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Julius AI vs Undermind

Features, pricing, ratings, and pros and cons, side by side.

Julius AI logo

Julius AI

AI data analyst that runs Python on your spreadsheets and databases to produce charts

Freemium
Visit websiteView details
Undermind logo

Undermind

AI research assistant that searches, reads and cites scientific papers for literature reviews

Freemium
Visit websiteView details

Verdict

Julius AI and Undermind are both AI Assistants tools. Julius AI scores higher in FinderAtlas's editorial review (8.1 vs 7.7 out of 10), led by ease of use. Both have a free plan or trial. Only Julius AI is available on iOS.

Best overall

Julius AI

  • Business analysts
  • Students and researchers
  • Finance and operations teams
  • Small business owners

Choose Julius AI if

  • You want a tool built for analyzing spreadsheets without coding.
  • Runs executed Python code on uploaded data rather than only describing answers.
  • Builds exportable charts from plain-language requests.

Choose Undermind if

  • You want a tool built for deep literature reviews, finding hard-to-surface papers on a niche topic, and tracking new publications in a field.
  • Built specifically for scientific literature, with citation-following and full-text reading.
  • In-line citations let users trace claims to source papers.
Best for beginners
Julius AI
Best for business
Julius AI

Features

17 features compared.

  • Python Data Sandbox
    Julius AI
    Available
    Undermind
    Not available
  • Chart and Graph Generation
    Julius AI
    Available
    Undermind
    Not available
  • Spreadsheet Upload
    Julius AI
    Available
    Undermind
    Not available
  • Database Connectors
    Julius AI
    Available
    Undermind
    Not available
  • Notebooks
    Julius AI
    Available
    Undermind
    Not available
  • Statistical Modeling
    Julius AI
    Available
    Undermind
    Not available
  • Math Helper
    Julius AI
    Available
    Undermind
    Not available
  • Custom Agents and Scheduled Runs
    Julius AI
    Available
    Undermind
    Not available
  • Conversational Deep Search
    Julius AI
    Not available
    Undermind
    Available
  • Citation Trail Following
    Julius AI
    Not available
    Undermind
    Available
  • Cited Reports
    Julius AI
    Not available
    Undermind
    Available
  • Full-Text Analysis
    Julius AI
    Not available
    Undermind
    Available
  • Custom Tables
    Julius AI
    Not available
    Undermind
    Available
  • Relevance Sorting and Filtering
    Julius AI
    Not available
    Undermind
    Available
  • New Paper Alerts
    Julius AI
    Not available
    Undermind
    Available
  • Workspaces and Libraries
    Julius AI
    Not available
    Undermind
    Available
  • Agent Connections
    Julius AI
    Not available
    Undermind
    Available

Pricing

Plans as listed by each vendor. Check their sites for current prices.

  • Pricing model
    Julius AI
    Freemium
    Undermind
    Freemium
  • Free plan
    Julius AI
    Yes
    Undermind
    Yes
  • Starting price
    Julius AI
    $0
    Undermind
    $0
  • Plans
    Julius AI
    5 plans
    Undermind
    4 plans

Julius AI plans

  • Free

    $0

    Small allowance with lighter models

    • Daily credit allowance
    • Julius Lite models
    • Google Drive connector

  • Plus

    $20/month

    Single seat with frontier models

    • Frontier models
    • Unlimited charts
    • 1 seat

  • Pro

    Most popular

    $45/month

    Larger context and memory for one user

    • All models
    • Expanded context window
    • 32 GB RAM
    • Notebooks
    • Priority email support

  • Business

    $450/month

    Team plan with database connectors

    • Postgres
    • BigQuery and Snowflake connectors
    • Custom Agents
    • Scheduled runs
    • Centralized billing
    • SOC 2 Type II

  • Enterprise

    Custom/custom

    Contact sales

    • SSO
    • Audit logs
    • Role-based permissions
    • Tailored onboarding

Undermind plans

  • Free

    $0

    Exploratory research with standard usage limits

    • Chat
    • deep searches and reports
    • shared workspaces
    • connect external agents
    • standard usage limits

  • Pro

    Most popular

    $16/month

    Ongoing, serious research

    • Everything in Free
    • newest AI models
    • deeper full-text analysis
    • 10x higher usage limits than Free
    • unlimited workspaces
    • files and paper libraries

  • Team

    $15/user/mo

    Research groups that need shared administration

    • Everything in Pro
    • team member management
    • priority support
    • centralized billing

  • Enterprise

    Custom/custom

    Organizations with security and compliance needs

    • Everything in Team
    • increased compute
    • organization-wide login
    • onboarding seminars
    • admin dashboard
    • custom terms
    • SLA and security review
    • dedicated support

Our ratings

Scored out of 10 by the Finder Atlas editorial team. Last reviewed October 2026.

