Anthropic: Claude Sonnet 4.5
Anthropic: Claude Sonnet 4.5 offers a 1,000,000-token context window at $3.00 per 1M input tokens and $15.00 per 1M output tokens. Supported inputs: text, image, file. Data via OpenRouter /models, as of Sep 13, 2026.
Source: OpenRouter /models · as of
Specifications
| Context window | 1,000,000 tokens |
|---|---|
| Input price | $3.00 / 1M tokens |
| Output price | $15.00 / 1M tokens |
| Input modalities | text, image, file |
| Output modalities | text |
| Model id | anthropic/claude-sonnet-4.5 |
Frequently asked questions
What is the context window of Anthropic: Claude Sonnet 4.5?
Anthropic: Claude Sonnet 4.5 supports up to 1,000,000 tokens of context.
How much does Anthropic: Claude Sonnet 4.5 cost?
$3.00 per 1M input tokens and $15.00 per 1M output tokens (via OpenRouter /models, as of Sep 13, 2026).
What input types does Anthropic: Claude Sonnet 4.5 support?
Anthropic: Claude Sonnet 4.5 accepts text, image, file.
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