Invoice INV-20418
Hi Sam,
Please find attached our invoice INV-20418 for the October order, due Nov 27, 2026.
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Marta Lis
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Best Claude Desktop alternatives in 2026
Claude Desktop is a chat interface for Anthropic's Claude. People look for alternatives when they need an agent that executes work on the desktop, not just answers questions in a window. It is strong at long-document work: Anthropic's model documentation lists a 1M-token context window for Claude Opus 5 and Claude Sonnet 5, and Anthropic's Projects announcement describes retrieval that loads only the relevant part of a larger knowledge base. What it does not do is read your local files outside an upload, run shell commands, or click through other applications. Here are five real options (including open-source picks, tools that run on Linux, and the deepest Model Context Protocol (MCP) support), ranked by how much they actually do on your machine.
Free · macOS & Windows · No credit card
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- LapuAI Best for: Anyone who wants Claude-quality reasoning plus actual desktop execution
- Cursor Best for: Software engineers who live in their editor
- ChatGPT Desktop Best for: Heavy ChatGPT users who want a faster wrapper with light desktop awareness
- Open Interpreter Best for: Developers who want full control, OSS, and the option to run fully local
- Goose Best for: Engineers who want an open desktop agent with custom MCP tools
Top alternatives compared
LapuAI
LapuAI is a desktop AI agent for macOS and Windows. Unlike Claude Desktop, it does not stop at chat. It reads files in place on your filesystem, runs shell commands, and controls applications through native accessibility APIs, with explicit user approval at every sensitive step. Built-in frontier models from multiple providers mean no API keys to manage and no per-token billing surprises. Model selection happens automatically: fast models for quick operations, more capable models for multi-step reasoning. Audit trails of every action are retained for up to 90 days so you can inspect what the agent touched.
Pros
- Executes multi-step tasks across files, terminal, and apps
- Permission gate on every risky action with full audit trail
- Built-in frontier models: no API key, no provider setup, no per-token bill
- Local-first: file reads happen on your machine, not in a cloud upload
- Free tier with no credit card; Premium $20/month, Pro $60/month, Max $100/month
Cons
- Smaller plugin and template ecosystem than Claude.ai or ChatGPT
- Effective context per task is smaller than a full Claude chat session on a paid plan, which Anthropic documents at 1M tokens for Opus 5 and Sonnet 5
- Reasoning still requires a network connection: the agent is local-first, not fully offline
Best for: Anyone who wants Claude-quality reasoning plus actual desktop execution
Learn moreCursor
Cursor is an AI-native fork of VS Code with deep IDE integration. It indexes your entire repository (functions, types, file relationships), and uses that index to power chat, autocomplete, and an in-editor agent that can edit across multiple files, run terminal commands, and iterate on errors. Cursor supports Claude Sonnet, Claude Opus, GPT-5 family, and Gemini, and lets you switch between them per task. Cursor's pricing page lists a free Hobby tier, Individual Pro at $20/month, and Teams from $40/user/month, plus higher Pro+ and Ultra tiers; usage beyond the plan is metered against frontier-model spend. Inside the editor it is the leading option for software work, but Cursor does not control non-IDE applications or browse arbitrary parts of your desktop.
Pros
- Deep IDE integration with full repo indexing
- Excellent multi-file refactoring and agent mode for end-to-end coding tasks
- Bring-your-own context: switch between Claude, GPT, and Gemini per prompt
- Background agents for longer-running coding work
Cons
- Confined to coding workflows inside the editor
- Cannot control non-IDE applications or perform general desktop tasks
- Metered pricing can become expensive on heavy frontier-model usage
Best for: Software engineers who live in their editor
Learn moreChatGPT Desktop
OpenAI's desktop wrapper around ChatGPT. It adds a global hotkey that opens a companion window pinned above other apps, plus screenshot capture, file upload, and on macOS a 'Work with Apps' feature that reads context from supported applications. The plugin and Custom GPT ecosystem is large, and the underlying models are strong general-purpose tools. It is closer to a faster chat experience with limited screen-context features than to an autonomous agent. It will not run shell commands or modify your files directly.
