Gemini 3.1 Pro vs Claude Sonnet 4.5
Google's frontier model with a large leap in core reasoning.
High-performance model for real-world agents and coding.
No captured outputs for these models yet.
Frequently Asked Questions: Gemini 3.1 Pro vs Claude Sonnet 4.5▼
Which is better, Gemini 3.1 Pro or Claude Sonnet 4.5?
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Based on the Capability Index, Gemini 3.1 Pro scores higher (86.4 vs 78.9). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
Which is cheaper, Gemini 3.1 Pro or Claude Sonnet 4.5?
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Gemini 3.1 Pro has a lower blended cost. Gemini 3.1 Pro: $2.00 input / $12.00 output. Claude Sonnet 4.5: $3.00 input / $15.00 output.
Which has a larger context window, Gemini 3.1 Pro or Claude Sonnet 4.5?
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Gemini 3.1 Pro has a larger context window: Gemini 3.1 Pro supports 1M tokens vs Claude Sonnet 4.5 at 1M tokens.
Do both Gemini 3.1 Pro and Claude Sonnet 4.5 support vision?
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Yes, both Gemini 3.1 Pro and Claude Sonnet 4.5 support vision/image input.
Which has better coding performance, Gemini 3.1 Pro or Claude Sonnet 4.5?
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Gemini 3.1 Pro scores higher on SWE-bench Verified: Gemini 3.1 Pro resolves 81% vs Claude Sonnet 4.5 at 71%.
What are the key differences between Gemini 3.1 Pro and Claude Sonnet 4.5?
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Key differences: Gemini 3.1 Pro has a notably higher capability index (7.5 point gap). Compare full specs on this page.
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 Gemini 3.1 Pro and Claude Sonnet 4.5 for free on idapt.app to see which performs better for your specific needs.