Product Overview

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BitFun is best understood as an agent workspace, not a single-purpose AI editor. It combines a capable agent experience, an integrated desktop workbench, personal automation, creation tools, and multi-device access around the same sessions and projects.

Three product experiences

Code — build, understand, and improve software

Ask BitFun to explore an unfamiliar project, propose a plan, implement a change, investigate a bug, review a diff, run checks, or explain what changed. The integrated editor, terminal, file explorer, Git views, language intelligence, browser, and session history keep the work inspectable.

Explore the coding workspace →

Cowork — turn intent into finished work

Use an agent for research, planning, writing, analysis, and production. BitFun can help create documents, presentations, spreadsheets, PDFs, diagrams, charts, and interactive visual explanations rather than stopping at a block of chat text.

Explore Cowork and creation →

Claw — assistants that become yours

Create multiple assistants with different identities, instructions, models, Skills, tools, MCP connections, memory, and schedules. Keep a focused assistant for a project, a role, or an area of life without mixing every context into one conversation.

Explore the personal assistant →

Capability map

Available today

• Desktop application for Windows, macOS, and Linux
• Agentic, Plan, Debug, Multitask, Cowork, Computer Use, Deep Research, Team, and Claw working modes
• Integrated files, editor, terminal, Git, browser, previews, session history, and rollback controls
• Custom Agents and subagents, Skills, MCP connections, and permission policies
• Documents, editable presentations, spreadsheets, PDFs, charts, diagrams, and interactive visuals
• Mini Apps with installation, AI-assisted creation, live customization, permissions, versions, and rollback
• Local and remote workspaces, including SSH and container-based environments
• QR pairing, mobile web control, LAN/relay connections, device-to-device control, and selected messaging connectors
• Configurable long-term memory, session insights, voice input, and optional agent companion
• Interactive and non-interactive terminal experiences for people who prefer a CLI

Preview or Beta

• Pages (Preview): save, version, publish, roll back, unpublish, and manage static pages with private, account-only, or public visibility.
• External Sources (Beta): selectively discover and approve compatible capabilities from OpenCode, Claude Code, and Codex environments. Availability varies by source and capability.
• ACP connections (advanced): connect supported external agents through the Agent Client Protocol.
• Wider mobile experiences: mobile web is usable today; platform-specific mobile clients are at different stages of maturity.

In progress

• Lights-Out Factory: design work during the day, let managed tasks continue through the night, and review outcomes in the morning.
• Infinite Radius: extend continuous work beyond desktop and browser to more phones, wearables, and ambient devices.
• Continued improvements to agent quality, speed, cost efficiency, and the desktop experience.

One workspace, several levels of control

BitFun is designed for a spectrum of collaboration:

1. Ask: request an explanation, analysis, or artifact.
2. Work together: inspect plans, answer clarifying questions, and refine the result.
3. Delegate: give a bounded task to one or more specialized agents.
4. Operate: allow approved tools to edit files, run commands, browse, or control the computer.
5. Continue elsewhere: resume from a mobile browser, terminal, remote workspace, or connected device.

You decide how much autonomy is appropriate. Permission prompts, remembered rules, project policies, and full-access modes make that choice explicit.

Designed for choice

BitFun is not tied to one model vendor or one extension ecosystem. It supports several popular model API families, custom endpoints, primary and fast model roles, local or cloud speech recognition, and a growing range of service connections. Exact provider and model availability can change over time, so the application remains the best source for the current list.

Product principles

• Local-first: keep the user’s device and workspace at the center.
• Outcome-oriented: produce useful changes and artifacts, not only answers.
• Inspectable: make plans, tool activity, file changes, and results visible.
• Composable: combine agents, models, Skills, MCP services, Mini Apps, and hooks.
• Cross-platform: separate the work from any one operating system or device.
• Honest about maturity: distinguish released capability from Beta, Preview, and roadmap work.

Next: choose an Agent mode or get started.