Updated 12 Nov 2026 · prices read on vendor pages

11 best Monica alternatives in 2027

Reviewed by Mehmet Elmicenni, founder of Zekai•Prices checked 12 Nov 2026•How we check

The short answer

The best Monica alternatives in 2027 are Sider AI (best overall, $8.33/mo billed yearly), MaxAI (best free plan) and NextAI Translator (best open source, AGPL-3.0). Monica itself starts at $8.3/mo billed yearly. Zekai checked these prices on vendor pages on 12 Nov 2026; 8 more are compared below, including 4 with a free plan and 2 open source.

Open the Zekai Cost Finder Get price alerts

Best overallSee in table →

Sider AI

$8.33/mo billed yearly

6.9

Best free planSee in table →

MaxAI

$12/mo billed yearly · free plan

6.3

Best open sourceSee in table →

NextAI Translator

Free to self-host · AGPL-3.0

7.7

11alternatives compared

5with a free plan

3open source

$4.99/mocheapest paid · Gemini

$8.3/mo billed yearlyMonica starts at

01 · Zekai Price Ledger

Which Monica alternatives are worth it in 2027?

Monica alternatives worth considering are Sider AI, MaxAI, Merlin and HARPA AI, all browser-based assistants, plus Gemini, Claude, Microsoft Copilot and ChatGPT as single-vendor options. Monica's Pro is $8.3 a month billed yearly; Gemini's Google AI Plus is $4.99 a month and Sider's Nano is $10 billed monthly.

Zekai Cost Finder · team1 person

Tool	Type	Starting price	Free plan limit	Best for	Cost for your team	Checked
MonicaThe tool you are replacing	You are here	$8.3/mo billed yearlyPro, $99 billed yearly; monthly price not shown (Max $16.6/mo yearly, Ultra $82.9/mo yearly)	40 basic-model accesses a day	Multi-model sidebar plus agents	—	12 Nov 2026	Pricing ↗
Sider AI Zekai score 6.9Best overall	Paid	$8.33/mo billed yearlyNano, $8.33/mo billed yearly ($100) or $10 billed monthly; Lite $20.83 yearly or $25 monthly	No free plan	Sidebar plus Hand browser agent	—	12 Nov 2026	Pricing ↗
MaxAI Zekai score 6.3Best free plan	Free plan + paid	$12/mo billed yearlyPro, per member, $12/mo billed yearly or $30 billed monthly	Unlimited free chat on a fast model; 3 Pro chats a day	Per-member team plan with a free tier	—	12 Nov 2026	Pricing ↗
Merlin Not yet reviewed by Zekai	Free plan + paid	$19/mo billed yearlyPro, billed $228 yearly; Teams $180 per seat yearly; monthly price not read	Limited access to basic models and 70+ AI tools	Unlimited basic models plus 70-plus tools	—	12 Nov 2026	Pricing ↗
Harpa AI Zekai score 6.9	Paid	Not checkedPrices on the page are in EUR (about EUR 14.30 and 19.60 a month billed annually; EUR 238 lifetime); not converted, left empty	No free plan	Browser automation with your own API keys	—	12 Nov 2026	Pricing ↗
Gemini Zekai score 8.7Cheapest paid	Free plan + paid	$4.99/moGoogle AI Plus, monthly (AI Pro $19.99)	Free with a Google Account	Cheapest paid tier, Google-integrated	—	12 Nov 2026	Pricing ↗
Claude Zekai score 9.4	Free plan + paid	$17/mo billed yearlyPro, $17/mo billed yearly ($200 up front) or $20 billed monthly	Limited usage every 5 hours and every week	Single-vendor assistant with Claude in Chrome	—	12 Nov 2026	Pricing ↗
Microsoft Copilot Zekai score 6.8	Paid	$19.99/moMicrosoft 365 Premium, monthly (first-month promo $13.99 not used as price)	No free plan	Copilot bundled with Microsoft 365 apps	—	12 Nov 2026	Pricing ↗
ChatGPT Zekai score 9.3	Free plan + paid	$6/moGo, monthly (Plus not read)	Unlimited text chats with GPT-6; limited uploads, images, voice	OpenAI-only assistant with a $6 tier	—	12 Nov 2026	Pricing ↗
NextAI Translator Zekai score 7.7Best open source	Open source	Free (self-hosted)	No limit, self-hosted (AGPL-3.0)	Open-source in-page translation extension	$0	14 Nov 2026	Code ↗
LibreChat Zekai score 7.7	Open source	Free (self-hosted)	No limit, self-hosted (MIT)	Self-hosted chat across many providers	$0	14 Nov 2026	Code ↗
Chatbox Zekai score 7.2	Open source	Free (self-hosted)	No limit, self-hosted (GPL-3.0)	Desktop AI client for keys or local models	$0	14 Nov 2026	Code ↗

