Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...
Specifications
| Provider | Anthropic |
|---|---|
| Context window | 1,000,000 tokens (1M) |
| Input price | $2 / 1M tokens |
| Output price | $10 / 1M tokens |
| Input modalities | text, image, file |
| Output modalities | text |
| Model ID | anthropic/claude-sonnet-5 |
Pricing is per 1M tokens, indicative pricing via OpenRouter (updated 2026-08-22); a provider's own list price may differ.
Compare Claude Sonnet 5
Frequently asked questions
How much does Claude Sonnet 5 cost?
Indicative pricing (via OpenRouter, updated 2026-08-22) is $2 per 1M input tokens and $10 per 1M output tokens. A provider's own list price may differ. On Vincony, Claude Sonnet 5 is available on credit-based pricing alongside 800+ other models.
What is Claude Sonnet 5's context window?
Claude Sonnet 5 supports a context window of up to 1,000,000 tokens (1M), which is how much text it can consider at once.
Who makes Claude Sonnet 5?
Claude Sonnet 5 is built by Anthropic. You can access it — and compare it against other providers' models — through Vincony's multi-model platform.
How do I use Claude Sonnet 5?
You can use Claude Sonnet 5 directly through Anthropic, or via Vincony, which aggregates 800+ models (including Claude Sonnet 5) into one interface with side-by-side comparison and credit-based pricing.