Model Comparison

Gemini 3 Flash vs Grok-4

Gemini 3 Flash significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Gemini 3 Flash outperforms in 4 benchmarks (AIME 2025, ARC-AGI v2, GPQA, Humanity's Last Exam), while Grok-4 is better at 0 benchmarks.

Gemini 3 Flash significantly outperforms across most benchmarks.

Fri Apr 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
Fri Apr 17 2026 • llm-stats.com
Google
Gemini 3 Flash
Input tokens$0.50
Output tokens$3.00
Best providerGoogle
xAI
Grok-4
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
xAI
Grok-4
Input- tokens
Output- tokens
Fri Apr 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3 Flash and Grok-4 support multimodal inputs.

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

Gemini 3 Flash

Text
Images
Audio
Video

Grok-4

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

Grok-4

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3 Flash was released on 2025-12-17, while Grok-4 was released on 2025-07-09.

Gemini 3 Flash is 5 months newer than Grok-4.

Gemini 3 Flash

Dec 17, 2025

4 months ago

5mo newer
Grok-4

Jul 9, 2025

9 months ago

Knowledge Cutoff

When training data ends

Gemini 3 Flash has a knowledge cutoff of 2025-01-31, while Grok-4 has a cutoff of 2024-12-31.

Gemini 3 Flash has more recent training data (up to 2025-01-31), making it potentially better informed about events through that date compared to Grok-4 (2024-12-31).

Gemini 3 Flash

Jan 2025

1 mo newer
Grok-4

Dec 2024

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,000,000 tokens)
Higher AIME 2025 score (99.7% vs 91.7%)
Higher ARC-AGI v2 score (33.6% vs 15.9%)
Higher GPQA score (90.4% vs 87.5%)
Higher Humanity's Last Exam score (43.5% vs 40.0%)
xAI
GoogleGemini 3 Flash
xAIGrok-4
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Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3 Flash
xAI
Grok-4

FAQ

Common questions about Gemini 3 Flash vs Grok-4

Gemini 3 Flash significantly outperforms across most benchmarks. Gemini 3 Flash is made by Google and Grok-4 is made by xAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Gemini 3 Flash scores Vending-Bench 2: 100.0%, AIME 2025: 99.7%, Global PIQA: 92.8%, MMMLU: 91.8%, GPQA: 90.4%. Grok-4 scores AIME 2025: 91.7%, HMMT25: 90.0%, GPQA: 87.5%, LiveCodeBench: 79.0%, Humanity's Last Exam: 40.0%.
Gemini 3 Flash supports 1.0M tokens and Grok-4 supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Gemini 3 Flash is developed by Google and Grok-4 is developed by xAI.