An AI Assistant That Lives in Your Texts: Inside Tab's $300 Million Bet on Messaging
A startup called Tab surfaced from stealth the week of October 7, 2026 with a $300 million valuation and an unusual pitch: an AI assistant that works entirely inside iMessage and WhatsApp, handling everything from customer service calls to web purchases without ever asking you to download another app.
The concept is straightforward enough. Text Tab like you'd text a friend, and it calls businesses on your behalf, waits on hold, browses websites, and completes transactions once you sign off. What makes the approach notable is the wager embedded in it — that people would rather delegate tasks through platforms they already live in than toggle between a growing pile of AI tools.
Tab's founders, Brennan Erbz, Stafford Schlitt, and Ammar Amdani, began building the product earlier in 2026, according to TechCrunch. Erbz spent time as an early machine learning engineer at Snap. Schlitt brings operational and growth chops from previous startups. Amdani co-founded Adapt Ventures. The trio opened a private beta with a waitlist when they launched, and as of early October 2026 the invite-only access remains in place.
SV Angel, Valar Ventures, and American Spirit backed the round, Tom's Guide reported on October 7, 2026. The company hasn't disclosed how much it raised or the specifics of the deal structure. Dealroom pegged Tab at seed stage with that $300 million valuation as of October 9, 2026.
In practice, Tab positions itself as what the company calls "an AI you text when you need something done." It will sit on hold with customer service for up to an hour. It places calls in any language. It can navigate website forms, the kind that tend to confound both humans and bots when fields shift or CAPTCHAs appear. Between September 4 and September 14, the startup posted a flurry of product updates showing those capabilities coming online.
On September 10, Tab added WhatsApp support, bringing full feature parity across both messaging platforms for photos, videos, voice notes, documents, and stickers, according to the company's changelog. Users pick either iMessage or WhatsApp during signup and can switch between them at tab.bot/wa. There's also group-chat functionality, where each group gets its own instance of Tab, per the company's security documentation.
The assistant does more than just make calls and fill out forms. It creates and edits images, audio, and video. It publishes web pages under sites.tab.bot. It reads links from TikTok, Instagram, and PDFs locked behind login walls — a detail that hints at the kind of friction Tab is trying to remove from everyday digital life.
The commerce side of the product requires explicit approval before any money changes hands. "Nothing is paid until you approve it," the startup said on its website. Users add a card on file, which becomes the default payment method. They can review spending or pull cards from the system entirely, all within the chat thread where they make their requests.
Card details live in what Tab describes as an isolated vault. The core system holds only an opaque reference and limited display metadata, according to a privacy policy effective September 2. "We do not put passwords or card details in Messages," wrote Terrasoft Inc., the legal entity behind Tab. The assistant uses a persistent browser context across tasks, solves puzzles in payment boxes, and adjusts when websites rearrange their layouts, per September product updates. Tab said it masks evidence screenshots, hashes tokens, and runs on a task-scoped authority model with default-deny behavior for write actions.
In its terms of service, Terrasoft committed that it "does not use your Content … to train … any AI or machine learning model" and selects providers whose terms align with that stance. The workspace.tab.bot terms page carries a last-updated date of June 18.
The messaging-native AI space is getting crowded. Meta launched Muse on September 8 with access through WhatsApp and a standalone app. Instinct raised $350 million at a $2.5 billion valuation in August 2026, then reportedly pursued conversations around a $10 billion valuation by mid-September, The Information said. Both offer consumer AI assistants, though their interface strategies and feature sets diverge from Tab's approach.
"Trust is the product," Tab told TechCrunch. The startup frames its model around what it calls bounded authority. The assistant has its own phone number, computer, and wallet, letting it operate independently while maintaining user control through approval flows. Secrets stay out of chat threads. Systems default to fail-closed behavior when errors crop up, according to a security page last reviewed August 21.
As Tab scales, questions will inevitably surface around how well the approval workflows hold up under real-world friction, how users respond to an AI that can theoretically spend money on their behalf, and whether the messaging interface proves as convenient in practice as it sounds in pitch decks. For now, the company is iterating fast. Updates posted through mid-September showed work on reliability — faster mid-task replies, explicit progress indicators, audit-like receipts replacing longer status messages.
The startup's terms mention subscriptions and credits but list no public pricing yet. Users can remove cards on file and review transactions in the same chat interface where they make requests. Tab now grabs documents behind logins, maintains message delivery states, and reports errors in detail, all features that came online in the two weeks before the public launch.
The private beta waitlist is still the only way in as of October 9. Whether Tab's bet on messaging-native AI proves prescient or merely trendy will depend on factors the company can't fully control: consumer trust, the pace of competitor innovation, and the messy reality of trying to automate tasks that often require a human touch. For a startup valued at $300 million before much of the world has used its product, those are the kinds of uncertainties that come with the territory.