Every price was read on the vendor's own pricing page on the date shown. The Cost Finder assumes one entry plan per person, so it multiplies by your team size; yearly prices are shown per month, and team or business plans can cost more per seat. "Not checked" means we could not confirm a public price.

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02 · Free plan

Is there a free version of Monica?

Yes. Monica's Free plan costs US$0 and lists 40 accesses to basic models a day (Claude Haiku 5.5, Gemini 3.5 Flash-Lite and GPT-6 Luna) with limited trials of image and video generation, ChatPDF and the AI Agent. Pro is US$8.3 a month billed yearly.

Source: Monica pricing page, read 12 Nov 2026.

Free$0

40 basic-model accesses a day

Paid from$8.3/mo billed yearly

Pro, $99 billed yearly; monthly price not shown (Max $16.6/mo yearly, Ultra $82.9/mo yearly)

03 · Free alternatives

What are the best free Monica alternatives?

MaxAI's Free plan offers unlimited chat on a fast model plus 3 Pro chats a day, and ChatGPT's Free plan lists unlimited text chats with GPT-6. Claude's Free usage resets every 5 hours and weekly. Monica's own Free plan allows 40 basic-model accesses a day, with limited trials of images and agents.

MaxAI

Best free planFree plan + paid

Unlimited free chat on a fast model; 3 Pro chats a day

Paid from $12/mo billed yearly

vs Monica →Zekai review

Merlin

Free plan + paid

Limited access to basic models and 70+ AI tools

Paid from $19/mo billed yearly

vs Monica →

Gemini

Cheapest paidFree plan + paid

Free with a Google Account

Paid from $4.99/mo

vs Monica →Zekai review

Claude

Free plan + paid

Limited usage every 5 hours and every week

Paid from $17/mo billed yearly

vs Monica →Zekai review

ChatGPT

Free plan + paid

Unlimited text chats with GPT-6; limited uploads, images, voice

Paid from $6/mo

vs Monica →Zekai review

04 · Open source

What are the best open-source Monica alternatives?

No open-source project matches Monica's full sidebar. NextAI Translator (AGPL-3.0) is a browser extension for translation, LibreChat (MIT) is a self-hosted multi-provider chat site, and Chatbox (GPL-3.0) is a desktop client. All three need your own API keys, and none reads the open page the way Monica does.

NextAI Translator

AGPL-3.0★ 25k GitHub stars · Sep 2026

To self-host: The repo states a desktop app and a browser extension; you supply your own OpenAI-compatible API key for translation calls.

Zekai open-source page Source code ↗Managed hosting slot

LibreChat

MIT★ 45.1k GitHub stars · Sep 2026

To self-host: The repo states a Docker Compose deployment; you supply provider API keys and a MongoDB database.

Zekai open-source page Source code ↗Managed hosting slot

Chatbox

GPL-3.0★ 41.8k GitHub stars · Sep 2026

To self-host: The repo states a desktop app; add your own provider API keys or connect local models.

Zekai open-source page Source code ↗Managed hosting slot

05 · Side by side

How does Monica compare with each alternative?

Monica Pro lists 5,000 basic and 200 advanced queries a month with 1,500 Advanced Credits. Sider prices Nano at $10 monthly with a cloud computer on higher tiers, MaxAI bills $12 per member, Merlin Pro is $228 a year, Gemini starts at $4.99 and Claude Pro is $17 a month billed yearly.

Monica vs Sider AI

Best overallPaid$8.33/mo billed yearly · checked 12 Nov 20266.9

The differenceSider's page lists Nano at $10 monthly, with Hand (a browser agent), Code and Create, and Lite and higher plans add a dedicated cloud computer with 2 vCPU, 2 GB RAM and 40 GB SSD.

