Vibe Browser

The AI execution layer for repetitive work that still lives in browsers.

Dennis Vashchuk · Technical Co-Founder · March 2026

High-value work still gets done manually in browser tabs

  • 🧾 Tax advisors manually downloading 1099 files across multiple portals
  • ⚖️ Lawyers searching case databases and copying results by hand
  • 🎯 Recruiters sourcing candidates one-by-one on LinkedIn

This is paid work hiding in portals, inboxes, and calendars. Teams either do it by hand or pay people to do it for them.

Why current AI browsers get stuck

  • Locked model stacks — Atlas forces GPT, Comet forces their AI, no choice
  • You can't use the best model for the job (e.g. Grok-4.1 Fast Reasoning at $0.20/1M)
  • Screenshot/accessibility-tree loops that can overwhelm context on dense pages
  • No workflow packaging layer for recurring end-to-end work
Facebook Marketplace navigation screenshot captured via Chrome DevTools MCP

Proof surface: Facebook Marketplace navigation captured via Chrome DevTools MCP.

Dense UIs like this expose why context-heavy browser loops get brittle fast.

Vibe turns browser-heavy work into repeatable workflows

Vibe clicks, reads, fills forms, sends emails, and handles calendar work inside the user’s real browser session.

Users describe the job in plain English or voice. Vibe executes the workflow while keeping humans in the loop.

Gmail and Google Calendar actions are built in for browser-heavy operational work.

Local-first by default, with optional cloud models (BYOK) when teams want different privacy or compute tradeoffs.

Vibe Co-Pilot LinkedIn demo screenshot 1 Vibe Co-Pilot LinkedIn demo screenshot 2

Product screenshots: LinkedIn demo workflows executed by Vibe Co-Pilot.

Why Local? The Science Backs It Up.

Factor Cloud / API Agents Vibe (Local-First) Source
Reliability Fail due to network latency & context limits Stable DOM-based execution "Why Do Multi-Agent LLM Systems Fail?" (arXiv 2025)
Privacy High risk of data leakage & injection Data never leaves your device "Privacy Risks of LLM Agents" (Microsoft Research 2024)
Latency Variable (0.4s - 2.0s+) Fast & Deterministic (<1s) SitePoint Benchmarks 2026
Cost Scales linearly ($0.03/1k tokens) Fixed hardware cost ($0/token) arXiv: On-Premise LLM Economics

"Agent-to-agent communications in context-rich enterprise environments markedly increase privacy risk." — Microsoft Research

Vibe architecture directly addresses the key failure modes identified in recent academic literature.

Why Vibe Wins

Feature Vibe (Local-First) Comet / Atlas / Operator
Model Choice Any LLM — Grok-4.1, GPT-5.4, Claude, DeepSeek, local Locked to vendor's model (GPT-only, Comet-only)
Execution Local DOM (Reliable) Cloud Streaming (Fragile)
Data Privacy Zero-Retention (Device only) Server-Side Storage
Workflow Focus Complex, Multi-Step Tasks Simple Q&A / Search
Marginal Cost $0 (Uses User Hardware) High (Server GPU Costs)

The Moat: While Atlas and Comet lock users into a single model vendor, Vibe gives users full model freedom — including Grok-4.1 Fast Reasoning, the best model for agentic web tasks today at 25× lower cost than GPT-5.4. When a better model ships tomorrow, Vibe users can switch in one click. Locked-in competitors cannot.

Package services-grade browser work into reusable workflows.

Tax Form Download

Open portals, fetch client documents, and organize filings automatically.

LinkedIn Outreach

Source profiles, personalize outreach drafts, and queue approved messages.

Calendar Management

Resolve conflicts, schedule meetings, and keep availability synchronized.

This is how Vibe moves from tool to system of record for recurring browser work: version the workflow, reuse it, and share it across teams.

Traction

200+
Active Users
$0
Marketing Spend
Live
Chrome Web Store

Growing organically through word-of-mouth in developer and privacy communities.

  • Weekly Growth: 15% WoW in active sessions
  • Engagement: Avg. 12 workflows executed per user/week
  • Bootstrapped: Zero paid marketing, purely organic

Market

Beachhead: high-value browser work

Legal, Tax, Finance, and other compliance-heavy teams already paying humans to do repetitive browser tasks.

5M+
Professionals (US)

Expansion: browser-heavy knowledge work

Every team with recurring work spread across websites, inboxes, calendars, and internal portals.

70M+
Global Workers

Why here? These teams already budget for the work. We can start where browser-heavy operations are manual or outsourced, then productize the workflow.

This segment is underserved, high-intent, and not the focus of cloud-first AI browsers.

Business Model

Tier Price Includes
Free $0 Limited usage for evaluation
Pro $25/mo BYOK model access and advanced skills
Premium $100/mo Bundled credits and all supported models

GTM: Win on completed workflows, not generic seat value. Acquire via product-led discovery and founder-led outbound, prove ROI on repeated browser work, then expand with team controls and MCP interoperability.

Enterprise and team plans become the expansion layer once a workflow is already delivering value.

Founder

Dennis Vashchuk, Technical Co-Founder

  • Coinbase: built validator infrastructure for 30+ protocols (Solana, Ethereum, Cosmos)
  • Coinbase: worked on the core exchange matching engine
  • Twingate and BitTorrent: P2P and VPN protocol engineering
  • "I built systems that run reliably under pressure. This isn't a wrapper."
  • MS in Computer Science

The Ask

Raising: $2M pre-seed

  • Product: Chrome integration and model optimization
  • GTM: focused expansion across professional verticals
  • Team: first key hire

Target close: May 2026

[email protected] · calendly.com/dzianisv/30min