
Accept/Reject Preference Learning
How TypeOS captures micro-level accept/reject decisions inside real documents to build the world's first fine-grained writing preference dataset.
Advanced AI-powered essay grader. Get detailed analysis and scores.
















AI Powered Essay Grader is a powerful tool that helps writers and educators produce better work in less time. TypeOS brings this capability directly into Google Docs, where you already create your documents. No more switching between applications or losing your workflow - everything you need is right where you write.
Our ai powered essay grader feature uses advanced artificial intelligence to understand your content and provide intelligent suggestions. Whether you're grading student essays, writing research papers, or creating professional documents, TypeOS adapts to your needs and helps you achieve better results.
Thousands of writers and educators already trust TypeOS for their ai powered essay grader needs. Join educators from top schools, researchers from leading universities, and professionals from Fortune 500 companies who use TypeOS every day to improve their productivity and the quality of their work.
Essay grading has traditionally been one of the most time-consuming tasks for educators. With TypeOS, you can grade essays up to 10x faster while providing more detailed, constructive feedback to your students. Our AI analyzes structure, argumentation, grammar, and style to give comprehensive assessments.
Unlike simple grammar checkers, TypeOS understands the context of academic writing. It can evaluate thesis statements, check argument flow, identify weak points in reasoning, and suggest specific improvements. Students receive actionable feedback they can use to improve their writing skills.
TypeOS supports custom rubrics, so your grading aligns perfectly with your course requirements. Whether you're teaching high school English, college composition, or graduate-level research writing, TypeOS adapts to your standards and helps maintain consistency across all your grading.
Add TypeOS to your browser in one click. No signup required to get started. Works instantly with any Google Docs document.
Navigate to any Google Docs document - whether it's a new document or one you're already working on. TypeOS integrates seamlessly.
Use the TypeOS sidebar to access AI-powered writing, editing, research, and humanization features. Get instant suggestions and improvements.
TypeOS shows you suggested changes inline. Accept, reject, or modify each suggestion to maintain full control over your writing.
Getting started with AI Powered Essay Grader has never been easier. TypeOS brings powerful AI capabilities directly into your Google Docs workflow, so you can focus on what matters most - creating great content.
AI built into your
Google Docs
Agent turns your ideas into polished writing. Accept or reject each edit for granular control.
Learn about EditSearch the web and get summarized answers without leaving your document. Find sources, stats, and insights in seconds.
Learn about ResearchHumanize AI-assisted text to sound authentic. Pass GPTZero, Turnitin, and every major detector.
Learn about HumanizeMake targeted edits to specific sections of your document. Rewrite, transform, or ask about anything.
Learn about Scoped EditingTypeOS is more than just another AI writing tool. It's a complete writing assistant that lives where you already work.
Get AI-powered suggestions in milliseconds. No waiting, no loading screens. TypeOS works as fast as you can type.
Your documents never leave your browser. We don't store, train on, or share your content. Your writing stays yours.
Access GPT-4, Claude, and Gemini - the most advanced AI models available. Choose the best model for your task.
Our users report saving 5+ hours per week on writing tasks. Spend less time editing and more time creating.
Join students and professionals from Stanford, MIT, Harvard, and Fortune 500 companies using TypeOS daily.
No credit card required. Install the Chrome extension and start writing better content immediately.
Wow. Such a great launch video. One of the best I've ever seen, and I was with the team that did the GoPro one the night they launched the Hero 2 camera that made GoPro a public company.
Gemini can take some lessons from u guys. What a video, what a product!
finally something that works like gemini on gdocs is supposed to
Needed this yesterday finally
Finally something that taps into the huge potential of google docs
TypeOS literally saved my PhD paper with only 10 minutes left, it handled the references, made my writing look presentable, and even pre-graded it so I could make quick improvements. Using it in Google Docs felt like the first time I used ChatGPT; this really is the cursor for Google Docs.
Choose between cutting-edge models from OpenAI, Anthropic, and Google—optimized for writing.
Explore modelsTypeOS learns your writing style and document context, no matter the length or complexity.
Learn about contextTrusted by students and professionals to create clear, compelling, and original content.
See how it works

How TypeOS captures micro-level accept/reject decisions inside real documents to build the world's first fine-grained writing preference dataset.

Introducing TypeBench, the first benchmark specifically measuring human taste in writing, derived from real editing behavior rather than artificial ratings.

Evaluating formatting accuracy in AI writing: APA, MLA, Chicago, legal contracts, business documents, and structural fidelity.
AI Powered Essay Grader is a feature of TypeOS that helps you write better content directly in Google Docs. It uses advanced AI technology to analyze your writing and provide intelligent suggestions for improvement. Whether you're working on essays, research papers, blog posts, or professional documents, ai powered essay grader helps you produce higher quality content in less time.
Free to use. No credit card required. Start writing better now.
No credit card required. Works with Google Docs.
Advanced AI-powered essay grader. Get detailed analysis and scores.
















