Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...
Specifications
| Provider | Anthropic |
|---|---|
| Context window | 200,000 tokens (200K) |
| Input price | $5 / 1M tokens |
| Output price | $25 / 1M tokens |
| Input modalities | file, image, text |
| Output modalities | text |
| Model ID | anthropic/claude-opus-4.5 |
Pricing is per 1M tokens, indicative pricing via OpenRouter (updated 2026-08-22); a provider's own list price may differ.
Frequently asked questions
How much does Claude Opus 4.5 cost?
Indicative pricing (via OpenRouter, updated 2026-08-22) is $5 per 1M input tokens and $25 per 1M output tokens. A provider's own list price may differ. On Vincony, Claude Opus 4.5 is available on credit-based pricing alongside 800+ other models.
What is Claude Opus 4.5's context window?
Claude Opus 4.5 supports a context window of up to 200,000 tokens (200K), which is how much text it can consider at once.
Who makes Claude Opus 4.5?
Claude Opus 4.5 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 Opus 4.5?
You can use Claude Opus 4.5 directly through Anthropic, or via Vincony, which aggregates 800+ models (including Claude Opus 4.5) into one interface with side-by-side comparison and credit-based pricing.