What AI models does WritingMate.ai support?

The tool wires multiple frontier LLMs into the browser, specifically supporting GPT-4, GPT-3.5, and Claude.

Is there a free version available?

Yes, WritingMate.ai offers a permanent free tier alongside paid Basic ($20) and Pro ($40) plans. It also provides a free trial for new users.

Does the extension support Firefox or Safari?

No, the tool is Chrome-only; no Firefox or Safari build is advertised in the entry.

Can I access WritingMate.ai via an API?

No, there is no public API or programmatic access available for this tool.

WritingMate.ai

Browser-side AI copilot that drops GPT-4 and Claude into Gmail, LinkedIn, and any web text field.

Freemium· Basic: $20 · Pro: $40 · Enterprise: Contact salesWritingMulti-model (GPT-4, GPT-3.5, Claude)6.7 / 10

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In short

WritingMate.ai is a browser-side AI copilot that integrates GPT-4, GPT-3.5, and Claude directly into Gmail, LinkedIn, and other web text fields. It is best for users seeking a convenient, multi-model writing assistant with a permanent free tier for drafting, rewriting, and translation.

Best for

Pick WritingMate.ai if you want a free, browser-resident copilot that calls GPT-4 or Claude directly inside Gmail and LinkedIn.

Skip if

Skip it if you need API access, team workspaces, or a more mature ecosystem like Merlin or Monica.

WritingMate.ai is a Chrome extension from Ava Labs that wires multiple frontier LLMs (GPT-4, GPT-3.5, and Claude) into the websites you already use. It surfaces a one-click writing helper that can compose Gmail replies, draft LinkedIn posts, rewrite or summarize selected text, translate across 54 languages, and brainstorm in-context wherever you can type.

The pitch is convenience and breadth rather than depth: instead of jumping to ChatGPT in a separate tab, you trigger the same models inline. It sits in the crowded category of browser AI copilots alongside Merlin, Sider, and Monica, and competes mostly on a permanent free tier with an optional paid upgrade. With 10,000+ installs and a 4.4 rating from 269 reviews it is a mid-tier player rather than a category leader.

There is no public API, no self-host option, and no agentic workflow layer; the value sits entirely in the convenience of having a multi-model prompt box one keystroke away inside the browser. Privacy is self-attested ("no data sold to third parties") rather than independently audited.

Editor's take

A serviceable mid-tier entrant in the browser-AI-copilot bracket. The multi-model toggle and forever-free tier are the real hooks, but it lacks the polish, install base, and ecosystem of the category leaders. Fine as a free fallback, not a daily driver for power users.

— The AI Tool Bible editorial team

Pros

✅ Multi-model access (GPT-4 and Claude) from a single extension
✅ Works inline in Gmail, LinkedIn, and arbitrary web text fields
✅ Persistent free tier covers casual everyday writing
✅ Supports 54 languages for translation and drafting

Cons

⚠️ No public API or programmatic access
⚠️ Modest install base versus Merlin, Sider, and Monica
⚠️ Privacy claims are self-attested, not independently audited
⚠️ Chrome-only; no Firefox or Safari build advertised

Use cases

email-draftingrewritingsummarizationtranslationlinkedin-postsbrainstorming

Frequently asked

What AI models does WritingMate.ai support?: The tool wires multiple frontier LLMs into the browser, specifically supporting GPT-4, GPT-3.5, and Claude.
Is there a free version available?: Yes, WritingMate.ai offers a permanent free tier alongside paid Basic ($20) and Pro ($40) plans. It also provides a free trial for new users.
Does the extension support Firefox or Safari?: No, the tool is Chrome-only; no Firefox or Safari build is advertised in the entry.
Can I access WritingMate.ai via an API?: No, there is no public API or programmatic access available for this tool.