AI Powered Essay Grader is a powerful tool that helps writers and educators produce better work in less time. TypeOS brings this capability directly into Google Docs, where you already create your documents. No more switching between applications or losing your workflow - everything you need is right where you write.
Our ai powered essay grader feature uses advanced artificial intelligence to understand your content and provide intelligent suggestions. Whether you're grading student essays, writing research papers, or creating professional documents, TypeOS adapts to your needs and helps you achieve better results.
Thousands of writers and educators already trust TypeOS for their ai powered essay grader needs. Join educators from top schools, researchers from leading universities, and professionals from Fortune 500 companies who use TypeOS every day to improve their productivity and the quality of their work.
Essay grading has traditionally been one of the most time-consuming tasks for educators. With TypeOS, you can grade essays up to 10x faster while providing more detailed, constructive feedback to your students. Our AI analyzes structure, argumentation, grammar, and style to give comprehensive assessments.
Unlike simple grammar checkers, TypeOS understands the context of academic writing. It can evaluate thesis statements, check argument flow, identify weak points in reasoning, and suggest specific improvements. Students receive actionable feedback they can use to improve their writing skills.
TypeOS supports custom rubrics, so your grading aligns perfectly with your course requirements. Whether you're teaching high school English, college composition, or graduate-level research writing, TypeOS adapts to your standards and helps maintain consistency across all your grading.
Add TypeOS to your browser in one click. No signup required to get started. Works instantly with any Google Docs document.
Navigate to any Google Docs document - whether it's a new document or one you're already working on. TypeOS integrates seamlessly.
Use the TypeOS sidebar to access AI-powered writing, editing, research, and humanization features. Get instant suggestions and improvements.
TypeOS shows you suggested changes inline. Accept, reject, or modify each suggestion to maintain full control over your writing.
Getting started with AI Powered Essay Grader has never been easier. TypeOS brings powerful AI capabilities directly into your Google Docs workflow, so you can focus on what matters most - creating great content.
AI built into your
Google Docs
Agent turns your ideas into polished writing. Accept or reject each edit for granular control.
Learn about EditSearch the web and get summarized answers without leaving your document. Find sources, stats, and insights in seconds.
Learn about ResearchHumanize AI-assisted text to sound authentic. Pass GPTZero, Turnitin, and every major detector.
Learn about HumanizeMake targeted edits to specific sections of your document. Rewrite, transform, or ask about anything.
Learn about Scoped EditingTypeOS is more than just another AI writing tool. It's a complete writing assistant that lives where you already work.
Get AI-powered suggestions in milliseconds. No waiting, no loading screens. TypeOS works as fast as you can type.
Your documents never leave your browser. We don't store, train on, or share your content. Your writing stays yours.
Access GPT-4, Claude, and Gemini - the most advanced AI models available. Choose the best model for your task.
Our users report saving 5+ hours per week on writing tasks. Spend less time editing and more time creating.
Join students and professionals from Stanford, MIT, Harvard, and Fortune 500 companies using TypeOS daily.
No credit card required. Install the Chrome extension and start writing better content immediately.
Wow. Such a great launch video. One of the best I've ever seen, and I was with the team that did the GoPro one the night they launched the Hero 2 camera that made GoPro a public company.
Gemini can take some lessons from u guys. What a video, what a product!
finally something that works like gemini on gdocs is supposed to
Needed this yesterday finally
Finally something that taps into the huge potential of google docs
TypeOS literally saved my PhD paper with only 10 minutes left, it handled the references, made my writing look presentable, and even pre-graded it so I could make quick improvements. Using it in Google Docs felt like the first time I used ChatGPT; this really is the cursor for Google Docs.
Choose between cutting-edge models from OpenAI, Anthropic, and Google—optimized for writing.
Explore modelsTypeOS learns your writing style and document context, no matter the length or complexity.
Learn about contextTrusted by students and professionals to create clear, compelling, and original content.
See how it works

How TypeOS captures micro-level accept/reject decisions inside real documents to build the world's first fine-grained writing preference dataset.

Introducing TypeBench, the first benchmark specifically measuring human taste in writing, derived from real editing behavior rather than artificial ratings.

Evaluating formatting accuracy in AI writing: APA, MLA, Chicago, legal contracts, business documents, and structural fidelity.
AI Powered Essay Grader is a feature of TypeOS that helps you write better content directly in Google Docs. It uses advanced AI technology to analyze your writing and provide intelligent suggestions for improvement. Whether you're working on essays, research papers, blog posts, or professional documents, ai powered essay grader helps you produce higher quality content in less time.
Free to use. No credit card required. Start writing better now.
No credit card required. Works with Google Docs.