# Claude Sonnet 4.5

Claude Sonnet 4.5 er en model fra Anthropic, lanceret den 2025-09-29. Kontekstvinduet er 200.000 tokens. Den maksimale outputlængde er 64.000 tokens. Prisen er $3,00 pr. million inputtokens og $15,00 pr. million outputtokens.

- Udvikler: Anthropic
- Id: claude-sonnet-4-5
- Ifølge rapporter: 2026-09-10T00:00:00.000Z
- Lanceret: 2025-09-29T00:00:00.000Z
- Observation: 2026-09-21T18:47:57.048Z
  - [kildelink](https://models.dev/#claude-sonnet-4-5)
- Status: Lanceret
- Kanonisk adresse: https://alexgetman.com/da/models/anthropic/claude-sonnet-4-5/

## Spørgsmål

### Hvor stort er kontekstvinduet for Claude Sonnet 4.5?

Kontekstvinduet er 200.000 tokens. Den maksimale outputlængde er 64.000 tokens.

### Hvad koster Claude Sonnet 4.5?

Prisen er $3,00 pr. million inputtokens og $15,00 pr. million outputtokens. Cachelagret input koster $0,30 pr. million tokens.

### Hvornår blev Claude Sonnet 4.5 lanceret?

Den 2025-09-29.

## Tidslinje

- 2026-11-13T20:01:49.880Z · [Anthropic · official articles](https://www.anthropic.com/threat-intelligence-report-september-2026)

## Kildelinks

- [Vertex AI · Model Garden](https://console.cloud.google.com/vertex-ai/publishers/anthropic/model-garden/claude-sonnet-4-5)
- [AWS Bedrock · lifecycle](https://docs.aws.amazon.com/en_en/bedrock/latest/userguide/model-lifecycle-legacy.html)
- [Azure Foundry · lifecycle](https://learn.microsoft.com/en-us/azure/foundry/concepts/model-lifecycle-retirement?view=azureml-api-2)
- [models.dev · catalogue](https://models.dev/#anthropic--claude-4.5-sonnet)
- [models-dev](https://models.dev/#claude-sonnet-4-5)
- [models.dev · catalogue](https://models.dev/#claude-sonnet-4.5)
- [models.dev · catalogue](https://models.dev/#databricks-claude-sonnet-4-5)
- [OpenCode · discovery](https://opencode.ai/data/anthropic/claude-sonnet-4-5)
- [anthropic-pricing](https://platform.claude.com/docs/en/about-claude/pricing)
- [review](https://platform.claude.com/docs/en/models/sonnet-4-5/overview)
- [Vercel AI Gateway](https://vercel.com/ai-gateway)
- [VoxelBench · leaderboard](https://voxelbench.ai/leaderboard)
- [Arena · leaderboards](https://www.anthropic.com/news/claude-sonnet-4-5)
- [anthropic-articles](https://www.anthropic.com/threat-intelligence-report-september-2026)

## Signaler

- [Claude Sonnet 4.5 er opdaget på VoxelBench](https://alexgetman.com/da/signals/2026/09/14/claude-sonnet-4-5-32k-thinking/)