Julius AI
8.1overall
Undermind
7.7overall

Julius AI leads in 1 category and Undermind in 1.

  • Python Data Analysis

    Julius AI
    8.6
    Undermind
    Not rated

  • Chart & Plot Generation

    Julius AI
    8.4
    Undermind
    Not rated

  • Ease of Use

    Julius AI leads by 0.5
    Julius AI
    8.5
    Undermind
    8.0

  • Data Connectivity

    Julius AI
    7.8
    Undermind
    Not rated

  • Value for Money

    Undermind leads by 0.8
    Julius AI
    7.0
    Undermind
    7.8

  • Feature Depth

    Julius AI
    Not rated
    Undermind
    8.2

  • Performance & Speed

    Julius AI
    Not rated
    Undermind
    7.5

  • Documentation & Support

    Julius AI
    Not rated
    Undermind
    7.0

Scores weigh documented features, plan value, platform coverage, integrations and user feedback. A missing score means we have not rated that area yet.

Pros and cons

Julius AI

Pros

  • Runs executed Python code on uploaded data rather than only describing answers
  • Builds exportable charts from plain-language requests
  • Connects to PostgreSQL, Snowflake and BigQuery on paid plans
  • Starts at $20 per month, with a free plan to try it
  • Has an iOS app as well as the web app

Cons

  • Free allowance is small and has been reduced over time
  • Plans, credits and names changed several times in 2026, which makes costs hard to predict
  • Business costs $450 per month
  • No public API is confirmed, and no Android or desktop app was found

Undermind

Pros

  • Built specifically for scientific literature, with citation-following and full-text reading.
  • In-line citations let users trace claims to source papers.
  • Free tier available, with paid Pro at $16 per month billed annually.
  • Alerts and libraries support ongoing tracking of a field, not just one-off searches.
  • Can be connected to Claude, ChatGPT and other agents.

Cons

  • Exact usage limits are not published; Pro is only described as 10x Free.
  • Not designed for general web research, news or non-technical topics.
  • Web-only; no iOS or Android app was found.
  • Published benchmark results are vendor-reported.

Platforms

  • Web
    Julius AI
    Supported
    Undermind
    Supported
  • Windows
    Julius AI
    Not supported
    Undermind
    Not supported
  • macOS
    Julius AI
    Not supported
    Undermind
    Not supported
  • iOS
    Julius AI
    Supported
    Undermind
    Not supported
  • Android
    Julius AI
    Not supported
    Undermind
    Not supported
  • API
    Julius AI
    Not supported
    Undermind
    Not supported
  • Browser Extension
    Julius AI
    Not supported
    Undermind
    Not supported

Integrations

Julius AI

5 integrations
  • Google Sheets
  • Google Drive
  • PostgreSQL
  • Snowflake
  • BigQuery

Undermind

2 integrations
  • Claude
  • ChatGPT

Company

  • Company
    Julius AI
    Julius AI
    Undermind
    Undermind
  • Founded
    Julius AI
    2022
    Undermind
    Not listed
  • Headquarters
    Julius AI
    San Francisco, CA
    Undermind
    Not listed
  • Monthly users
    Julius AI
    2M+
    Undermind
    Not listed
  • Listing
    Julius AI
    Claimed
    Undermind
    Claimed

Frequently asked questions

Is Julius AI better than Undermind?

It depends on your workflow. Julius AI is built for analyzing spreadsheets without coding. Undermind is built for deep literature reviews, finding hard-to-surface papers on a niche topic, and tracking new publications in a field.

What are the key feature differences between Julius AI and Undermind?

Julius AI: AI data analyst that runs Python on your spreadsheets and databases to produce charts. Undermind: AI research assistant that searches, reads and cites scientific papers for literature reviews.

Does Julius AI or Undermind have a free plan?

Yes, both do. Julius AI is freemium and Undermind is freemium, and each has a free plan or trial.

Which is cheaper, Julius AI or Undermind?

Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.