AI Writer

Create High-Quality Content for Social Media, Websites, Reports, Emails, and More

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Fixing grammatical errors
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Review the attached document and and check for grammatical errors

Quantum Computing.pdf
Ninja Agent
/writer

I've reviewed the attached document, Quantum_Computing.pdf, and analyzed its content. The document appears to be well-structured and free of major grammatical errors. However, I did notice a few minor issues that could be improved for better clarity and readability.

Here are some specific observations and suggestions:

  1. Sentence structure: The document features a mix of short and long sentences, which is good for maintaining reader interest. However, some of the longer sentences could be broken up for easier comprehension.

  2. Punctuation: I found a few instances where commas were used incorrectly or missing in places where they would improve sentence clarity.

  3. Verb tense consistency: The document generally maintains a consistent verb tense, but there are a few instances where the tense switches between past and present. It's essential to ensure that the verb tense is consistent throughout the document.

  4. Technical terms: The document uses technical terms like "qubits," "superposition," and "entanglement" without providing explicit definitions. While these terms might be familiar to experts in the field, it's essential to consider the target audience and provide explanations or references for readers who may not be familiar with these concepts.

Ninja AI Writer makes creating high-quality content instant and effortless with the world’s best AI models. Whether you’re crafting copy for multiple platforms, summarizing files, or brainstorming ideas, it delivers results tailored to your preferred style, tone, voice, and structure. Plus, it consistently adapts to match your personal or professional brand.

AI Writing Features

The Best AI Models For Writing

Access to our AI SuperAgents, along with 20+ premium AI models from OpenAI, Google, Anthropic, and others. Starting at only $15/month.

Grammar Checker and Paraphraser

Ninja AI Writer corrects spelling errors and smooths out awkward sentences. It also rephrases content to maintain originality, eliminate redundancies, and simplify complex topics.

Advanced File Capabilities

Ninja AI Writer processes various file types, including PDFs, images, videos, and audio. Get a summary in bullet points, paragraphs, or numbered lists, and customize length and depth for a brief overview or detailed analysis.

Deep Research Integration

Deep Research can dive deep into hundreds of sources across the internet to help you find the most relevant knowledge, insights, and data with citations.

Language Translation

Instantly translate text into up to 20 languages, making it simple to create and share content across a global audience.

Ninja Editor
Coming Soon

Editor is a workspace to create, refine, and manage any writing or coding project. As your ultimate creative partner, it makes it seamless to get inline feedback, revise text or code, debug, track or restore changes, and much more.

Use Cases

Effortless Ways to Unleash the Power of AI Writing

Content Creation for Marketing

Writes blog posts, newsletters, and social media updates tailored to specific audiences by analyzing trends, keywords, and user behavior. It provides variations for different platforms, ensuring consistent and effective messaging.

Business Strategy & Decision-Making

The AI writer provides advice on business plans, marketing strategies, and financial analysis by analyzing data and identifying opportunities. It helps guide decisions like choosing marketing channels or assessing product viability.

PDF Summarizer

Use the AI writing generator to create clear summaries of uploaded PDF files, extracting key points and highlighting important data to help you understand complex information quickly without reading the entire document.

Creative Brainstorming

The AI writer suggests unique ideas based on current trends, industry insights, and creative prompts provided by the user. It can also generate multiple concepts and refine them through a back-and-forth chat with you.

Report Writing & Summarization

Creates structured reports and summaries from raw data or insights, transforming complex datasets into human-readable reports.

Drafting Email & Communication

The AI writing generator helps craft personalized emails and communications by understanding context and intent, ensuring professionalism and relevance. It also generates responses for customer inquiries to make communication more efficient.

Why Choose Ninja For Writing

24/7 AI Writing Assistant

Ninja AI Writer is designed to deliver immediate results customized to your needs. Whether you're ideating, creating, or polishing content, it offers reliable, high-quality results that helps you be more productive and efficient.

Save Time and Costs

Thanks to our partnership with AWS, we’re able to offer the best prices in the industry. With a single subscription, you get access to advanced features for writing at a fraction of the cost of other models, for only $15/month.

Support And Resources

We build for our users and are here to make sure your experience is exceptional. Paid subscribers get access to our professional support team and help centre. You’ll also enjoy regular feature updates and the ability to influence our product roadmap.

AI Writer Availability by
Account Tier

All users have access to Ninja’s AI writing generator. Pro, Ultra, & Business Subscribers have the additional benefit of our unique integration with external AI models and our file upload feature.

