# Claude Sonnet 4 observert på OpenRouter

Claude Sonnet 4 fra Anthropic ble først registrert 2026-09-21. Lanseringsdatoen er ikke fastslått. 6 kildelenker.

- Type: Observasjon
- Utvikler: Anthropic
- Sikkerhet i vurderingen: Bekreftet
- Først observert: 2026-09-21T16:06:18.831Z
- Modell: [Claude Sonnet 4](https://alexgetman.com/nb/models/anthropic/claude-sonnet-4-445/)
- Kanonisk: https://alexgetman.com/nb/signals/2026/09/21/claude-sonnet-4/

## Dokumentasjonslenker

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