Claude Opus 4.5
Anthropic· released 24 Nov 2025
anthropic/claude-opus-4.5- Input / 1M tokens
- $5
- Output / 1M tokens
- $25
Context window200K tokens
Longest answer: 64K tokens
About
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...
Details
- Lab
- Anthropicopenrouter.ai · 3 Oct 2026
- Context
- 200Kopenrouter.ai · 3 Oct 2026
- Input price
- $5 / 1Mopenrouter.ai · 3 Oct 2026
- Output price
- $25 / 1Mopenrouter.ai · 3 Oct 2026
- Max output
- 64,000 tokensopenrouter.ai · 3 Oct 2026
- Inputs
- file, image, textopenrouter.ai · 3 Oct 2026
- Open weights
- Noopenrouter.ai · 3 Oct 2026
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Sources
- openrouter.ai/anthropic/claude-opus-4.5· checked 3 Oct 2026