Gemini 3 Flash vs Claude Sonnet 4.6 Comparison

Comparing Gemini 3 Flash and Claude Sonnet 4.6 across benchmarks, pricing, and capabilities.

Performance Benchmarks

Comparative analysis across standard metrics

8 benchmarks

Gemini 3 Flash outperforms in 3 benchmarks (GPQA, MMMLU, MMMU-Pro), while Claude Sonnet 4.6 is better at 5 benchmarks (ARC-AGI v2, Humanity's Last Exam, MCP Atlas, SWE-Bench Verified, Terminal-Bench 2.0).

Claude Sonnet 4.6 shows notably better performance in the majority of 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 Flash
Input tokens$0.50
Output tokens$3.00
Best providerGoogle
Anthropic
Claude Sonnet 4.6
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
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Context Window

Maximum input and output token capacity

Only Gemini 3 Flash specifies input context (1,000,000 tokens). Only Gemini 3 Flash specifies output context (65,536 tokens).

Google
Gemini 3 Flash
Input1,000,000 tokens
Output65,536 tokens
Anthropic
Claude Sonnet 4.6
Input- tokens
Output- tokens
Tue Mar 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3 Flash and Claude Sonnet 4.6 support multimodal inputs.

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

Gemini 3 Flash

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 Flash

Proprietary

Closed source

Claude Sonnet 4.6

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3 Flash was released on 2025-12-17, while Claude Sonnet 4.6 was released on 2026-02-17.

Claude Sonnet 4.6 is 2 months newer than Gemini 3 Flash.

Gemini 3 Flash

Dec 17, 2025

3 months ago

Claude Sonnet 4.6

Feb 17, 2026

4 weeks ago

2mo newer

Knowledge Cutoff

When training data ends

Gemini 3 Flash 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 Flash's training data extends to 2025-01-31, but cannot make a direct comparison without Claude Sonnet 4.6's cutoff date.

Gemini 3 Flash

Jan 2025

Claude Sonnet 4.6

Outputs Comparison

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Key Takeaways

Larger context window (1,000,000 tokens)
Higher GPQA score (90.4% vs 89.9%)
Higher MMMLU score (91.8% vs 89.3%)
Higher MMMU-Pro score (81.2% vs 75.6%)
Higher ARC-AGI v2 score (58.3% vs 33.6%)
Higher Humanity's Last Exam score (49.0% vs 43.5%)
Higher MCP Atlas score (61.3% vs 57.4%)
Higher SWE-Bench Verified score (79.6% vs 78.0%)
Higher Terminal-Bench 2.0 score (59.1% vs 47.6%)

Detailed Comparison

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