Task count

6 tasks per day

Unlimited tasks *

Unlimited tasks *

Unlimited tasks *

Unlimited tasks *

File upload analysis

Up to ~150k words
across 35+ file types

Up to ~1.5M words
across 35+ file types

Up to ~1.5M words
across 35+ file types

Professional & creative writing

Text models

Ninja auto-selects text models

Ninja auto-selects text models

Ninja auto-selects text models

OpenAI Logo

OpenAI GPT-4.1 Mini

OpenAI Logo

OpenAI GPT-4o Mini

Anthropic Logo

Anthropic Claude 3.5 Haiku

Google Gemini Logo

Google Gemini 2.0 Flash

Google Gemini Logo

Google Gemini 1.5 Flash

Llama 4 Scout

Llama 4 Maverick

Ninja auto-selects text models

OpenAI Logo

OpenAI GPT-4.1

OpenAI Logo

OpenAI GPT-4.1 Mini

OpenAI Logo

OpenAI GPT-4o

OpenAI Logo

OpenAI GPT-4o Mini

DeepSeek R1

DeepSeek V3

Anthropic Logo

Anthropic Claude 3.5 Haiku

Anthropic Logo

Anthropic Claude 3.7 Sonnet

Google Gemini Logo

Google Gemini 1.5 Pro

Google Gemini Logo

Google Gemini 2.0 Flash

Google Gemini Logo

Google Gemini 1.5 Flash

Llama 4 Scout

Llama 4 Maverick

Amazon Nova Micro

Amazon Nova Lite

Amazon Nova Pro

Cohere Command R

Cohere Command R+

Mistral AI Logo

Mistral Small

Mistral AI Logo

Mistral Large

Ninja auto-selects text models

OpenAI Logo

OpenAI GPT-4.1

OpenAI Logo

OpenAI GPT-4.1 Mini

OpenAI Logo

OpenAI GPT-4o

OpenAI Logo

OpenAI GPT-4o Mini

DeepSeek R1

DeepSeek V3

Anthropic Logo

Anthropic Claude 3.5 Haiku

Anthropic Logo

Anthropic Claude 3.7 Sonnet

Google Gemini Logo

Google Gemini 1.5 Pro

Google Gemini Logo

Google Gemini 2.0 Flash

Google Gemini Logo

Google Gemini 1.5 Flash

Llama 4 Scout

Llama 4 Maverick

Amazon Nova Micro

Amazon Nova Lite

Amazon Nova Pro

Cohere Command R

Cohere Command R+

Mistral AI Logo

Mistral Small

Mistral AI Logo

Mistral Large

*
Subject to abuse thresholds

AI Writer Availability by
Account Tier

All users have access to Ninja’s AI writing generator. Pro, Ultra, & Business Subscribers have the additional benefit of our unique integration with external AI models and our file upload feature.

Task count

6 tasks per day

File upload analysis

Professional & creative writing

Text models

Ninja auto-selects text models

*
Subject to abuse thresholds

Task count

Unlimited tasks *

File upload analysis

Professional & creative writing

Text models

Ninja auto-selects text models

*
Subject to abuse thresholds

Task count

Unlimited tasks *

File upload analysis

Up to ~ 150k words across 35+ file types

Professional & creative writing

Text models

Ninja auto-selects text models

OpenAI GPT-4.1 Mini

OpenAI GPT-4o Mini

Anthropic Logo

Anthropic Claude 3.5 Haiku

Google Gemini Logo

Google Gemini 2.0 Flash

Google Gemini Logo

Google Gemini 1.5 Flash

Llama 4 Scout

Llama 4 Maverick

*
Subject to abuse thresholds

Task count

Unlimited tasks *

File upload analysis

Up to ~ 1.5M words across 35+ file types

Professional & creative writing

Text models

Ninja auto-selects text models

OpenAI GPT-4.1

OpenAI GPT-4.1 Mini

OpenAI GPT-4o

OpenAI GPT-4o Mini

DeepSeek R1

DeepSeek V3

Anthropic Logo

Anthropic Claude 3.7 Sonnet

Anthropic Logo

Anthropic Claude 3.5 Haiku

Google Gemini Logo

Google Gemini 1.5 Pro

Google Gemini Logo

Google Gemini 2.0 Flash

Google Gemini Logo

Google Gemini 1.5 Flash

Llama 4 Scout

Llama 4 Maverick

Amazon Nova Pro

Amazon Nova Lite

Amazon Nova Micro

Cohere Command R+

Cohere Command R

Mistral AI Logo

Mistral Large

Mistral AI Logo

Mistral Small

*
Subject to abuse thresholds

Task count

Unlimited tasks *

File upload analysis

Up to ~ 1.5M words across 35+ file types

Professional & creative writing

Text models

Ninja auto-selects text models

OpenAI GPT-4.1

OpenAI GPT-4.1 Mini

OpenAI GPT-4o

OpenAI GPT-4o Mini

DeepSeek R1

DeepSeek V3

Anthropic Logo

Anthropic Claude 3.7 Sonnet

Anthropic Logo

Anthropic Claude 3.5 Haiku

Google Gemini Logo

Google Gemini 1.5 Pro

Google Gemini Logo

Google Gemini 2.0 Flash

Google Gemini Logo

Google Gemini 1.5 Flash

Llama 4 Scout

Llama 4 Maverick

Amazon Nova Pro

Amazon Nova Lite

Amazon Nova Micro

Cohere Command R+

Cohere Command R

Mistral AI Logo

Mistral Large

Mistral AI Logo

Mistral Small

*
Subject to abuse thresholds
FAQ

Frequently Asked Questions

Here's what you need to know about Ninja's AI writer based on what we get asked the most.

What can the Writer Agent do?

The Writer Agent is an AI writing generator that helps you generate content, brainstorm ideas, summarize files, and provide personalized advice on topics like marketing, business strategy, and creative writing. Simply input your request and it can adapt to a variety of tasks.

How is the Writer different from the Research Agent?

The Research Agent specializes in gathering and analyzing real-time information from the web based on your prompt. In contrast, the Writer focuses on generating custom content and giving actionable advice based on the prompts you provide.

What kind of advice can the AI Writer provide?

The Writer offers advice across topics like marketing, business planning, creative projects, and content development. The more context and guidance you provide, the more tailored and relevant the response.