Claude Sonnet 5
language modelAnthropic
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,...
Key facts
| Made by | Anthropic |
|---|---|
| Type | language model |
| Released | June 30, 2026 |
| Reads at once | 1,000,000 tokens |
| Price (API, per million tokens) | $2 in · $10 out |
| Input → output | text, image, file → text |
Questions about Claude Sonnet 5
Who makes Claude Sonnet 5?
Claude Sonnet 5 is made by Anthropic.
When was Claude Sonnet 5 released?
We first saw Claude Sonnet 5 listed on June 30, 2026.
How much does Claude Sonnet 5 cost?
Through OpenRouter it costs $2 per million input tokens and $10 per million output tokens. Prices change, so check the provider before you build on it.
How much text can Claude Sonnet 5 read at once?
Up to 1,000,000 tokens, roughly 750K words.
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