Monica vs UniJump

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors.

The short answer

Free plan: Both — Monica has a free plan, UniJump is free to use
Public API: Monica has one; not confirmed by us for UniJump
Best fit: Monica: People who compare answers across GPT, Claude and Gemini without paying three subscriptions · UniJump: People who bounce to ChatGPT constantly and want it over the current page
Platforms: Monica: Web, macOS, Windows, iOS, Android, Chrome extension · UniJump: Chrome extension
Trust score: About even — Monica 86, UniJump 83

From our own records as of each tool's last check. Anything we have not confirmed is left out rather than guessed. How we verify

MonicaMulti-model AI assistant living in a browser sidebar

UniJumpFree Chrome extension that opens ChatGPT in an overlay on any page with a keyboard shortcut

Side by side

Fact	Monica	UniJump
Category	Browser Extensions & Copilots	Browser Extensions & Copilots
Pricing model	Freemium	Free
Starts at	$9.90/mo	—
Public API	Yes	Not confirmed
Trust score	86 / 100	83 / 100
Platforms	Web, macOS, Windows, iOS, Android, API, Chrome extension	Chrome extension
Company	Butterfly Effect Pte. Ltd.	Panda Network
Launched	2023	2023
Last verified	Oct 15, 2026	Oct 15, 2026

What our research says

Monica

Worth it if you want one subscription that reaches GPT, Claude and Gemini from wherever you already are; pointless if you live inside a single vendor's app and are happy there. The value is the sidebar and the model switching, not the intelligence, which is all rented.

Pros

Genuinely wide model roster, including image and video models, under one credit pool
Extension plus desktop plus iOS/Android means the same history follows you across devices
Separate prepaid developer API at platform.monica.im if you want the same aggregation in code

Cons

Prices are only visible after loading the pricing app, and the tier names have already shifted once (Unlimited became Max)
Advanced credits reset monthly, so heavy image or video use burns a Pro plan fast
You are a reseller's customer — outages, rate limits and model deprecations arrive second-hand
monica.cn is a separate China-market build run by a different legal entity, which confuses support and privacy expectations

UniJump

A single-purpose shortcut: ChatGPT in an overlay instead of a separate tab, at no cost and with no account of its own. The catch is age - nothing on the site has moved since 2023, and an extension that rides someone else's web session is exactly the kind of thing that breaks quietly.

Pros

No signup, no key, no payment - it uses the OpenAI session you already have
Cmd/Ctrl+J overlay works on any site rather than needing a dedicated tab
In-place paraphrasing of selected text
Code is on GitHub, so behaviour is inspectable

Cons

Site copyright has read 2023 for three years, with no visible updates
Depends on an undocumented web session rather than the official API, so an upstream change can break it
Chrome only, and no company or maintainer is named

Which one fits

Choose Monica if you need

People who compare answers across GPT, Claude and Gemini without paying three subscriptions
Reading and summarising foreign-language pages and PDFs in-place while browsing
Light users who want AI attached to the browser rather than in another tab

Choose UniJump if you need

People who bounce to ChatGPT constantly and want it over the current page
Anyone unwilling to pay a subscription for a wrapper around a free service
Users who want a paraphrase shortcut on selected text