Data Notebooks · Reviewed 26 Oct 2026

CoCalc

Collaborative computational workspace with AI agents, notebooks, and Linux terminals.

free tier · cocalc.ai ↗

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CoCalc at a glance

Overview

01

Summary

The useful answer before the supporting detail.

CoCalc is a web-based platform for collaborative computational work, providing persistent projects with files, notebooks, terminals, and integrated AI agents S1. It serves researchers, educators, and technical teams who need shared, reproducible environments for experiments, courses, and long-lived projects S1. Its main value is keeping work, context, and collaboration together in one durable workspace, avoiding dependence on a single laptop or chat window S1.

02

Product identity and positioning

Name, category, positioning, audience, and first-party claims.

  • Identity: CoCalc is a collaborative computational workspace with integrated AI agents S1.
  • Core purpose: It solves the problem of technical work being trapped in isolated environments or chat contexts S1.
  • Intended users: Individual researchers, collaborative groups, educators, and organizations with governance needs S1.
  • Product scope: A web application with persistent projects, notebooks, terminals, and agent tools; also available as self-hosted CoCalc Star S6 S13.
  • Positioning: CoCalc positions itself as an agent platform where agents work alongside teams in shared projects S1.
  • Claimed distinction: It emphasizes persistent, shared, inspectable environments over API-managed sandboxes S25.
03

Use cases and audiences

Who the product serves and the jobs it is designed to handle.

AudiencePractical use case
Individual researchersRun experiments, papers, and long-lived computational projects in a persistent environment S1.
Educators and instructorsManage assignments, grading, and live help for technical courses S6 S1.
Universities and laboratoriesDeploy consistent environments with governance and collaboration support S1.
Technical teamsUse shared projects for reproducible research and engineering work S1 S13.

Features

09

Features and capabilities

Core functions and evidence-backed product capabilities.

CapabilityWhat it does
Persistent projectsProvides a durable Linux workspace with files, terminals, and services that persist across sessions S87 S6.
Jupyter notebooksRuns collaborative notebooks with cell chat, TimeTravel history, and course workflows S39 S6.
LaTeX editorEnables real-time collaborative LaTeX editing with PDF preview and anchored discussions S40.
AI agentsIntegrates Codex and AI modelCode (experimental) to work with project files and live notebook state S17 S6.
CLI and APIOffers a CLI and HTTP API for automating project and computation tasks S21.
Course managementSupports assignments, grading, and live help for technical courses S6.
Remote kernelsAllows connecting to remote Jupyter kernels over SSH for dedicated compute S6 S17.
10

Integrations and ecosystem

Connected products, exports, APIs, and workflow compatibility.

Integration or interfaceTypeWhat it enables
CodexAI integrationWorks with project files, terminals, and live notebook state through project chat S17.
AI modelCodeAI integration (experimental)Allows using AI modelCode with a personal AI modelPro or Max subscription S6 S17.
HTTP APIAPIProvides a documented way to reach projects and computations directly S21.
CoCalc CLICLIAutomates project, file, and notebook tasks from within projects S21 S6.
SSHIntegrationConnects to cocalc.ai projects from a computer or another project S87.
Remote Jupyter kernelIntegrationConnects a notebook to an existing machine over SSH S6 S17.

Pricing

11

Pricing and plans

Published plans, free access, trials, credits, and pricing limitations.

Plan or offerVerified price and billingIncludedLimits
Free$0 S1Just enough resources to explore and do basic work S1Lowest CPU priority; shared hosts S1
Basic$6 per user per month, billed annually S1Research allowance not published S14 GB RAM and 8 GB disk per project; 10 owned and 2 running projects S1
Standard$18 per user per month, billed annually S1Research allowance not published S18 GB RAM and 16 GB disk per project; 20 owned and 5 running projects S1
Pro$150 per user per month, billed annually S1Research allowance not published S116 GB RAM and 50 GB disk per project; 250 owned and 50 running projects S1

Competition

12

Competitive landscape

Domains competing for the same organic search demand.

Sampled competitors

CompetitorFirst-page appearancesSampled queriesAverage positionQueries observed
jupyter.org111jupyter notebook online
nextleap.app112jupyter notebook online
reddit.com114jupyter notebook online
cocalc.cs.wallawalla.edu115cocalc
jupyterlite.readthedocs.io115jupyter notebook online
linkedin.com116cocalc
my.newtonschool.co116jupyter notebook online
sagemath.org117cocalc
doc.cocalc.com119cocalc

Website intelligence — Collected evidence

Customers, testimonials, and first-party review claims

No supporting public-page evidence was collected for this category.

