# Claude Code | Artificialus

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# Claude Code

Claude's agentic coding mode, right in your terminal.

Anthropic

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Anthropic's official agentic coding tool, available in the terminal, VS Code, JetBrains IDEs, and the Claude desktop, web, and mobile apps. Runs on Claude Sonnet 4.6, Opus 4.7, and Haiku 4.5 with extended thinking for deep multi-file reasoning.

##
+

Pros
- Deepest Anthropic model integration — always first access to Claude Opus, Sonnet, and Haiku releases
- Subagents for true parallel task execution: e.g., backend and frontend agents running simultaneously
- Agent view (`claude agents`) gives a unified dashboard of all running/blocked/completed sessions
- Claude Agent SDK for embedding the same runtime into custom agentic applications
- Computer use in research preview — Claude can interact with native GUIs from the terminal
- Ultraplan: draft and review multi-step plans in a web editor before executing them remotely
- MCP tunnels, HTTP hooks, and /loop for external integrations and scheduled automation

##
−

Cons
- Claude Code removed from the $20 Pro plan (Apr 2026) — now requires Max 5x ($100/mo) for new subscribers
- Terminal-first UX — no standalone IDE; requires comfort with CLI workflows
- Costs can escalate quickly on API usage plans for heavy or parallel workloads
- Opus 4 and 4.1 deprecated (May 2026) — model continuity less predictable than Cursor's multi-vendor approach
- Auto mode and computer use still in research preview — not production-ready

##

Pricing

### Pro

$20/mo

Basic Claude Code access (legacy)

### Max

$100/mo

Full Claude Code access, extended thinking

### Team Premium

$150/user/mo

Team features, Ultraplan

### API

Metered

Pay-per-token usage

Claude Code is Anthropic's official agentic coding tool. It runs in the terminal as an npm package, in VS Code and JetBrains via official extensions, and inside the Claude desktop, web, and mobile apps — a single agent across every surface a developer touches.

Powered by Claude Sonnet 4.6, Opus 4.7, and Haiku 4.5, Claude Code uses extended thinking to reason through problems before writing code, producing higher-quality results on complex tasks. The agent autonomously reads files, edits code across many files in a single turn, runs terminal commands, reads test output, and iterates until the task is complete — with detailed visibility into every action.

## Key Features

• Extended thinking: reasons through hard problems before coding
• Multi-file edits: coordinated changes across an entire project in one turn
• Full-codebase context: indexes the project, not just open files
• Native MCP: connects to filesystem, git, web, and any custom MCP server
• Multi-surface: terminal, VS Code, JetBrains, plus desktop and mobile apps
• Plan mode and skills: structured planning and reusable filesystem-based capabilities
• Visibility: every read, edit, and command is logged and reviewable

## Version History

v2.1 / Week 20 (May 2026)
May 15, 2026
Agent view: `claude agents` shows all running, blocked, and completed sessions in one screen. `/goal` command keeps Claude working across turns until a condition is met. Fast mode defaults to Opus 4.7. Rewind menu can compress earlier context with 'Summarize up to here'. Plugins loadable from .zip archives and URLs.

v2.1 / Week 16 (Apr 2026)
Apr 17, 2026
Claude Opus 4.7 lands as new default on Max and Team Premium with `xhigh` effort level. Ultraplan enters early preview: draft cloud plans from CLI, review in web editor, run remotely or pull back local. Computer use in research preview (native app interaction from terminal). Auto mode research preview: AI classifier handles permission prompts.

Autonomous Mode + Agent SDK (Sep 2025)
Sep 27, 2025
Subagents GA for parallel task delegation (e.g., backend agent + frontend agent running concurrently). Checkpoints for safe rollbacks during autonomous runs. Claude Agent SDK (formerly Claude Code SDK) released with subagent orchestration and hooks support. Background daemons, HTTP hooks, and /loop command for scheduled automation.

Best for Complex reasoning tasks, multi-file refactors, and deep code analysis across large codebases

Capability Extended thinking, multi-file edits, full-codebase awareness, native MCP, IDE & app surfaces

Runs on CLI (npm), VS Code, JetBrains, Claude web/desktop/mobile

Signature Snippet

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```
`$ claude 'Refactor the authentication middleware to use the new token cache'

Claude reads src/middleware/auth.ts, src/lib/token-cache.ts...

→ Moving token validation to the cache layer
→ Updating middleware to use new context
→ Writing tests for the refactored flow

▶ Applying changes to 3 files...
▶ All tests pass (12/12)`
```

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