Claude Sonnet 5
Anthropic · Mid · Multimodal
Claude Sonnet 5 is Anthropic's latest Sonnet-class model with a 1M token context window and support for adaptive reasoning at multiple effort levels.
- Strengths
- Delivers strong performance on coding tasks, agentic workflows, and professional reasoning, with the ability to adjust computational effort for complex problems.
- Best for
- Applications requiring extended context windows, multi-step reasoning, and code generation where you want control over the speed-accuracy tradeoff.
- Limitations
- Higher reasoning effort levels increase latency and token consumption, making it less suitable for applications requiring immediate responses or strict cost constraints.
Input / 1M
$2.00
Output / 1M
$10.00
Cached input / 1M
$0.2
Context window
1M
Also billed
- Cache write
- $2.50 / 1M
Find a model for your task
The guide groups starting models by task — RAG, coding agents, summarization — each with per-call cost estimates.
Price history
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 1 Jul 2026 | $2.00 | $10.00 | $0.2 | Imported from OpenRouter | openrouter.ai |