
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
DevBot records 0 monthly visits with — month-over-month growth and Free pricing. QuillBot Paraphraser records 36,630,337 monthly visits with +2.3% growth and Freemium pricing.

AI code assistant that refactors selected code in one shortcut
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | chromewebstore.google.com | quillbot.com |
| Pricing Model | Free | Freemium |
| Monthly Visits | 0 (0) | 36.63M (36,630,337) |
| MoM Traffic Delta | 0 (—) | +824.67K (+2.3%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (25.1%) |
| Direct Visits / mo | 0 | 10.99M |
| User Rating | 3.9 | 4.5 |
| Supported Platforms | Browser Extension | Website |

AI code assistant that refactors selected code in one shortcut
Trigger AI assistance instantly on any page with a single keyboard shortcut, no side panel or separate tab required.
Highlight a snippet and DevBot generates, refactors, or transforms it according to your written instruction.
Runs on any site you browse, so documentation snippets, forum answers and tutorial code can all be reworked in place.
A small extension footprint that stays out of the way until you invoke it.
Paraphrase, proofread and summarize text with an AI writing workspace
Rewrite sentences and paragraphs in modes like Standard, Fluency, Formal, Simple, Creative and Shorten/Expand to match tone and length.
Scan your text for grammar, spelling, punctuation and clarity issues and apply suggested fixes.
Condense long documents or articles into key points, with adjustable length.
Generate citations in APA, MLA, Chicago and other styles from a URL, title or DOI.

OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
Anthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
Anthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
Free / Open-sourceHigh-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
Free / Open-sourceHigh-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.

Provides industry-leading real-time grammar checking and style suggestions, but offers less versatile sentence paraphrasing than QuillBot.
Provides industry-leading real-time grammar checking and style suggestions, but offers less versatile sentence paraphrasing than QuillBot.

The AI coding agent for building ambitious software
The AI coding agent for building ambitious software

SpecialistExcels at academic citation generation and professional proofreading, but lacks QuillBot's quick interactive paraphrasing slider.
SpecialistExcels at academic citation generation and professional proofreading, but lacks QuillBot's quick interactive paraphrasing slider.

Free / Open-sourceWrite code with precision, hand bigger jobs to agents, and keep working from anywhere
Free / Open-sourceWrite code with precision, hand bigger jobs to agents, and keep working from anywhere
SpecialistSpecializes in humanizing AI-generated text to bypass detection, but offers less traditional rewriting flexibility than QuillBot.
SpecialistSpecializes in humanizing AI-generated text to bypass detection, but offers less traditional rewriting flexibility than QuillBot.

Your AI agent for the browser: chat, automate and create from one sidebar
Your AI agent for the browser: chat, automate and create from one sidebar

One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
SpecialistHighlights readability issues and complex sentences to improve clarity, but does not automatically rewrite text like QuillBot.
SpecialistHighlights readability issues and complex sentences to improve clarity, but does not automatically rewrite text like QuillBot.

AI agents and brand-governed content for enterprise marketing teams
AI agents and brand-governed content for enterprise marketing teams