Claude Opus 4.5 became the first model to cross 80 in SWE benchmarks.

Claude Opus 4.5 became the first model to cross 80 in SWE benchmarks.

Claude Opus 4.5: The New Best AI Model?

Introduction of Claude Opus 4.5

  • Anthropic has launched Claude Opus 4.5, which has surpassed Gemini 3 Pro to become the leading AI model globally.
  • This model is notable for being the first AI to achieve over 80% on the SW Bench verified mark.

Performance and Capabilities

  • Claude Opus 4.5 excels in fixing real GitHub bugs, outperforming most other AI models available.
  • A new feature called the "effort parameter" has been introduced, allowing users to adjust response depth based on their needs.

Effort Parameter Functionality

  • Users can set the effort parameter low for quick answers, optimizing cost efficiency.
  • For more complex queries requiring deep reasoning, users can increase the effort parameter to high levels for thorough responses.