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Claude Sonnet 4.6 vs Gemini Pro

Claude gets XML tag restructuring while Gemini needs no adaptation — prompts are already optimized for Gemini by default.

Claude Sonnet 4.6

Anthropic · claude

94
Quality
1200ms
Speed
+12%
Gain

Best for

  • Precise instruction following
  • XML-structured outputs
  • Safety-critical analysis

Adaptations

  • XML tag structuring
  • Role extraction
  • Output format guidance
View Claude Sonnet 4.6 details →
Gemini Pro

Google · gemini

93
Quality
900ms
Speed
+0%
Gain

Best for

  • Multimodal tasks
  • Large context windows
  • Search-grounded responses
View Gemini Pro details →

Our Take

Gemini is the baseline in our evaluation framework, meaning prompts are written for it by default. Claude benefits significantly from XML restructuring, gaining 12% on quality scores. The practical takeaway: if you are already on Gemini, your prompts work as-is. Switching to Claude requires structural changes that Refrase handles automatically.

Example Prompt

You are a senior code reviewer. Analyze the provided code for bugs, security vulnerabilities, performance issues, and code quality.
Try Both Models