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...
| Provider | anthropic |
|---|---|
| Input price | $2.50 / 1M tokens |
| Output price | $12.50 / 1M tokens |
| Context window | 200k tokens |
| Max output | 64k tokens |
| Modalities | file, image, text |
| Model ID | anthropic/claude-opus-4.5:batch |
A 1,000-token prompt with a 500-token answer on Anthropic: Claude Opus 4.5 (batch) costs roughly $0.00875. Use the OpenRouter cost calculator to price your own prompt across 400+ models, or the token counter to measure prompt length first.
PromNest stores your prompt library and lets you run any prompt on Anthropic: Claude Opus 4.5 (batch) with your own OpenRouter key — including side-by-side comparison with other models. Browse 1,000+ ready-made prompt templates to start.