Independent review sources discovered

No links to supported independent review platforms were discovered on the collected pages.

14

AI visibility

Measured ChatGPT and Google AI mentions with cited sources.

AI-assistant referral traffic

  • Estimated current generative-AI referral share: 1.7%
MonthSource
—All AI assistants
—All AI assistants

Website intelligence — Collected evidence

Site-stated AI capabilities

Page typeEvidenceSource
otherCoCalc helps people and teams build and use software with AI. Agents work in shared Linux projects with your files, notebooks, terminals, and collaborators.https://cocalc.ai/
featuresThis error was reported automatically. If reloading does not recover or this happens repeatedly for a specific file or action, please add those details to a support ticket, email help@cocalc.ai, or consult our other support resources.https://cocalc.ai/features
featuresThis error was reported automatically. If reloading does not recover or this happens repeatedly for a specific file or action, please add those details to a support ticket, email help@cocalc.ai, or consult our other support resources.https://cocalc.ai/features/ai
featuresCodex guideResearch computeCompare with agent sandboxesWhere to run CoCalcContact supporthttps://cocalc.ai/features/ai
featuresThis error was reported automatically. If reloading does not recover or this happens repeatedly for a specific file or action, please add those details to a support ticket, email help@cocalc.ai, or consult our other support resources.https://cocalc.ai/features/api
featuresCLI documentationAPI documentationAsk about API integrationContact supporthttps://cocalc.ai/features/api
featuresThis error was reported automatically. If reloading does not recover or this happens repeatedly for a specific file or action, please add those details to a support ticket, email help@cocalc.ai, or consult our other support resources.https://cocalc.ai/features/compare
featuresThis error was reported automatically. If reloading does not recover or this happens repeatedly for a specific file or action, please add those details to a support ticket, email help@cocalc.ai, or consult our other support resources.https://cocalc.ai/features/exam-scratchpads
featuresThis error was reported automatically. If reloading does not recover or this happens repeatedly for a specific file or action, please add those details to a support ticket, email help@cocalc.ai, or consult our other support resources.https://cocalc.ai/features/julia
featuresThis error was reported automatically. If reloading does not recover or this happens repeatedly for a specific file or action, please add those details to a support ticket, email help@cocalc.ai, or consult our other support resources.https://cocalc.ai/features/jupyter-notebook
featuresCoCalc's notebooks support both automatic and manual grading via nbgrader. The teacher's notebook contains exercise and test cells; students run some of them for immediate feedback. After collecting assignments, instructors run the autograder and review the results. The course's nbgrader settings choose whether grading runs in student projects or a selected grading project; see the nbgrader workflow.https://cocalc.ai/features/jupyter-notebook
featuresThat means AI help starts from the real state of your analysis, not from guessing what a stale file might have produced.https://cocalc.ai/features/jupyter-notebook
featuresOpen a hosted notebook on CoCalc.ai and bring your team into the same workspace.https://cocalc.ai/features/jupyter-notebook
featuresThis error was reported automatically. If reloading does not recover or this happens repeatedly for a specific file or action, please add those details to a support ticket, email help@cocalc.ai, or consult our other support resources.https://cocalc.ai/features
featuresStart on CoCalc.aiExplore AI agentshttps://cocalc.ai/features
features](/features/ai)[https://cocalc.ai/features
featuresThis error was reported automatically. If reloading does not recover or this happens repeatedly for a specific file or action, please add those details to a support ticket, email help@cocalc.ai, or consult our other support resources.https://cocalc.ai/features/ai
featuresAI Agents in CoCalchttps://cocalc.ai/features/ai
featuresAI agents in persistent projectshttps://cocalc.ai/features/ai
featuresThis error was reported automatically. If reloading does not recover or this happens repeatedly for a specific file or action, please add those details to a support ticket, email help@cocalc.ai, or consult our other support resources.https://cocalc.ai/features/api

These are first-party product claims, not independent measurements of AI-search visibility.

15

Marketing opportunities

Actions calculated directly from the collected evidence.

OpportunityRecommended actionEvidence
Competitor gap1 first-page appearances across jupyter notebook online

Website intelligence — Collected evidence

Website evidence gaps

  • integrations: no usable public page was collected; verify whether the site publishes this evidence.
  • customers: no usable public page was collected; verify whether the site publishes this evidence.
  • reviews: no usable public page was collected; verify whether the site publishes this evidence.
  • changes: no usable public page was collected; verify whether the site publishes this evidence.
  • identity: no usable public page was collected; verify whether the site publishes this evidence.
  • technical: no usable public page was collected; verify whether the site publishes this evidence.

