Monica vs OmniSide

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, OmniSide is free to use
Public API: Monica has one; not confirmed by us for OmniSide
Higher Trust score: Monica — 86 vs 70 for OmniSide
Best fit: Monica: People who compare answers across GPT, Claude and Gemini without paying three subscriptions · OmniSide: People who want one sidebar for quick chat, translation and OCR instead of several single-purpose extensions
Status: Both up at our last check — Monica Oct 15, 2026, OmniSide Oct 23, 2026

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

OmniSideBrowser sidebar for chatting with several AI models at once, plus summarizing, translating, and pulling text out of images or PDFs.

Side by side

Fact	Monica	OmniSide
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	70 / 100
Platforms	Web, macOS, Windows, iOS, Android, API, Chrome extension	Web, macOS, Windows, iOS, Android, Chrome extension
Company	Butterfly Effect Pte. Ltd.	Omnilogic Pte. Ltd.
Launched	2023	—
Last verified	Oct 15, 2026	Oct 23, 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

OmniSide

OmniSide bundles a handful of everyday AI tasks, such as chat, summarizing, translating and OCR, into one sidebar so a user is not switching between separate extensions. Because no paid tier or usage limit is disclosed, it is unclear how the product sustains itself or what happens if usage is heavy.

Pros

Combines chat, summarization, translation, writing help and OCR in a single sidebar
Supports chatting with multiple AI models from the same panel
No cost shown anywhere on the marketing site for any listed feature

Cons

No pricing, usage limits or terms are disclosed, making it hard to judge long-term reliability
FAQ references pricing questions without actually answering them
No detail on which underlying AI models power the chat or OCR features

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 OmniSide if you need

People who want one sidebar for quick chat, translation and OCR instead of several single-purpose extensions
Users comparing answers across multiple AI models without opening separate tabs