Model Comparison

Gemini 3 Pro vs Claude Sonnet 4.6

Claude Sonnet 4.6 has a slight edge in benchmark performance. Gemini 3 Pro is 1.3x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

7 benchmarks

Gemini 3 Pro outperforms in 3 benchmarks (GPQA, MMMLU, MMMU-Pro), while Claude Sonnet 4.6 is better at 4 benchmarks (ARC-AGI v2, Humanity's Last Exam, SWE-Bench Verified, Terminal-Bench 2.0).

Claude Sonnet 4.6 has a slight edge in benchmark performance.

Fri Apr 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 3 Pro costs less

For input processing, Gemini 3 Pro ($2.00/1M tokens) is 1.5x cheaper than Claude Sonnet 4.6 ($3.00/1M tokens).

For output processing, Gemini 3 Pro ($12.00/1M tokens) is 1.3x cheaper than Claude Sonnet 4.6 ($15.00/1M tokens).

In conclusion, Claude Sonnet 4.6 is more expensive than Gemini 3 Pro.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Fri Apr 17 2026 • llm-stats.com
Google
Gemini 3 Pro
Input tokens$2.00
Output tokens$12.00
Best providerGoogle
Anthropic
Claude Sonnet 4.6
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 3 Pro accepts 1,048,576 input tokens compared to Claude Sonnet 4.6's 200,000 tokens. Gemini 3 Pro can generate longer responses up to 65,536 tokens, while Claude Sonnet 4.6 is limited to 64,000 tokens.

Google
Gemini 3 Pro
Input1,048,576 tokens
Output65,536 tokens
Anthropic
Claude Sonnet 4.6
Input200,000 tokens
Output64,000 tokens
Fri Apr 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3 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 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 Pro

Proprietary

Closed source

Claude Sonnet 4.6

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3 Pro was released on 2025-11-18, while Claude Sonnet 4.6 was released on 2026-02-17.

Claude Sonnet 4.6 is 3 months newer than Gemini 3 Pro.

Gemini 3 Pro

Nov 18, 2025

5 months ago

Claude Sonnet 4.6

Feb 17, 2026

1 months ago

3mo newer

Knowledge Cutoff

When training data ends

Gemini 3 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 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 Pro

Jan 2025

Claude Sonnet 4.6

—

Provider Availability

Gemini 3 Pro is available from Google. Claude Sonnet 4.6 is available from Anthropic.

Gemini 3 Pro

google logo
Google
Input Price:Input: $2.00/1MOutput Price:Output: $12.00/1M

Claude Sonnet 4.6

anthropic logo
Anthropic
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,048,576 tokens)
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (91.9% vs 89.9%)
Higher MMMLU score (91.8% vs 89.3%)
Higher MMMU-Pro score (81.0% vs 75.6%)
Anthropic
Higher ARC-AGI v2 score (58.3% vs 31.1%)
Higher Humanity's Last Exam score (49.0% vs 45.8%)
Higher SWE-Bench Verified score (79.6% vs 76.2%)
Higher Terminal-Bench 2.0 score (59.1% vs 54.2%)

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3 Pro
Anthropic
Claude Sonnet 4.6

FAQ

Common questions about Gemini 3 Pro vs Claude Sonnet 4.6

Claude Sonnet 4.6 has a slight edge in benchmark performance. Gemini 3 Pro is made by Google and Claude Sonnet 4.6 is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Gemini 3 Pro scores AIME 2025: 100.0%, Vending-Bench 2: 100.0%, Global PIQA: 93.4%, GPQA: 91.9%, MMMLU: 91.8%. Claude Sonnet 4.6 scores Tau2 Telecom: 97.9%, Tau2 Retail: 91.7%, GPQA: 89.9%, MMMLU: 89.3%, SWE-Bench Verified: 79.6%.
Gemini 3 Pro is 1.5x cheaper for input tokens. Gemini 3 Pro costs $2.00/M input and $12.00/M output via google. Claude Sonnet 4.6 costs $3.00/M input and $15.00/M output via anthropic.
Gemini 3 Pro supports 1.0M tokens and Claude Sonnet 4.6 supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (1.0M vs 200K), input pricing ($2.00 vs $3.00/M). See the full comparison above for benchmark-by-benchmark results.
Gemini 3 Pro is developed by Google and Claude Sonnet 4.6 is developed by Anthropic.