Anthropic: Claude Sonnet 4.5
AnthropicClaude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflow
1M+ contextMultimodal vision
TextVision
Specifications
| Vendor | Anthropic |
| Family | anthropic |
| Context | 1M · 750k words（≈ a novella） |
| Max output | 1M · 750k words（≈ a novella） |
| Released | 2026-06-19 |
| Open source | No |
| Tool use | — |
Pricing across channels
per 1M tokens, USD
| Channel | Type | Input | Output | → |
|---|---|---|---|---|
| OpenRouter (auto) | Aggregator | $3.00 | $15.00 | visitAd |
OpenRouter API (auto-fetched)· 2026-06-19
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