Switch to Sider AI ifyou want an agent that fills forms and researches across real websites on a cloud computer

Stay with Monica ifyou prefer a fixed 5,000 basic and 200 advanced query allowance on a $99 yearly plan

Pros

Consolidates multiple AI tools into one browser interface.
Wisebase creates a searchable library of your research and notes.

Cons

Pricing for premium 'VIP' features is not publicly listed.
The vast number of secondary tools can feel overwhelming.

Pros and cons from the Zekai review of Sider AI · Verdict: Browser-based AI powerhouse.

Visit Sider AI Read the Zekai review Price alert

Monica vs MaxAI

Best free planFree plan + paid$12/mo billed yearly · checked 12 Nov 20266.3

The differenceMaxAI's Free plan gives unlimited chat on a fast model with 3 Pro chats a day, and its Pro plan is billed per member with team member management.

Switch to MaxAI ifyou need per-member billing for a team and unlimited chat on a fast free model

Stay with Monica ifyou want a one-person plan with images, slides and Deep Research agents under one credit pool

Pros

Works on any webpage via Chrome/Edge extension.
Combines multiple leading AI models (o1, GPT, Claude, Gemini) in one tool.

Cons

Advanced models are heavily restricted on the free plan.
Requires a paid plan for any significant daily use.

Pros and cons from the Zekai review of MaxAI · Verdict: Browser AI sidebar

Visit MaxAI Read the Zekai review Price alert

Monica vs Merlin

Free plan + paid$19/mo billed yearly · checked 12 Nov 2026

The differenceMerlin's Pro is billed at $228 a year with unlimited basic-model use and 50x usage on Plus-level models, while its Free plan limits models, tools and extension features.

Switch to Merlin ifyou want unlimited basic-model chat and a long menu of single-purpose AI tools

Stay with Monica ifyou want Monica's slides, Deep Research and Browser Operator agents in the plan

Visit Merlin Price alert

Monica vs Harpa AI

PaidNot checked6.9

The differenceHARPA sells a one-time lifetime plan that connects your own ChatGPT, Claude or Gemini web sessions or API keys, and lists token balances in megatokens per year.

Switch to Harpa AI ifyou want to bring your own API keys or web sessions and pay once for a lifetime licence

Stay with Monica ifyou want hosted model access and image generation without supplying any keys

Pros

Works on any website, providing contextual AI assistance.
Supports multiple leading LLMs, offering flexibility.

Cons

Advanced automation features have a notable learning curve.
Browser-only; no standalone desktop or mobile app.

Pros and cons from the Zekai review of Harpa AI · Verdict: Versatile Browser Copilot

Visit Harpa AI Read the Zekai review Price alert

Monica vs Gemini

Cheapest paidFree plan + paid$4.99/mo · checked 12 Nov 20268.7

The differenceGemini's Google AI Plus is $4.99 a month for 2x the free usage, and AI Pro is $19.99 for 4x; all plans require a Google Account and only use Google models.

Switch to Gemini ifyou want the lowest paid price and already work inside a Google Account

Stay with Monica ifyou want GPT, Claude and Gemini models side by side in one sidebar

Pros

Free access to a highly capable base model
Directly integrated with the Google ecosystem and search

Cons

Outputs require rigorous fact-checking for academic use
Can generate plausible but incorrect information (hallucinations)

Pros and cons from the Zekai review of Gemini · Verdict: Top-Tier Study Partner

Visit Gemini Read the Zekai review Price alert

Monica vs Claude

Free plan + paid$17/mo billed yearly · checked 12 Nov 20269.4

The differenceClaude's Pro includes Claude in Chrome and Microsoft 365 connection, and Max adds 5x Pro usage at $100 a month; every plan uses Anthropic models only.

Switch to Claude ifyou accept one model family and want its Chrome extension bundled with chat and Projects

Stay with Monica ifyou want GPT and Gemini models selectable in the same sidebar

Pros

Excellent at summarizing and analyzing long, complex documents.
Generates high-quality, natural-sounding educational content.