Pros
- Familiar interface with a strong global hotkey workflow
- Strong general-purpose models and large plugin/Custom GPT ecosystem
- Screenshot capture and Work-with-Apps companion mode on macOS
Cons
- Cannot execute multi-step actions on your machine: no shell, no file writes
- Context from your apps is read-only and sent to OpenAI servers
- No permission gate or per-action audit trail for work on your own files
Best for: Heavy ChatGPT users who want a faster wrapper with light desktop awareness
Learn moreOpen Interpreter
An open-source terminal agent under Apache 2.0. The current build is a Rust rewrite based on OpenAI's Codex, and it switches between agent harnesses to get the best result out of a given model. Its README says it runs commands inside native sandboxing on macOS, Linux, and Windows, and supports MCP, skills, hooks, and permissions. It works with hosted providers or with local models, the provider docs list Ollama and LM Studio as built-in local runtimes needing no credentials, which makes it the strongest pick here for fully offline operation. It is a terminal tool, not a packaged desktop app: the original Python project now lives on as a community-maintained fork, so most third-party write-ups still describe software that has since been replaced.
Pros
- Open-source under Apache 2.0: auditable and self-hostable
- Bring-your-own-model: hosted providers, or local models through Ollama and LM Studio
- Runs commands inside native sandboxing on macOS, Linux, and Windows
- Best option here for fully offline operation with a local LLM
Cons
- CLI-only: no packaged desktop app to hand a non-technical user
- Setup is developer-shaped: you choose the provider, the harness, and the sandbox policy
- The Rust rewrite replaced the Python tool most existing guides describe, so third-party instructions go stale
Best for: Developers who want full control, OSS, and the option to run fully local
Learn moreGoose
Goose is an open-source desktop AI agent originally built by Block and now part of the Agentic AI Foundation at the Linux Foundation. Its documentation describes a native desktop app for macOS, Linux, and Windows, with a CLI and an API on the side, built in Rust. Its differentiator is depth on the Model Context Protocol: the docs advertise 70+ MCP extensions covering databases, APIs, browsers, GitHub, and Drive. Pricing is free; you bring your own model API key. Similar in concept to LapuAI but the surface is more 'kit of parts' than 'turnkey product'. You wire up extensions and provide your own model credentials before it does much.
Pros
- Open-source (Apache 2.0), auditable, self-hostable
- Deepest MCP extension ecosystem of any desktop agent (70+ documented extensions)
- Native desktop app on macOS, Linux, and Windows; written in Rust
- Active community and Linux Foundation stewardship
Cons
- Requires manual extension setup and a model API key before useful
- UI is functional but less polished than commercial alternatives
- Smaller built-in skill library out of the box compared to a turnkey agent
Best for: Engineers who want an open desktop agent with custom MCP tools
Learn more
How to choose
Use Claude Desktop if your work is mostly reading and reasoning over long documents inside Projects. Anthropic's model documentation lists a 1M-token context window for Claude Opus 5 and Claude Sonnet 5, and Projects add retrieval over a larger knowledge base; that combination is still the best of any tool in this list for that specific job. Choose LapuAI if you want a polished desktop agent that goes beyond chat: file organization, document and PDF processing, Excel automation, data entry automation between apps that do not integrate, cross-application workflows, terminal automation, without managing API keys. Choose Cursor if your day is in an editor and the AI work is almost entirely code; nothing here matches its codebase indexing. Choose ChatGPT Desktop if you only need a faster chat hotkey and live in the OpenAI ecosystem with Custom GPTs. Choose Open Interpreter if you want fully local-model operation and are comfortable in a terminal. Choose Goose if you want an open-source agent and are willing to compose MCP extensions yourself.
Where LapuAI fits
Most Claude Desktop alternatives are still chat tools: they think but do not act. LapuAI sits in the smaller category of desktop AI agents that actually execute work on your machine, paired with a permission system designed for non-technical users. Built-in frontier models remove the API-key step that blocks most casual users from trying agentic tools, and the audit trail makes it auditable for work computers. Honest limits: LapuAI does not match Claude Projects for very large document analysis with persistent project knowledge, it does not have Cursor's depth inside an IDE, and reasoning still requires a network connection; the agent is local-first for file access, not a fully offline LLM runtime like Open Interpreter with Ollama. If your job is mostly long-document analysis, Claude Desktop is the right tool. If it is mostly coding inside an editor, Cursor is. LapuAI is for the middle: multi-step desktop work that touches files, terminal, and apps together.
