Gemini 3 Pro vs Grok-3 Mini Comparison

Comparing Gemini 3 Pro and Grok-3 Mini across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

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

Gemini 3 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

Grok-3 Mini costs less

For input processing, Gemini 3 Pro ($2.00/1M tokens) is 6.7x more expensive than Grok-3 Mini ($0.30/1M tokens).

For output processing, Gemini 3 Pro ($12.00/1M tokens) is 24.0x more expensive than Grok-3 Mini ($0.50/1M tokens).

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

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

Lowest available price from all providers

Tue Mar 17 2026 • llm-stats.com

Gemini 3 Pro

Input tokens$2.00

Output tokens$12.00

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 Pro accepts 1,048,576 input tokens compared to Grok-3 Mini's 128,000 tokens. Gemini 3 Pro can generate longer responses up to 65,536 tokens, while Grok-3 Mini is limited to 8,000 tokens.

Gemini 3 Pro

Input1,048,576 tokens

Output65,536 tokens

Grok-3 Mini

Input128,000 tokens

Output8,000 tokens

Tue Mar 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3 Pro and Grok-3 Mini support multimodal inputs.

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

Gemini 3 Pro

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 Pro

Proprietary

Closed source

Grok-3 Mini

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3 Pro was released on 2025-11-18, while Grok-3 Mini was released on 2025-02-17.

Gemini 3 Pro is 9 months newer than Grok-3 Mini.

Gemini 3 Pro

Nov 18, 2025

3 months ago

9mo newer

Grok-3 Mini

Feb 17, 2025

1.1 years ago

Knowledge Cutoff

When training data ends

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

Gemini 3 Pro 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 Pro

Jan 2025

2 mo newer

Grok-3 Mini

Nov 2024

Provider Availability

Gemini 3 Pro is available from Google. Grok-3 Mini is available from xAI. The availability of providers can affect quality of the model and reliability.