Cons

Free tier has usage limits that reset every few hours, which can interrupt workflow.
Lacks built-in DALL-E style image generation capabilities.

Pros and cons from the Zekai review of Claude · Verdict: Deep Document Analysis

Visit Claude Read the Zekai review Price alert

Monica vs Microsoft Copilot

Paid$19.99/mo · checked 12 Nov 20266.8

The differenceMicrosoft 365 Premium lists Copilot with Office apps at $19.99 a month, Personal from $9.99 and Family at $12.99; it is an Office bundle rather than a browser sidebar.

Switch to Microsoft Copilot ifyou already pay for Office apps and want Copilot included in the same subscription

Stay with Monica ifyou only need a page-aware browser sidebar with several vendors' models

Pros

Free version is highly capable for many tasks
Extremely easy to use with no learning curve

Cons

Not specialized for professional writing or translation workflows
Lacks advanced features like style guides or terminology management

Pros and cons from the Zekai review of Microsoft Copilot · Verdict: Powerful Generalist AI

Visit Microsoft Copilot Read the Zekai review Price alert

Monica vs ChatGPT

Free plan + paid$6/mo · checked 12 Nov 20269.3

The differenceChatGPT's Free plan gives unlimited text chats with GPT-6, and the Go plan at $6 a month may include ads; it runs in the ChatGPT app, not as a page sidebar.

Switch to ChatGPT ifyou want OpenAI models only and a $6 entry plan for everyday chat

Stay with Monica ifyou want an assistant that sits beside the open tab and summarises it in place

Pros

ChatGPT's context understanding enables Marketing & Content Creation teams to generate high-quality content that resonates with their audience.
The tool's conversation flow and memory features allow for seamless content iteration and refinement.

Cons

The lack of explicit brand voice and tone guidance may require additional setup and fine-tuning for Marketing & Content Creation teams.
ChatGPT's limitations in handling extremely complex or niche topics may necessitate additional research and editing.

Pros and cons from the Zekai review of ChatGPT

Visit ChatGPT Read the Zekai review Price alert

Monica vs NextAI Translator

Best open sourceOpen sourceFree (self-hosted)7.7

The differenceNextAI Translator is an AGPL-3.0 browser extension and desktop app for ChatGPT-powered translation, covering one Monica function rather than chat, agents and image tools.

Switch to NextAI Translator iftranslating selected text is your main use and you accept AGPL code with your own key

Stay with Monica ifyou need summaries, ChatPDF and agents in the same sidebar

Visit NextAI Translator Read the Zekai review Price alert

Monica vs LibreChat

Open sourceFree (self-hosted)7.7

The differenceLibreChat is an MIT-licensed self-hosted chat site that connects several providers with agents and MCP, but it is a web app you open, not an extension on top of the page.

Switch to LibreChat ifyou want to host multi-model chat yourself and control where conversations are stored

Stay with Monica ifyou want a sidebar that reads the current page without hosting a server

Visit LibreChat Read the Zekai review Price alert

Monica vs Chatbox

Open sourceFree (self-hosted)7.2

The differenceChatbox is a GPL-3.0 desktop client for several providers and local models; it runs as a separate window, so it does not read the open browser tab.

Switch to Chatbox ifyou want a free desktop client using your own keys or local models

Stay with Monica ifyou want the assistant inside the browser reading the tab you have open

Visit Chatbox Read the Zekai review Price alert

06 · What changed

Why do people leave Monica?

2 Jan 2026
Monica's Advanced Credit rules, effective 2 January 2026, give Pro 1,500, Max 4,500 and Ultra 20,000 credits a month, with Free users getting none; extra packs start at 4,000 credits for US$10. (source)
12 Nov 2026
Monica's pricing page shows Max at US$16.6 a month billed yearly (US$199, struck through from US$299) under a Flash Sale 33% label, so list prices can move. (source)

08 · FAQ

Questions people ask about Monica alternatives

What is the best alternative to Monica in 2027?

Sider AI is the best overall Monica alternative on this page ($8.33/mo billed yearly). For no cost, MaxAI has a free plan (Unlimited free chat on a fast model; 3 Pro chats a day). To self-host, NextAI Translator is open source (AGPL-3.0).

Is there a free version of Monica?