How it controls your apps
The gap between these tools is not how well they reason. It is what happens after the answer. Claude Desktop replies in its window; reaching anything outside it means installing an MCP connector per tool, and Cowork's file access is scoped to a folder you grant. LapuAI works the other way round: it talks to the application's own automation layer, the same interface a screen reader uses, so it presses the Save button in the app you already have open, without taking over your mouse.
| Behavior | LapuAI | Claude Desktop |
|---|---|---|
| How it finds a button | By name, through the app's own automation layer: AXUIElement on macOS, UI Automation on Windows | It does not drive other apps' interfaces. MCP connectors reach the tools you install; Cowork reads and edits files inside a folder you grant. |
| Setup before the first run | None: describe the task in plain language | Install and configure an MCP connector for each tool you want it to reach |
This works where an application exposes an automation surface, most macOS and Windows software does, including Microsoft 365 and older line-of-business apps that never got an API. LapuAI also supports driving real keyboard and mouse input and uses it where that is the better tool: SAP GUI is the clearest case, since it means the customer never has to enable sapgui/user_scripting. Sending input is the second choice, not the only one.
FAQ
LapuAI uses frontier models from multiple providers, including Claude. Model selection is automatic: fast models for quick operations, more capable models for complex reasoning. You do not bring or manage an API key.
For most users, yes. LapuAI handles the chat use case plus desktop execution. If you specifically need Claude Projects for persistent project knowledge, or retrieval over many large files at the 1M-token context Anthropic documents for Opus 5 and Sonnet 5, Claude Desktop still has the edge for that workflow.
File operations and shell commands run locally without network access. AI reasoning still requires an internet connection to reach model providers. If fully offline LLM execution is a hard requirement, Open Interpreter with a local model through Ollama or LM Studio is a better fit.
There is a free tier with no credit card required. Premium is $20/month, Pro is $60/month, and Max is $100/month for power users. Enterprise pricing is custom. Cursor by comparison starts at $20/month and is metered against frontier-model usage; Claude Pro is $20/month for Claude.ai access; Goose and Open Interpreter are free but require your own model API key or local model setup.
LapuAI uses permission-based execution: every risky action (file writes, shell commands, app control), requires your explicit approval, and a full audit trail is retained for up to 90 days so you can inspect what the agent touched. Compare this to Open Interpreter's single confirm-before-execute prompt, which is a coarser guardrail.
LapuAI ships with built-in models so you do not need to bring keys. Bring-your-own-key is on the roadmap for enterprise customers who require sole-tenant billing or model pinning.
Three scenarios: long-document analysis where you want the 1M-token context Anthropic documents for Opus 5 and Sonnet 5, plus Projects retrieval over many files; pure chat work where you do not need the agent to touch your filesystem, terminal, or apps; and teams already standardized on Claude.ai with Projects and shared organizational instructions. For those, Claude Desktop is the right tool.
The closest Claude Desktop competitors are LapuAI (a desktop agent that executes work on macOS and Windows), Cursor (an AI code editor), ChatGPT Desktop (OpenAI's chat wrapper), Open Interpreter (an open-source CLI agent), and Goose (an open-source MCP agent). Claude Desktop is a chat-and-reasoning tool; most of these competitors add some form of execution on your machine that Claude Desktop does not.
Open Interpreter (Apache 2.0) and Goose (Apache 2.0) are the two open-source options here. Open Interpreter is a terminal tool that runs generated code with cloud or local models; Goose is a native desktop app with the deepest Model Context Protocol extension library. LapuAI is not open source. It trades that for a turnkey setup with built-in models and per-action permissioning.
Claude Desktop does now ship a Linux build, but Anthropic's install guide lists it as beta and supports only Ubuntu 22.04 LTS or later and Debian 12 (bookworm) or later, on x64 and arm64. If you run Fedora, Arch, or an older LTS, that build is not for you: Goose ships a native Linux desktop app, and Open Interpreter runs from the terminal. LapuAI currently supports macOS and Windows only, so it is not the pick if Linux is a hard requirement.
