# Eraser vs Ghostwrite

Eraser records 534,396 monthly visits with -23.6% month-over-month growth and Freemium, Paid, Contact for Pricing pricing. Ghostwrite records 0 monthly visits with — growth and Paid pricing.

| Metric | [Eraser](https://openaitools.app/tool/eraser) | [Ghostwrite](https://openaitools.app/tool/ghostwrite) |
| :--- | :--- | :--- |
| Website URL | https://www.eraser.io | https://chrome.google.com/webstore/detail/ghostwrite-chatgpt-email/fbjnnjochaopepfjpngghafgnafebkjh |
| Categories | AI Diagram Generator, AI Copilot, AI Design Generator, AI Documents Generator | AI Email Assistant, AI Email Generator, AI Email Writer |
| Pricing Model | Freemium, Paid, Contact for Pricing | Paid |
| Monthly Visits | 534,396 | 0 |
| MoM Growth Rate | -23.6% | — |
| Primary Market | India | Global |
| Direct Visits | 267,661 | 0 |
| Review Score | 4.6 | 4 |
| Saved Count | 3 | 1 |
| Supported Platforms | Website | Browser Extension |

## Eraser

Eraser is a technical design platform aimed at the people who document architecture: enterprise architects, DevOps and platform engineers, consultants, and software teams. The core promise is speed without sloppiness, so instead of dragging boxes for hours you describe the system or point Eraser at a source of truth such as code, a cloud account, a CMDB, or a spreadsheet, and it produces a diagram that already follows sensible layout rules.

Beyond static images, Eraser supports interactive maps that zoom from a company-wide view down into a single service, guided explainers that walk teammates through a system, and AI documents for design docs and technical documentation. Team governance features such as shared style presets, naming rules, and reference architectures keep output consistent as more people create diagrams. An open-source agent toolkit and MCP server let tools like Claude, Cursor, and ChatGPT create, search, and export diagrams programmatically.

Prices are organized in tiers that include a free entry point, paid plans, and enterprise agreements, with multi-tenant, single-tenant, and self-hosted deployment options for larger organizations. Security posture includes SOC 2 Type 2 certification and SAML SSO.

**Pricing & Plans:** Freemium with paid plans and custom enterprise pricing. A free tier and free tools such as DiagramGPT are available, while paid individual and team plans plus enterprise agreements cover advanced governance, security, and deployment options; check the pricing page for current rates.

- **AI diagram generation:** Generate architecture diagrams, flowcharts, sequence diagrams, and BPMN from a text prompt, code, Terraform, or an uploaded PDF, Word, Excel, PowerPoint, Draw.io, or Visio file.
- **Maps from live systems:** Build interactive maps that sync with cloud accounts, repositories, and internal catalogs so the picture stays close to the real environment, with drill-down from org level to a single container.
- **Diagram-as-code integrations:** Paste code or connect private and public Git repositories, Confluence, Notion, VS Code, and GitHub to keep diagrams grounded in actual implementation.
- **Open-source agent toolkit and MCP server:** Run the agent toolkit in your own infrastructure under an MIT license and let MCP-compatible clients create, search, update, and export diagrams with OAuth or API tokens.
- **Team style governance:** Apply presets, naming and notation rules, and reference architectures so every teammate's diagram ships on-brand and consistent.

**Strengths:** Turns prompts, code, and files into properly laid-out diagrams instead of raw box-and-arrow output; Interactive maps and explainers make complex systems understandable to non-architects; MCP server and open-source toolkit fit agent-driven and self-hosted workflows; Enterprise controls such as SSO, SAML, and SOC 2 Type 2 certification

**Limitations:** Heaviest value comes with team and governance features that need setup; Advanced mapping and self-hosted deployment are aimed at larger organizations rather than solo users

[Profile (Markdown)](https://openaitools.app/tool/eraser.md)

## Ghostwrite

Ghostwrite targets the daily friction of inbox work: you know roughly what you want to say but composing it properly takes time, and the same follow-ups keep coming back around. The extension adds a writing panel directly into your email client, so a few keywords or a short bulleted list becomes a complete, professionally worded message. Reply drafting is a single click, which is where most of the time savings come from for support and sales teams working through a queue.

Tone control is built in: you can switch between formal, friendly, concise and persuasive registers depending on the recipient, and the tool also cleans up grammar and spelling as it writes. Beyond one-off messages, you can save the outputs you like as reusable templates for cold outreach, follow-ups, meeting requests, job applications and support responses, turning repeatable emails into a few seconds of work.

It runs in the browser alongside Gmail, Outlook and Zendesk, so nothing changes about where or how your mail is stored. The publisher states that it does not store or share email content, and the extension is offered as a paid add-on with in-app purchases rather than a free utility. Because it depends on the host page layout of each webmail client, occasional breakage after those services redesign their interfaces is a normal risk for this category of extension.

**Pricing & Plans:** Paid Chrome extension with in-app purchases; the store listing flags optional paid features rather than a free tier. Install is free from the Chrome Web Store, with charges for usage or premium functionality handled inside the extension.

