Assumer vs Claude Code
An honest, side-by-side look at Assumer and Claude Code by Anthropic: where each one runs, which models it uses, how it handles tools and permissions, and what it costs.
Last checked October 2026. Facts about Claude Code come from its official docs and pricing pages, linked below.
At a glance
| Feature | Assumer | Claude Code |
|---|---|---|
| Made by | 4Born Solutions | Anthropic |
| Where it runs | Terminal, Desktop app, Web | Terminal, IDE, Desktop app, Web, Mobile |
| Open source | Built on OpenCode (MIT) | No (proprietary; public GitHub repo is under Anthropic Commercial Terms) |
| Models | Models run through the Assumer service; sign-in required (assumer login, device flow). |
Claude models only. Via a Claude subscription, Anthropic Console API key, or third-party providers (e.g. Amazon Bedrock, Google Vertex AI) for the CLI, VS Code and JetBrains. |
| Bring your own API key | No | Yes |
| Local models | No | Not verified |
| MCP support | Yes | Yes |
| Plan mode | Yes | Yes |
| Subagents | Yes | Yes |
| Rules file | Assumer.md (AGENTS.md and CLAUDE.md compatible) | CLAUDE.md (can read AGENTS.md) |
| Windows | Yes | Yes |
| Pricing | Free; paid from $20/mo | Free; paid from $20/mo |
Where each one shines
Choose Assumer if you want
- Spec-driven development built in: constitution, specify, plan, tasks, implement.
- Meetings: turns a meeting transcript into a development plan.
-
Many surfaces from one install: terminal TUI/CLI, headless server (
assumer serve), web UI (assumer web), ACP for editors such as Zed, plus a desktop app.
Choose Claude Code if you want
- Available across terminal, VS Code, JetBrains, desktop app, web and mobile with shared settings and MCP config.
- Built-in plan mode, subagents, skills, hooks and background/parallel sessions.
- Native Windows install (PowerShell, CMD, WinGet) as well as macOS and Linux package managers.
Trade-offs to know
Assumer
- Requires sign-in; models run through the Assumer service rather than your own provider keys.
- Desktop downloads, the curl installer and Homebrew are coming soon; install today is via npm.
Claude Code
- Model choice is limited to Anthropic Claude models.
- Desktop app and some features (e.g. teleport, desktop handoff) require a paid Claude subscription.
Pricing
Assumer
Free
Placeholder pricing
$0
Pro
Placeholder pricing
$20/mo
Max
Placeholder pricing
$100/mo
Team
Placeholder pricing
$40/user/mo
Enterprise
Placeholder pricing
Custom
Claude Code
Free
Claude Free plan does not include Claude Code
$0
Pro
$17/mo billed annually; includes Claude Code
$20/mo
Max
5x or 20x Pro usage
From $100/mo
Team Standard
$20/seat/mo billed annually; includes Claude Code
$25/seat/mo
Team Premium
$100/seat/mo billed annually
$125/seat/mo
API
Pay-as-you-go via Anthropic Console
Usage-based
Frequently asked questions
Is Assumer a good alternative to Claude Code?
Yes, if you want an AI coding agent for the terminal and desktop with plan and build agents, MCP servers, granular permissions, spec-driven development and meeting-to-plan workflows. If the Claude Code strengths listed on this page matter most to your team, Claude Code may be the better fit.
How much do Assumer and Claude Code cost?
Assumer: Free; paid from $20/mo. Claude Code: Free; paid from $20/mo. Prices change often, so check each pricing page before you buy.
Can I use my AGENTS.md rules with Assumer?
Yes. Assumer reads Assumer.md rules files and is compatible with AGENTS.md and CLAUDE.md. Claude Code uses CLAUDE.md (can read AGENTS.md).
Do Assumer and Claude Code support MCP?
Assumer supports local and remote MCP servers. Claude Code: yes.
Try Assumer alongside Claude Code
Install the CLI in one command and run it on a real task in your own repository.
npm i -g @4born-solutions/assumer