Claude 3.5 Sonnet vs GPT-5.2 Chat

Compare Claude 3.5 Sonnet and GPT-5.2 Chat side by side. See pricing, capabilities, context length, and performance. Use both on Krater.ai from $20/mo.

Claude 3.5 Sonnet vs GPT-5.2 Chat: strengths, best use cases and how to run both side by side. The live page adds context windows, token pricing and more comparisons once it loads.

Try both on Krater

Run Claude 3.5 Sonnet and GPT-5.2 Chat on the same prompt in the Krater Model Arena, then keep the winner in your workflow. One subscription covers both, from $20 a month.

Open Krater chat · Claude 3.5 Sonnet on Krater · GPT-5.2 Chat on Krater

What each model is best at

Claude 3.5 Sonnet

One of Anthropic's most capable models, Claude 3.5 Sonnet excels at complex reasoning, coding, and creative tasks while maintaining Claude's signature helpfulness and safety.

Strengths

  • Outstanding coding performance
  • Strong analytical reasoning
  • Excellent at following complex instructions
  • Natural, engaging writing style

Best for

  • Software development and code review
  • Data analysis and research
  • Content creation and editing
  • Complex problem-solving

GPT-5.2 Chat

OpenAI's latest general-purpose flagship from the GPT-5 family. GPT-5.2 Chat offers breakthrough conversational abilities, creative writing, and nuanced understanding.

Strengths

  • State-of-the-art conversational ability
  • Exceptional creative writing
  • Advanced multimodal understanding
  • Nuanced, context-aware responses

Best for

  • Complex conversations and brainstorming
  • Creative content creation
  • Multimodal analysis
  • Tasks requiring deep understanding

How we compare models

Our tested head-to-heads run the same prompt set through both models in the Model Arena, then rank answers blind. Read the testing methodology, or browse every comparison.