
Provides massive context windows and deep Google Workspace integration, but trails behind in advanced coding workflows.

ChatGPT records 6,048,022,723 monthly visits with +2.2% month-over-month growth and Freemium pricing. re:write records 718 monthly visits with +483.7% growth and Free pricing.

One-click rewriting and grammar checking, right in your browser
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | chatgpt.com | rewritegpt.com |
| Pricing Model | Freemium | Free |
| Monthly Visits | 6.05B (6,048,022,723) | 718 (718) |
| MoM Traffic Delta |
| +127.43M (+2.2%) |
| +595 (+483.7%) |
| Primary Market & Share | 🇺🇸 United States (21.7%) | 🌐 Global (—) |
|---|
| Direct Visits / mo | 4.44B | 312 |
|---|
| User Rating | 4.8 | 1.8 |
|---|
| Supported Platforms | Website | Website |
|---|

OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
Automatically routes prompts or lets users select between Instant responses and Medium, High, or Extra High thinking depth across GPT-5.6 Luna, GPT-5.6 Sol, and flagship GPT-6 Pro/Astra models.
Asynchronous software engineering and task agents that clone repositories, run terminal tests in sandboxed environments, resolve complex bugs, and submit pull requests.
Browses dozens of primary web sources, academic papers, and connected workspace documents over several minutes to compile structured, citation-backed analytical reports.
Provides a split-screen editor for inline prose and code revisions alongside low-latency voice conversations with live screen and camera grounding.

One-click rewriting and grammar checking, right in your browser
Highlight or focus text and re:write produces a cleaner, better-worded version without you leaving the tab or app you are writing in.
Alongside rewriting, the extension checks grammar so phrases and sentences come out correct, not just differently phrased.
re:write is powered by the ChatGPT API, giving you access to a capable large language model directly from your browser.
Sent as a lightweight Chrome extension, it lives in your browser and is available on any page or text field you are working in.

Provides massive context windows and deep Google Workspace integration, but trails behind in advanced coding workflows.

Offers superior long-form writing and coding assistance with interactive artifacts, but lacks built-in deep web search.
Free / Open-sourceDelivers exceptional open-weight reasoning and math performance at lower cost, but features a simpler consumer interface.

Integrates real-time social media data and image generation directly into chat, but has fewer enterprise integrations.

SpecialistThe AI workspace where teams and agents get work done together
SpecialistExcels at real-time web research with verifiable inline citations, but offers less robust general conversational coding features.

Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Provides a completely free conversational assistant across social apps, but lacks advanced coding agents and deep research.
Paraphrase, proofread and summarize text with an AI writing workspace

SpecialistThe AI coding agent for building ambitious software

SpecialistSpecializes in processing exceptionally long documents for deep research, but lacks multi-modal voice and advanced code execution.

AI grammar, spelling and style checker for 30+ languages
Provides massive context windows and deep Google Workspace integration, but trails behind in advanced coding workflows.
Offers superior long-form writing and coding assistance with interactive artifacts, but lacks built-in deep web search.
Free / Open-sourceDelivers exceptional open-weight reasoning and math performance at lower cost, but features a simpler consumer interface.
Integrates real-time social media data and image generation directly into chat, but has fewer enterprise integrations.
SpecialistExcels at real-time web research with verifiable inline citations, but offers less robust general conversational coding features.
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Provides a completely free conversational assistant across social apps, but lacks advanced coding agents and deep research.
Paraphrase, proofread and summarize text with an AI writing workspace
SpecialistThe AI coding agent for building ambitious software
SpecialistSpecializes in processing exceptionally long documents for deep research, but lacks multi-modal voice and advanced code execution.
AI grammar, spelling and style checker for 30+ languages