Claude Opus 4.5 excels at complex coding, agentic agents, computer use, and enterprise tasks with advanced reasoning capabilities and improved token efficiency for sophisticated applications.
Context tokens
200,000
Output tokens
64,000
Training cutoff
Jul 1, 2025
Released
Nov 1, 2025
Supported languages
Supported input media
Seclai Content Tools
Inspect source documents connected to your account. Includes tools for loading full content, reading character ranges, searching within documents, viewing stats, and listing available content sources. When a source_connection_content_version_id is provided in agent run metadata it is used as the default. Otherwise the model can discover content via list_content_sources.
Seclai Knowledge Base
Search your knowledge bases using semantic similarity. Includes search_knowledge_base and list_knowledge_bases. When a knowledge_base_id is provided in the prompt or agent run metadata it is used as the default. Otherwise the model can discover available knowledge bases at runtime.
Web Fetch
The web fetch tool allows Claude to retrieve full content from specified web pages and PDF documents.
Web Search
The web search tool gives Claude direct access to real-time web content, allowing it to answer questions with up-to-date information beyond its knowledge cutoff. Claude automatically cites sources from search results as part of its answer.
| Type | Credits | Units |
|---|---|---|
| Input | 66.50 | Credits per 1k tokens |
| Output | 332.50 | Credits per 1k tokens |
| Cache write (1h) | 133.00 | Credits per 1k tokens |
| Cache write (5m) | 83.13 | Credits per 1k tokens |
| Cache hit | 6.65 | Credits per 1k tokens |
No variants available for this model.