Gemini 3.1 Pro vs Claude Sonnet 4.6 Comparison

Comparing Gemini 3.1 Pro and Claude Sonnet 4.6 across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

10 benchmarks

Gemini 3.1 Pro outperforms in 9 benchmarks (ARC-AGI v2, BrowseComp, GPQA, Humanity's Last Exam, MCP Atlas, MMMLU, MMMU-Pro, SWE-Bench Verified, Terminal-Bench 2.0), while Claude Sonnet 4.6 is better at 1 benchmark (GDPval-AA).

Gemini 3.1 Pro significantly outperforms across most benchmarks.

Tue Mar 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Tue Mar 17 2026 • llm-stats.com
Google
Gemini 3.1 Pro
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
Anthropic
Claude Sonnet 4.6
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
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Input Capabilities

Supported data types and modalities

Both Gemini 3.1 Pro and Claude Sonnet 4.6 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemini 3.1 Pro

Text
Images
Audio
Video

Claude Sonnet 4.6

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemini 3.1 Pro

Proprietary

Closed source

Claude Sonnet 4.6

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3.1 Pro was released on 2026-02-19, while Claude Sonnet 4.6 was released on 2026-02-17.

Gemini 3.1 Pro is 0 month newer than Claude Sonnet 4.6.

Gemini 3.1 Pro

Feb 19, 2026

3 weeks ago

2d newer
Claude Sonnet 4.6

Feb 17, 2026

4 weeks ago

Knowledge Cutoff

When training data ends

Gemini 3.1 Pro has a documented knowledge cutoff of 2025-01-31, while Claude Sonnet 4.6's cutoff date is not specified.

We can confirm Gemini 3.1 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without Claude Sonnet 4.6's cutoff date.

Gemini 3.1 Pro

Jan 2025

Claude Sonnet 4.6

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Outputs Comparison

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Key Takeaways

Google
Higher ARC-AGI v2 score (77.1% vs 58.3%)
Higher BrowseComp score (85.9% vs 74.7%)
Higher GPQA score (94.3% vs 89.9%)
Higher Humanity's Last Exam score (51.4% vs 49.0%)
Higher MCP Atlas score (69.2% vs 61.3%)
Higher MMMLU score (92.6% vs 89.3%)
Higher MMMU-Pro score (80.5% vs 75.6%)
Higher SWE-Bench Verified score (80.6% vs 79.6%)
Higher Terminal-Bench 2.0 score (68.5% vs 59.1%)
Anthropic
Higher GDPval-AA score (54.4% vs 43.9%)

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3.1 Pro
Anthropic
Claude Sonnet 4.6