Gemini 3.1 Pro vs Claude Sonnet 4.6
Pricing, context window, and benchmark comparison · Last updated April 2026
Gemini 3.1 Pro is cheaper than Claude Sonnet 4.6 at $2.00/1M/1M vs $3.00/1M/1M input tokens — a 1.5x cost difference. Gemini 3.1 Pro scores higher on quality benchmarks (ELO 1410). Choose Gemini 3.1 Pro for cost-sensitive workloads; both are strong choices depending on your budget.
Which is cheaper: Gemini 3.1 Pro or Claude Sonnet 4.6?
Gemini 3.1 Pro is the cheaper option at $2.00/1M per 1M input tokens, compared to $3.00/1M for Claude Sonnet 4.6. That is a 1.5x cost difference on input tokens. Output pricing follows a similar pattern: Gemini 3.1 Pro charges $12.00/1M/1M vs $15.00/1M/1M for Claude Sonnet 4.6.
Which has better quality: Gemini 3.1 Pro or Claude Sonnet 4.6?
Based on LMSYS Chatbot Arena rankings, Gemini 3.1 Pro achieves a higher ELO score (1410 vs 1390), suggesting stronger performance on open-ended tasks. Gemini 3.1 Pro excels at google's latest flagship with major reasoning improvements. Claude Sonnet 4.6 is known for best combination of speed and intelligence in the claude family.
Which should you choose: Gemini 3.1 Pro or Claude Sonnet 4.6?
- → Google's latest flagship with major reasoning improvements
- → 1M token context window
- → Native multimodal (text, image, video, audio)
- → Best combination of speed and intelligence in the Claude family
- → 1M token context window at standard pricing
- → Extended thinking and adaptive thinking supported
Frequently Asked Questions
Which is cheaper: Gemini 3.1 Pro or Claude Sonnet 4.6?
Gemini 3.1 Pro is cheaper at $2.00/1M per 1M input tokens, making it 1.5x more affordable.
Which has better quality: Gemini 3.1 Pro or Claude Sonnet 4.6?
Gemini 3.1 Pro scores higher on the LMSYS Chatbot Arena with an ELO of 1410, suggesting better overall quality for most tasks.
Which has a larger context window: Gemini 3.1 Pro or Claude Sonnet 4.6?
Both Gemini 3.1 Pro and Claude Sonnet 4.6 have the same context window.
Should I choose Gemini 3.1 Pro or Claude Sonnet 4.6?
Choose Gemini 3.1 Pro if cost is the priority. Choose Gemini 3.1 Pro if benchmark quality is most important. Consider your specific use case: Gemini 3.1 Pro is best for reasoning and long-context, while Claude Sonnet 4.6 excels at coding and function-calling.
Is Gemini 3.1 Pro or Claude Sonnet 4.6 open source?
Gemini 3.1 Pro is proprietary. Claude Sonnet 4.6 is proprietary.