MCP is an open standard, published at modelcontextprotocol.io, for connecting AI applications to external data sources, tools, and workflows. Goose has the most depth on it: its documentation advertises 70-plus MCP extensions covering databases, APIs, browsers, GitHub, and Drive. If your main reason for leaving Claude Desktop is to compose your own MCP tools, Goose is the strongest fit. LapuAI focuses instead on built-in execution across files, terminal, and apps without wiring up extensions first.
Download LapuAI for macOS or Windows and sign in. There is a free tier with no credit card and no API key to configure, so you can try desktop execution the same day. There is nothing to migrate: LapuAI reads your existing files in place and asks permission before each action. If you rely on Claude Projects for long-document analysis, keep Claude Desktop for that and use LapuAI for the tasks that touch your filesystem, terminal, and apps.
If you do not write code and do not want to configure API keys or MCP servers, the simplest alternative to Claude Desktop is LapuAI: download it for macOS or Windows, sign in, and the agent works on your everyday files (spreadsheets, PDFs, folders), with built-in frontier models and no setup. Where Claude Desktop chats about a document you upload, LapuAI opens the actual file on your disk and does the work, asking permission before each step. For the open-source, terminal-comfortable crowd, Open Interpreter and Goose are the alternatives that fit better.
There is no single best Claude Desktop alternative 2026 buyers agree on. It depends on what you need it to do. For people who just want AI that acts on their everyday files without setup, LapuAI is the closest fit. For coding inside an editor, Cursor. For a faster chat hotkey, ChatGPT Desktop. For a fully self-hosted, open source Claude Desktop alternative, Open Interpreter or Goose. The honest split is chat-and-reason (Claude Desktop's strength) versus execute-on-your-machine (where most of these competitors, LapuAI included, go further).
If your main reason for leaving is Model Context Protocol depth, the best Claude Desktop alternative for MCP is Goose, 70-plus documented MCP extensions, some able to render UI inside the app, and it is open source. LapuAI takes the opposite approach: instead of asking you to wire up MCP servers before it is useful, it ships built-in execution across files, terminal, and apps, so a non-technical user gets desktop automation on day one without composing a toolchain.
Sources
- platform.claude.comAnthropic: Models overview: Claude Opus 5 and Claude Sonnet 5 document a 1M-token context window, as do Opus 4.8, Opus 4.7, Opus 4.6 and Sonnet 4.6; Sonnet 4.5, Opus 4.5 and Haiku 4.5 document 200K
- anthropic.comAnthropic: Introducing Projects (June 25, 2024): each project includes a 200K context window, and Projects use retrieval so Claude loads only relevant content from a larger knowledge base
- support.claude.comAnthropic Help Center: Install Claude Desktop: macOS 11 (Big Sur) or higher, Windows 10 or higher, and a beta Linux build for Ubuntu 22.04 LTS+ / Debian 12+ on x64 and arm64
- modelcontextprotocol.ioModel Context Protocol: MCP is an open-source standard for connecting AI applications to external data sources, tools, and workflows
- goose-docs.aigoose documentation: Apache 2.0 native agent built in Rust for macOS, Linux and Windows, 70+ MCP extensions; now part of the Agentic AI Foundation at the Linux Foundation
- github.comOpen Interpreter (GitHub): Apache-2.0; the current Rust build is a fork of OpenAI's Codex and runs commands inside native sandboxing on macOS, Linux and Windows; the original Python project continues as a community fork
- openinterpreter.comOpen Interpreter provider docs: Ollama and LM Studio are built-in local runtime providers requiring no credentials
- cursor.comCursor pricing: free Hobby tier, Individual Pro $20/month, Teams Standard $40/user/month
Related
- See LapuAI vs Claude Desktop head-to-head Side-by-side feature comparison (not a listicle).
- See what LapuAI can actually do Concrete use cases with example prompts.
- Compare pricing plans Free, Premium, Pro, Max, Teams, Enterprise.
- Looking at Anthropic Computer Use alternatives too?
- Looking at Bytebot alternatives too?
- Looking at ChatGPT alternatives too?
Automate the work between you and outcomes
LapuAI handles the repetitive work between you and outcomes. One desktop agent, zero tab-switching. Available now on macOS and Windows.
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