Model Comparison

Gemini 3 Flash vs Grok-3 Mini

Gemini 3 Flash significantly outperforms across most benchmarks. Grok-3 Mini is 3.2x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Gemini 3 Flash outperforms in 2 benchmarks (AIME 2025, GPQA), while Grok-3 Mini is better at 0 benchmarks.

Gemini 3 Flash significantly outperforms across most benchmarks.

Sun May 24 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Grok-3 Mini costs less

For input processing, Gemini 3 Flash ($0.50/1M tokens) is 1.7x more expensive than Grok-3 Mini ($0.30/1M tokens).

For output processing, Gemini 3 Flash ($3.00/1M tokens) is 6.0x more expensive than Grok-3 Mini ($0.50/1M tokens).

In conclusion, Gemini 3 Flash is more expensive than Grok-3 Mini.*

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

Lowest available price from all providers

Sun May 24 2026 • llm-stats.com

Gemini 3 Flash

Input tokens$0.50

Output tokens$3.00

Best providerGoogle

Grok-3 Mini

Input tokens$0.30

Output tokens$0.50

Best providerxAI

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Context Window

Maximum input and output token capacity

Gemini 3 Flash accepts 1,000,000 input tokens compared to Grok-3 Mini's 128,000 tokens. Gemini 3 Flash can generate longer responses up to 65,536 tokens, while Grok-3 Mini is limited to 8,000 tokens.

Gemini 3 Flash

Input1,000,000 tokens

Output65,536 tokens

Grok-3 Mini

Input128,000 tokens

Output8,000 tokens

Sun May 24 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3 Flash and Grok-3 Mini 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-3 Mini

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-3 Mini

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3 Flash was released on 2025-12-17, while Grok-3 Mini was released on 2025-02-17.

Gemini 3 Flash is 10 months newer than Grok-3 Mini.

Gemini 3 Flash

Dec 17, 2025

5 months ago

10mo newer

Grok-3 Mini

Feb 17, 2025

1.3 years ago

Knowledge Cutoff

When training data ends

Gemini 3 Flash has a knowledge cutoff of 2025-01-31, while Grok-3 Mini has a cutoff of 2024-11-17.

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-3 Mini (2024-11-17).

Gemini 3 Flash

Jan 2025

2 mo newer

Grok-3 Mini

Nov 2024

Provider Availability

Gemini 3 Flash is available from Google. Grok-3 Mini is available from xAI.

Gemini 3 Flash

Google

Input Price:Input: $0.50/1MOutput Price:Output: $3.00/1M

Grok-3 Mini

xAI

Input Price:Input: $0.30/1MOutput Price:Output: $0.50/1M

* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Gemini 3 Flash

View details

Google

Larger context window (1,000,000 tokens)

Higher AIME 2025 score (99.7% vs 90.8%)

Higher GPQA score (90.4% vs 84.0%)

Grok-3 Mini

View details

xAI

Less expensive input tokens

Less expensive output tokens

Gemini 3 Flash

Grok-3 Mini

Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature	Gemini 3 Flash	Grok-3 Mini

FAQ

Common questions about Gemini 3 Flash vs Grok-3 Mini.

Which is better, Gemini 3 Flash or Grok-3 Mini?

Gemini 3 Flash significantly outperforms across most benchmarks. Gemini 3 Flash is made by Google and Grok-3 Mini is made by xAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemini 3 Flash compare to Grok-3 Mini in benchmarks?

Gemini 3 Flash scores Vending-Bench 2: 100.0%, AIME 2025: 99.7%, Global PIQA: 92.8%, MMMLU: 91.8%, GPQA: 90.4%. Grok-3 Mini scores AIME 2024: 95.8%, AIME 2025: 90.8%, GPQA: 84.0%, LiveCodeBench: 80.4%.

Is Gemini 3 Flash cheaper than Grok-3 Mini?

Grok-3 Mini is 1.7x cheaper for input tokens. Gemini 3 Flash costs $0.50/M input and $3.00/M output via google. Grok-3 Mini costs $0.30/M input and $0.50/M output via xai.

What are the context window sizes for Gemini 3 Flash and Grok-3 Mini?

Gemini 3 Flash supports 1.0M tokens and Grok-3 Mini supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3 Flash and Grok-3 Mini?

Key differences include context window (1.0M vs 128K), input pricing ($0.50 vs $0.30/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3 Flash and Grok-3 Mini?

Gemini 3 Flash is developed by Google and Grok-3 Mini is developed by xAI.