Claude Sonnet 4.6 vs Grok 4.5
Anthropic's previous-generation Sonnet, with strong performance across coding, agents, and professional work.
xAI's Opus-class flagship for frontier coding, agentic tool use, and knowledge work.
No captured outputs for these models yet.
Frequently Asked Questions: Claude Sonnet 4.6 vs Grok 4.5▼
Which is better, Claude Sonnet 4.6 or Grok 4.5?
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Based on the Capability Index, Grok 4.5 scores higher (88.5 vs 84.8). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
Which is cheaper, Claude Sonnet 4.6 or Grok 4.5?
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Grok 4.5 has a lower blended cost. Claude Sonnet 4.6: $3.00 input / $15.00 output. Grok 4.5: $2.00 input / $6.00 output.
Which has a larger context window, Claude Sonnet 4.6 or Grok 4.5?
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Claude Sonnet 4.6 has a larger context window: Claude Sonnet 4.6 supports 1M tokens vs Grok 4.5 at 500K tokens.
Do both Claude Sonnet 4.6 and Grok 4.5 support vision?
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Yes, both Claude Sonnet 4.6 and Grok 4.5 support vision/image input.
What are the key differences between Claude Sonnet 4.6 and Grok 4.5?
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Claude Sonnet 4.6 and Grok 4.5 have similar overall capabilities. The main differences lie in pricing, context window size, and provider-specific strengths. Use this comparison page to review all metrics side by side.
Which model should I choose for my use case?
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If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Claude Sonnet 4.6 and Grok 4.5 for free on idapt.app to see which performs better for your specific needs.