radar

ONE Sentinel

smart_toyAI/PROMPT ENGINEERING

llm-anthropic 0.25

sourceSimon Willison
calendar_todayApril 16, 2026
schedule1 min read
lightbulb

EXECUTIVE SUMMARY

Anthropic Unveils Enhanced Features in LLM-Anthropic 0.25 Release

Summary

The article discusses the release of llm-anthropic 0.25, introducing the new model claude-opus-4.7 with enhanced capabilities for prompt engineering.

Key Points

  • Release version: llm-anthropic 0.25
  • New model introduced: claude-opus-4.7
  • Supports a new parameter: thinking_effort set to xhigh
  • New boolean options added: thinking_display and thinking_adaptive
  • thinking_display provides summarized output, currently only available in JSON format
  • Increased default max_tokens to the maximum allowed for each model
  • Obsolete structured-outputs-2025-11-13 beta header has been removed for older models
  • Tags associated with the release: llm, anthropic, claude

Analysis

The release of llm-anthropic 0.25 signifies a notable advancement in AI prompt engineering, particularly with the introduction of the claude-opus-4.7 model. The enhancements in output summarization and token limits are crucial for developers and data scientists looking to optimize their AI applications.

Conclusion

IT professionals should explore the new features of llm-anthropic 0.25 to leverage improved capabilities in their AI projects, particularly in areas requiring advanced prompt engineering and output management.