Claude Opus 4.5
Claude Opus 4.5 is Anthropic's most capable model, representing the frontier of AI assistant technology. It demonstrates exceptional performance in complex analysis, creative writing, nuanced reasoning, and long-form content generation. Opus 4.5 is designed for tasks where the highest quality output justifies additional compute.
With Anthropic's Constitutional AI approach, Opus 4.5 combines raw capability with strong safety properties, making it suitable for sensitive enterprise deployments. Its ability to maintain coherent reasoning across extremely long contexts sets it apart for document analysis and research workflows.
Key Features
Industry-leading performance on complex reasoning tasks
200K token context window with near-perfect recall
Exceptional creative writing and nuanced tone control
Strong safety alignment via Constitutional AI training
Extended thinking mode for deliberate problem-solving
Reliable structured output and tool use capabilities
Ideal Use Cases
Deep research and analysis across large document collections
High-stakes content creation requiring expert-level quality
Complex multi-step reasoning for legal, medical, and financial domains
Enterprise AI agents handling sensitive workflows
Technical Specifications
| Context Window | 200K tokens |
| Modality | Text, Image → Text |
| Provider | Anthropic |
| Category | Text Generation |
| Max Output | 32K tokens |
| Safety | Constitutional AI |
API Usage
1 curl -X POST https://api.vincony.com/v1/chat/completions \ 2 -H "Authorization: Bearer YOUR_API_KEY" \ 3 -H "Content-Type: application/json" \ 4 -d '{ 5 "model": "anthropic/claude-opus-4.5", 6 "messages": [ 7 { "role": "user", "content": "Hello, Claude Opus 4.5!" } 8 ] 9 }'
Replace YOUR_API_KEY with your Vincony API key. OpenAI-compatible endpoint — works with any OpenAI SDK.
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