Trust and proof

16

Customers, proof, and reviews

Published proof, customer signals, and review evidence.

Independent reviews

No citation-grounded independent review links were found.

Customer proof

No named customers, testimonials, or customer case studies were found.

Independent mentions

  • Announcing: CoCalc+ --- early alpha version · sagemathinc/cocalc · Discussion #8651 · GitHub — AI support, which was a significant amount of work to add. To configure AI, click on the settings icon in the UPPER RIGHT, then click on "AI" and paste in a key and click ... . You might need to refresh your browser, but you'll get full AI integration for
  • Build and Use Software with AI / CoCalc — # Build and use software with AI. Agents work in a shared project with your files, software, and collaborators. Open what they save, or take over the work yourself. - Codex and AI modelCode in one project - Collaborators see edits live - Restore earlier versions ... Use the integrated Codex agent or AI modelCode, or run other command-line agents in project terminals, all with the files, tools, and running services your collaborators already use. AI modelCode is an experimental preview on sites that
  • CoCalc Features / CoCalc — CoCalc Features / CoCalc ... # Agents, software, and compute in one project. ... See what you can use in a CoCalc project: Codex agents, the CoCalc CLI, installed software, compute options, and tools such as Jupyter, LaTeX, R, Julia, and SageMath. - ## Work with agents ... Ask Codex, or AI modelCode (experimental preview) with your personal AI modelPro or Max subscription, to build or use software. What it makes stays in the project, where you can open the files and the terminal yourself. - ## Run
  • sagemathinc/cocalc-ai — CoCalc Plus: a local, single-user CoCalc runtime - CoCalc Launchpad: a multi-user CoCalc with project hosts - CoCalc CLI: the operator and agent CLI used to drive projects, browsers, workspaces, and automation - `CoCalc Rocket
  • Online Python Environment / CoCalc — Use Python online with Jupyter notebooks, scripts, terminals, and web apps. Select and verify the environment used by each tool; use compatible hosted GPU resources where available. ... , and VS Code. Choose an environment and available compute for your
  • CoCalc by SageMath, Inc. — Keep the work behind the result within reach: source files, data, tools, compute, history, and collaborators. Inspect the details when you need to, continue where you left off, and build systems you can reuse
  • Watch for events with sensors - Documentation / CoCalc — : CoCalc's own one-shot checks that an agent sets for itself (for example "wake me when the CI checks on this pull request ... or "run this build in a terminal and wake me when it exits"). They need no approval; they wake the agent once
  • AI Assistant — CoCalc Manual documentation — CoCalc does NOT have any automatic/background communication with LLMs. Your code, requests ... and documents are sent to LLMs ONLY when you explicitly ask for it. Our ... your work to the chosen LLM, but you have full control over it and can preview what

External links were grounded in one live web search. Search snippets are leads, not independently scraped page content; rejected links remain available in Review evidence.

17

Company, security, and trust

Ownership, policies, security signals, and public trust evidence.

SignalFindingSource
Company and ownershipWilliam Stein, Founder and CEOsource
Contact and supportThis error was reported automatically. If reloading does not recover or this happens repeatedly for a specific file or action, please add those details to a support ticket, email help@cocalc.ai, or consult our other suppsource
Legal and privacyPrivacy policy Terms of servicesource
Security and complianceSOC 2 Independent security auditsource
Uptime and status pageNot published on the collected pages.—
Domain registered2023-04-25—
Domain expires2027-04-25—

Not found on the collected pages: uptime and status page. This only means Scout did not find it on the pages it read; it says nothing about the company itself.

18

Documentation and product updates

Help resources, product guidance, and visible changes over time.

Resource or updateTypeWhat is availableDate or freshness
CoCalc Documentation / CoCalcDocumentationBrowse CoCalc documentation for projects, files, notebooks, terminals, teaching, account management, and administration. (source)Not dated

Not found in the collected public sources: public roadmap, changelog or release notes, status page, separate help center or knowledge base.

Technical

19

Technical and delivery signals

Delivery model, platforms, API, data ownership, reliability claims and release activity.