Yes. Monica has a free plan: 40 basic-model accesses a day. Paid plans start at $8.3/mo billed yearly, checked on 12 Nov 2026.

Is there a 100% free alternative to Monica?

Yes. NextAI Translator, LibreChat, Chatbox are open source and free to self-host. MaxAI, Merlin, Gemini, Claude, ChatGPT have a free plan with limits, shown in the table.

What is cheaper than Monica?

Gemini starts at $4.99/mo, against $8.3/mo billed yearly for Monica, as listed on each vendor's pricing page on 12 Nov 2026.

How much do Monica alternatives cost for a team of 5?

If each of 5 people buys the entry paid plan, at the prices Zekai checked on 12 Nov 2026, the monthly cost is Gemini $24.95/mo, ChatGPT $30/mo, Sider AI $41.65/mo, against Monica $41.50/mo for Monica. Team and business plans can cost more per seat. The Zekai Cost Finder on this page recalculates for any team size.

Which is better, Sider AI or Monica?

Sider's page lists Nano at $10 monthly, with Hand (a browser agent), Code and Create, and Lite and higher plans add a dedicated cloud computer with 2 vCPU, 2 GB RAM and 40 GB SSD. Choose Sider AI if you want an agent that fills forms and researches across real websites on a cloud computer. Stay with Monica if you prefer a fixed 5,000 basic and 200 advanced query allowance on a $99 yearly plan.

Why are people leaving Monica?

The documented reasons are: Monica's Advanced Credit rules, effective 2 January 2026, give Pro 1,500, Max 4,500 and Ultra 20,000 credits a month, with Free users getting none; extra packs start at 4,000 credits for US$10 (2 Jan 2026); Monica's pricing page shows Max at US$16.6 a month billed yearly (US$199, struck through from US$299) under a Flash Sale 33% label, so list prices can move (12 Nov 2026). Each is sourced in the section above.

What are the best Monica AI alternatives?

Sider AI is the closest sidebar with a browser agent, MaxAI suits teams that want per-member billing and a free plan, and Gemini or Claude fit if you prefer one vendor's own assistant.

09 · Method

How did Zekai check this page?

Zekai independently reviews AI tools. For this page we read each vendor's own pricing and product pages and recorded the starting price, the free-plan limit and the date of the check. Only tools that do the same job as Monica are listed, and sponsors never change the order or the scores.

Mehmet Elmicenni

Founder of Zekai. Reviews the alternatives pages and the price checks behind them.

About the founder · How Zekai scores tools

JSON copy Markdown copy

1 · Same job onlyEvery alternative does the same task as Monica; tools for other jobs are left out.

2 · Vendor pages onlyPrices and free limits come from each vendor's own pricing page, never from blogs.

Zekai score0–10, from four published weights: ease 25%, output quality 30%, value 20%, time saved 25%. How we score

3 · Re-checkedA price older than 35 days is re-read or the page falls back to an older version.

Change log

12 Nov 2026
Page rebuilt on v6; all prices re-read on vendor pages.

11 best Monica alternatives in 2027

Sider AI

MaxAI

NextAI Translator

Which Monica alternatives are worth it in 2027?

Know first when Monica or an alternative changes price

Your tool here

Is one of these tools yours?

Is there a free version of Monica?

What are the best free Monica alternatives?

MaxAI

Merlin

Gemini

Claude

ChatGPT

What are the best open-source Monica alternatives?

NextAI Translator

LibreChat

Chatbox

How does Monica compare with each alternative?

Monica vs Sider AI

Monica vs MaxAI

Monica vs Merlin

Monica vs Harpa AI

Monica vs Gemini

Monica vs Claude

Monica vs Microsoft Copilot

Monica vs ChatGPT

Monica vs NextAI Translator

Monica vs LibreChat

Monica vs Chatbox

Why do people leave Monica?

More comparisons for Browser AI sidebar / extension

Questions people ask about Monica alternatives

What is the best alternative to Monica in 2027?

Is there a free version of Monica?

Is there a 100% free alternative to Monica?

What is cheaper than Monica?

How much do Monica alternatives cost for a team of 5?

Which is better, Sider AI or Monica?

Why are people leaving Monica?

What are the best Monica AI alternatives?

How did Zekai check this page?