Model Comparison

Gemini 3 Pro vs Grok-2

Gemini 3 Pro significantly outperforms across most benchmarks. Grok-2 is 1.1x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Gemini 3 Pro outperforms in 1 benchmarks (GPQA), while Grok-2 is better at 0 benchmarks.

Gemini 3 Pro significantly outperforms across most benchmarks.

Wed Apr 15 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Grok-2 costs less

For input processing, Gemini 3 Pro ($2.00/1M tokens) costs the same as Grok-2 ($2.00/1M tokens).

For output processing, Gemini 3 Pro ($12.00/1M tokens) is 1.2x more expensive than Grok-2 ($10.00/1M tokens).

In conclusion, Gemini 3 Pro is more expensive than Grok-2.*

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

Lowest available price from all providers
Wed Apr 15 2026 • llm-stats.com
Google
Gemini 3 Pro
Input tokens$2.00
Output tokens$12.00
Best providerGoogle
xAI
Grok-2
Input tokens$2.00
Output tokens$10.00
Best providerxAI
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 Grok-2's 128,000 tokens. Gemini 3 Pro can generate longer responses up to 65,536 tokens, while Grok-2 is limited to 8,000 tokens.

Google
Gemini 3 Pro
Input1,048,576 tokens
Output65,536 tokens
xAI
Grok-2
Input128,000 tokens
Output8,000 tokens
Wed Apr 15 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3 Pro and Grok-2 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-2

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-2

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3 Pro was released on 2025-11-18, while Grok-2 was released on 2024-08-13.

Gemini 3 Pro is 15 months newer than Grok-2.

Gemini 3 Pro

Nov 18, 2025

4 months ago

1.3yr newer
Grok-2

Aug 13, 2024

1.7 years ago

Knowledge Cutoff

When training data ends

Gemini 3 Pro has a documented knowledge cutoff of 2025-01-31, while Grok-2'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 Grok-2's cutoff date.

Gemini 3 Pro

Jan 2025

Grok-2

—

Provider Availability

Gemini 3 Pro is available from Google. Grok-2 is available from xAI.

Gemini 3 Pro

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

Grok-2

xai logo
xAI
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,048,576 tokens)
Higher GPQA score (91.9% vs 56.0%)
xAI
Less expensive output tokens

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3 Pro
xAI
Grok-2

FAQ

Common questions about Gemini 3 Pro vs Grok-2

Gemini 3 Pro significantly outperforms across most benchmarks. Gemini 3 Pro is made by Google and Grok-2 is made by xAI. 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%. Grok-2 scores DocVQA: 93.6%, HumanEval: 88.4%, MMLU: 87.5%, MATH: 76.1%, MMLU-Pro: 75.5%.
Both models cost $2.00 per million input tokens.
Gemini 3 Pro supports 1.0M tokens and Grok-2 supports 128K 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 128K). See the full comparison above for benchmark-by-benchmark results.
Gemini 3 Pro is developed by Google and Grok-2 is developed by xAI.