- **Full email generation from a few words:** Turn a short phrase or bulleted list into a complete, professional email, including cold outreach, applications and follow-ups.
- **One-click smart replies:** Ghostwrite reads the incoming message and drafts a contextually appropriate full reply in a single click.
- **Tone and style control:** Switch between formal, friendly, concise and persuasive registers so the same content fits different recipients and situations.
- **Grammar and spelling clean-up:** Text is corrected for spelling, grammar and clarity as it is generated, so nothing goes out with obvious mistakes.
- **Reusable AI templates:** Save generated messages as templates for recurring scenarios — follow-ups, outreach, meeting requests and support replies.

**Strengths:** Works directly inside Gmail, Outlook and Zendesk, so there is no new app to learn; One-click smart replies give the biggest time saving for high-volume inboxes; Tone presets and built-in proofreading keep the output professional; Reusable templates make common email scenarios nearly instant

**Limitations:** It is a Chrome-only browser extension, so desktop and native mail clients are out of scope; Being page-injected means it can break when Gmail, Outlook or Zendesk update their interfaces; Paid add-on with in-app purchases rather than a generous free plan

[Profile (Markdown)](https://openaitools.app/tool/ghostwrite.md)

## Frequently Asked Questions

### How do Eraser and Ghostwrite compare in monthly traffic?

Eraser has 534,396 monthly visits, while Ghostwrite has 0. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

Eraser has a month-over-month growth rate of -23.6%; Ghostwrite has —.

### How does pricing compare?

Eraser: Freemium, Paid, Contact for Pricing. Freemium with paid plans and custom enterprise pricing. A free tier and free tools such as DiagramGPT are available, while paid individual and team plans plus enterprise agreements cover advanced governance, security, and deployment options; check the pricing page for current rates. Ghostwrite: Paid. Paid Chrome extension with in-app purchases; the store listing flags optional paid features rather than a free tier. Install is free from the Chrome Web Store, with charges for usage or premium functionality handled inside the extension.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Miro](https://openaitools.app/tool/miro) | 30,749,206 | +1.7% | Freemium, Contact for Pricing | Offers an expansive infinite canvas for team brainstorming and visual workshops, but lacks Eraser's code-to-diagram automation. | [.md](https://openaitools.app/tool/miro.md) |
| 2 | [Superhuman](https://openaitools.app/tool/superhuman) | 6,514,241 | +7.9% | Paid | The AI productivity suite with agents, email, and docs that work wherever you do | [.md](https://openaitools.app/tool/superhuman.md) |
| 3 | [Napkin AI](https://openaitools.app/tool/napkin) | 1,029,978 | -17.5% | Freemium | Automatically embeds visual diagrams directly inside text documents, though it lacks Eraser's specialized cloud architecture focus. | [.md](https://openaitools.app/tool/napkin.md) |
| 4 | [EdrawMax](https://openaitools.app/tool/edrawmax-com) | 301,707 | -6.5% | Paid | Provides extensive drag-and-drop shapes and templates for general diagrams, but weaker automated code-to-diagram capabilities than Eraser. | [.md](https://openaitools.app/tool/edrawmax-com.md) |
| 5 | [Cloudairy](https://openaitools.app/tool/cloudairy) | 179,162 | -13% | Freemium, Contact for Pricing | Combines team whiteboarding, documentation, and diagramming in one platform, but less tailored for automated codebase architecture. | [.md](https://openaitools.app/tool/cloudairy.md) |
| 6 | [WriteMail.ai](https://openaitools.app/tool/writemail-ai) | 79,919 | -29.9% | Freemium | Turn a few key points into polished, on-tone emails | [.md](https://openaitools.app/tool/writemail-ai.md) |
| 7 | [ChartDB](https://openaitools.app/tool/chartdb) | 49,523 | -33.4% | Freemium | Open-source tool specifically tailored for database schema visualization and ER diagrams, but lacks general system documentation features. | [.md](https://openaitools.app/tool/chartdb.md) |
| 8 | [Smart Assistant by Mailbutler](https://openaitools.app/tool/smart-assistant) | 47,200 | -8.7% | Freemium, Free Trial, Paid | An AI email assistant that drafts, summarizes, and perfects your messages in place | [.md](https://openaitools.app/tool/smart-assistant.md) |
| 9 | [Mermaid Chart](https://openaitools.app/tool/mermaid-chart) | 46,022 | +519% | Freemium, Free Trial | Stronger focus on standard Mermaid syntax and code-driven diagrams, but lacks Eraser's native autonomous architecture doc generation. | [.md](https://openaitools.app/tool/mermaid-chart.md) |
| 10 | [DocuWriter.ai](https://openaitools.app/tool/docuwriter-ai) | 23,235 | +16% | Free Trial, Paid | AI code documentation for any codebase, kept current automatically | [.md](https://openaitools.app/tool/docuwriter-ai.md) |

---
Source: https://openaitools.app/compare/eraser-vs-ghostwrite

More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)