Antispace
1 known investors
Antispace provides AI assistants with distinct personalities that handle emails, calendar, research notes, and to-do tasks, and can predict and execute actions across a user's data. It lets users query their emails, notes, and docs and trigger agent actions, using a coordination of finetuned and frontier models.
Also known as Antispace AI Β· Antispace.sh
Investors Β· 1
Company profile
researched Aug 2026Antispace markets itself as an AI operating system (AIOS) that turns user intent into executed actions across everyday work tools. Users install AI "sidekicks" or characters with distinct personalities that operate over email, calendar, research notes, to-dos and search, and can be customized with additional tools, personality settings, action styles and persistent memory. The product presents a command-center interface intended to let users query their own emails, notes and documents and trigger agent actions with a single click, and it can predict and coordinate actions across connected data rather than requiring users to act app-by-app.
The system routes tasks across multiple underlying models rather than a single provider, selecting a model per task from a set that the company lists as including Anthropic Claude 3.7 Sonnet, Meta Llama 3.3 70B and Llama 3.1 8B, OpenAI GPT-o1, o3 mini and GPT-4o mini, and Perplexity Sonar and Sonar Pro. Third-party listings describe the product as connecting a user's tools into one workspace through an evolving heads-up display, with the assistant learning and remembering user preferences, and note Gmail access limited to required scopes plus industry-standard encryption. The company site also advertises a developer-facing "App Lab" and documentation alongside the consumer app.
Antispace states that it does not allow user data to be used to train OpenAI, Anthropic or other model providers, that data is not used for advertising, and that it holds CASA Tier 2 certification.
Business model
The product is offered directly to individual knowledge workers as a self-service application with free account sign-up; the site states Antispace is "completely free, for now" and that no data will be used for advertising, so no paid tiers or pricing are published. A billing support contact address is listed, and the site promotes an App Lab and developer documentation alongside the consumer app.
Traction
The company's site reports 6,345+ commands executed, 1,700+ characters built and claims 15+ hours freed weekly per user. On Product Hunt the product has 523 followers, two launches (January 2024 and August 2024) with 61 and 39 reviews/upvote counts respectively as displayed, and a 5.0 rating from two reviews.
Latest developments
The website now lists an App Lab (marked new), a Characters section with community-created assistants, documentation, a blog and open roles, and cites CASA Tier 2 certification. The public aios repository was last updated in June 2025.
βΈFull profile β market position, technology, go-to-market, geography, history, risks & controversies
Market position
Positioned as an AI operating system for productivity, a category that directory listings group with other AI-OS and agent-OS products such as Mainframe, Deta Space, /dev/agents, Invisibility and Humane CosmOS. Product Hunt lists comparable products including Trace, Den, Routine and Hoop.
Antispace emphasizes installable AI characters with distinct personalities and configurable action styles, cross-tool action prediction and execution rather than chat-only assistance, per-task dynamic model selection across several vendors from a single interface, and privacy commitments including no provider training on user data, no advertising use and CASA Tier 2 certification.
Technology
Antispace coordinates fine-tuned and frontier models, dynamically selecting a model per task from a published roster spanning Anthropic (Claude 3.7 Sonnet), Meta (Llama 3.3 70B, Llama 3.1 8B), OpenAI (GPT-o1, GPT-o3 mini, GPT-4o mini) and Perplexity (Sonar, Sonar Pro), with context windows from 127k to 200k tokens. The system combines model output with web/internet retrieval and connected user data (mail, calendar, notes) to predict and execute actions, and supports user-configurable tools, personalities, action styles and long-lived memory. Third-party descriptions add an evolving heads-up-display interface and Gmail integration using scoped access and standard encryption. A public GitHub organization, Antispace-AI, hosts an "aios" repository (16 stars, last updated June 2025) and a placeholder npm package repository.
Go-to-market
Self-serve, product-led distribution through a free web app, supported by a community of user-built AI characters and launches on Product Hunt: "Action oriented AI: translate human thoughts into actions" in January 2024 and "Artificially intelligent OS that gamifies work" in August 2024. The Product Hunt product page shows 523 followers and two reviews averaging 5.0.
Individual professionals and knowledge workers seeking to automate email, calendar, note and task workflows; the company cites users at Apple, OpenAI, Perplexity, Vercel and Google.
Geography
Not disclosed; the service is delivered as a web application. The domain antispace.sh is registered through a privacy service based in Iceland, with WHOIS ownership details redacted.
History
The antispace.sh domain was registered on 2023-09-01. Antispace made its first Product Hunt launch on 2024-01-13 with an action-oriented AI command center for Mail, Calendar, Notes, Slack and GitHub, followed by a second launch on 2024-08-23 positioning the product as an artificially intelligent OS that gamifies work. Its public GitHub organization has repository activity through June 2025, and the website has since added an App Lab, character marketplace and hiring page.
Risks & controversies
Corporate ownership is not publicly identifiable: WHOIS records for antispace.sh are shielded by a privacy service, and a website-reputation scanner flagged the hidden ownership, low traffic rank and young domain age while concluding the site is "probably not a scam" and "likely safe." The GitHub organization lists no public members. Pricing is described as free "for now," leaving future monetization undefined.
Compiled by commissioned research from 8 cited public sources β announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed β not independently audited.
Timeline Β· 4
launches, deals, and filingsThe company's website states it is CASA Tier 2 certified and that customer data is not used to train third-party model providers or for advertising.
Second Product Hunt launch positioning Antispace as an AI operating system that gamifies work.
Antispace launched on Product Hunt as a command center converting ideas into executable actions across Mail, Calendar, Notes, Slack and GitHub.
WHOIS registration date for the antispace.sh domain, registered via a privacy service.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
βΈResearch sources Β· 8
primary sources listed
- Antispaceantispace.sh Β· web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Antispace do?
- Antispace is an AI operating system whose installable AI "characters" handle email, calendar, notes and to-dos and execute actions.
- Who are Antispace's investors?
- Antispace's investors include AIX Ventures.