/vnd.sylk",
+  ".slk": "text/vnd.sylk",
+  ".prn": "application/x-prn",
+  ".numbers": "application/x-iwork-numbers-sffnumbers",
+  ".et": "application/vnd.ms-excel",
+  ".ods": "application/vnd.oasis.opendocument.spreadsheet",
+  ".fods": "application/vnd.oasis.opendocument.spreadsheet",
+  ".uos1": "application/vnd.uoml+xml",
+  ".uos2": "application/vnd.uoml+xml",
+  ".dbf": "application/vnd.dbf",
+  ".wk1": "application/vnd.lotus-1-2-3",
+  ".wk2": "application/vnd.lotus-1-2-3",
+  ".wk3": "application/vnd.lotus-1-2-3",
+  ".wk4": "application/vnd.lotus-1-2-3",
+  ".wks": "application/vnd.lotus-1-2-3",
+  ".123": "application/vnd.lotus-1-2-3",
+  ".wq1": "application/x-lotus",
+  ".wq2": "application/x-lotus",
+  ".wb1": "application/x-quattro-pro",
+  ".wb2": "application/x-quattro-pro",
+  ".wb3": "application/x-quattro-pro",
+  ".qpw": "application/x-quattro-pro",
+  ".xlr": "application/vnd.ms-works",
+  ".eth": "application/ethos",
+  ".tsv": "text/tab-separated-values",
 };
 
 /**
@@ -67,6 +122,14 @@ export class LlamaParseReader implements FileReader {
   language: Language = "en";
   // The parsing instruction for the parser.
   parsingInstruction: string = "";
+  // If set to true, the parser will ignore diagonal text (when the text rotation in degrees modulo 90 is not 0).
+  skipDiagonalText: boolean = false;
+  // If set to true, the cache will be ignored and the document re-processes. All document are kept in cache for 48hours after the job was completed to avoid processing 2 time the same document.
+  invalidateCache: boolean = false;
+  // Whether to use gpt-4o extract text from documents.
+  gpt4oMode: boolean = false;
+  // The API key for the GPT-4o API. Lowers the cost of parsing.
+  gpt4oApiKey?: string;
 
   constructor(params: Partial<LlamaParseReader> = {}) {
     Object.assign(this, params);
@@ -77,6 +140,13 @@ export class LlamaParseReader implements FileReader {
       );
     }
     this.apiKey = params.apiKey;
+
+    if (params.gpt4oMode) {
+      params.gpt4oApiKey =
+        params.gpt4oApiKey ?? getEnv("LLAMA_CLOUD_GPT4O_API_KEY");
+
+      this.gpt4oApiKey = params.gpt4oApiKey;
+    }
   }
 
   async loadData(file: string): Promise<Document[]> {
@@ -89,7 +159,13 @@ export class LlamaParseReader implements FileReader {
     const body = new FormData();
     body.set("file", new Blob([data], { type: mimeType }), file);
     body.append("language", this.language);
-    body.append("parsingInstruction", this.parsingInstruction);
+    body.append("parsing_instruction", this.parsingInstruction);
+    body.append("skip_diagonal_text", this.skipDiagonalText.toString());
+    body.append("invalidate_cache", this.invalidateCache.toString());
+    body.append("gpt4o_mode", this.gpt4oMode.toString());
+    if (this.gpt4oMode && this.gpt4oApiKey) {
+      body.append("gpt4o_api_key", this.gpt4oApiKey);
+    }
 
     const headers = {
       Authorization: `Bearer ${this.apiKey}`,