# Claude Sonnet 4

Claude Sonnet 4: Anthropic의 AI 모델, 최초 기록 2026-09-21, 출시일은 아직 미확인.

- 개발사: Anthropic
- Id: anthropic/claude-sonnet-4
- 발견: 2026-09-21T16:06:18.831Z
  - [근거 링크](https://openrouter.ai/anthropic/claude-sonnet-4)
- 상태: 발견
- 대표 URL: https://alexgetman.com/ko/models/anthropic/claude-sonnet-4-445/

## 자주 묻는 질문

### Claude Sonnet 4의 출시일은 언제인가요?

출시일은 아직 확인되지 않았습니다. Signal Forge의 최초 기록일은 2026-09-21입니다.

## 근거 링크

- [models.dev · catalogue](https://models.dev/#claude-sonnet-4)
- [models.dev · catalogue](https://models.dev/#databricks-claude-sonnet-4)
- [OpenCode · discovery](https://opencode.ai/data/anthropic/claude-sonnet-4-0)
- [openrouter](https://openrouter.ai/anthropic/claude-sonnet-4)
- [anthropic-pricing](https://platform.claude.com/docs/en/about-claude/pricing)
- [Arena · leaderboards](https://www.anthropic.com/news/claude-4)

## 시그널

- [OpenRouter에서 Claude Sonnet 4 발견](https://alexgetman.com/ko/signals/2026/09/21/claude-sonnet-4/)