SignalFindingSource
Delivery model (cloud, self-hosted, desktop, browser extension)Offered as hosted CoCalc.ai or self-hosted CoCalc Star S13.S13
Platforms and appsWeb-based; runs in a browser S6.S6
API and extensibility (API, SDK, webhooks, MCP, plugins)Provides a CLI and HTTP API for automation S21.S21
Data ownership and exportFiles are securely stored on CoCalc servers S6.S6
Performance and reliability claimsNot published on the collected pages.—
Release activityNot published on the collected pages.—
20

Measured infrastructure

Domain, certificate, and hosting signals, measured directly.

SignalFinding
Domain registered2023-04-25 — NameCheap, Inc.
Domain expires2027-04-25
First archived2026-07-17 — web archive
TLS certificateGoogle Trust Services, valid, expires 2026-12-17
Security headersX-Content-Type-Options, Referrer-Policy
Headers not servedHSTS, CSP, X-Frame-Options
Server headercloudflare
Mail handled bysmtp.google.com
Nameserverscandy.ns.cloudflare.com, rajeev.ns.cloudflare.com
21

Technical site audit

A bounded multi-page crawl with page-level issues and URLs.

Scout — Bounded technical crawl

  • Pages crawled: 15 of 15 maximum
  • Technical health: 98/100
  • Critical issues: 0
  • Warnings: 3
  • Notices: 6

Issues

SeverityIssueValueAffected URL
noticeLow visible word count123https://cocalc.ai/
warningPage should have one primary H10https://cocalc.ai/auth/sign-up
noticePage is marked noindex—https://cocalc.ai/auth/sign-up
noticeLow visible word count0https://cocalc.ai/auth/sign-up
noticeMeta description length should be reviewed14https://cocalc.ai/features/compare
noticeLow visible word count84https://cocalc.ai/support
warningPage should have one primary H10https://cocalc.ai/news
noticeLow visible word count0https://cocalc.ai/news
warningTitle length should be reviewed69<https://cocalc.ai/docs/ai/AI modelcode>

Crawled pages

StatusTitleH1sWordsResponseURL
200Build and Use Software with AI \CoCalc112370 ms
200Create your CoCalc account \CoCalc00130 ms
200AI Agents \CoCalc1168132 ms
200CoCalc vs AI Agent Sandboxes \CoCalc1276131 ms
200CoCalc Features \CoCalc1698132 ms
200Where to run CoCalc \CoCalc133369 ms
200CoCalc.ai Pricing and Licensing \CoCalc1398122 ms
200CoCalc Documentation \CoCalc11984125 ms
200CoCalc Guides \CoCalc130370 ms
200CoCalc Support \CoCalc184104 ms
200About CoCalc \CoCalc1482107 ms
200CoCalc News \CoCalc00106 ms
200Open Codex chat - Documentation \CoCalc1326107 ms
200AI modelCode in CoCalc (Experimental Preview) - Documentation \CoCalc1272294 ms
200Online Linux Terminal \CoCalc131992 ms

This is a bounded Scout crawl. Core Web Vitals and Lighthouse scores are not claimed unless a dedicated performance audit is connected.

22

Search Console and Analytics

First-party search and behavioral data connection state.

Modeled acquisition channels

ChannelEstimated share
direct54.0%
search34.3%
search organic34.3%
search paid0.0%
social1.6%
social organic1.6%
social paid0.0%
referrals5.8%
paid referrals0.1%
mail2.5%
gen ai1.7%
affiliate0.0%
other0.0%

First-party connections

IntegrationStatusData available after connection
Google Search ConsoleNot connectedClicks, impressions, CTR, average position, queries, pages, countries, and devices
Google AnalyticsNot connectedOrganic sessions, engagement, landing pages, conversions, geography, and devices

No first-party Search Console or Analytics numbers are shown until the site owner authorizes the corresponding Google account. Scout traffic model values above are modeled estimates, not private analytics totals.

Limits and method

23

Limitations and open questions

Known constraints and missing evidence from the collected pages.

The collected pages do not mention specific competitors by name. Evidence gaps include lack of customer testimonials, independent reviews, security certifications, uptime status, and release history. Pricing details for research allowances are not published. The comparison with agent sandboxes is generic and does not name specific products S25.

24

Sources, method, and limitations

Evidence inventory, collection method, provider use, and constraints.

This report is based on 15 collected pages from cocalc.ai, including product, feature, and documentation pages, plus an authoritative pricing table. The collector used static and browser rendering rendering; external proof search was enabled but only one search was performed. Limitations: no third-party reviews or customer evidence were collected, and some pages may have been incomplete.

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