Model Comparison

Grok-3 vs Gemini 2.5 Pro Preview 06-05

Both models are evenly matched across the benchmarks. Gemini 2.5 Pro Preview 06-05 is 1.7x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Grok-3 outperforms in 2 benchmarks (AIME 2025, LiveCodeBench), while Gemini 2.5 Pro Preview 06-05 is better at 2 benchmarks (GPQA, MMMU).

Both models are evenly matched across the benchmarks.

Sat May 02 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 2.5 Pro Preview 06-05 costs less

For input processing, Grok-3 ($3.00/1M tokens) is 2.4x more expensive than Gemini 2.5 Pro Preview 06-05 ($1.25/1M tokens).

For output processing, Grok-3 ($15.00/1M tokens) is 1.5x more expensive than Gemini 2.5 Pro Preview 06-05 ($10.00/1M tokens).

In conclusion, Grok-3 is more expensive than Gemini 2.5 Pro Preview 06-05.*

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

Lowest available price from all providers
Sat May 02 2026 • llm-stats.com
xAI
Grok-3
Input tokens$3.00
Output tokens$15.00
Best providerxAI
Google
Gemini 2.5 Pro Preview 06-05
Input tokens$1.25
Output tokens$10.00
Best providerGoogle
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 2.5 Pro Preview 06-05 accepts 1,048,576 input tokens compared to Grok-3's 128,000 tokens. Gemini 2.5 Pro Preview 06-05 can generate longer responses up to 65,535 tokens, while Grok-3 is limited to 8,000 tokens.

xAI
Grok-3
Input128,000 tokens
Output8,000 tokens
Google
Gemini 2.5 Pro Preview 06-05
Input1,048,576 tokens
Output65,535 tokens
Sat May 02 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Grok-3 and Gemini 2.5 Pro Preview 06-05 support multimodal inputs.

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

Grok-3

Text
Images
Audio
Video

Gemini 2.5 Pro Preview 06-05

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.

Grok-3

Proprietary

Closed source

Gemini 2.5 Pro Preview 06-05

Proprietary

Closed source

Release Timeline

When each model was launched

Grok-3 was released on 2025-02-17, while Gemini 2.5 Pro Preview 06-05 was released on 2025-06-05.

Gemini 2.5 Pro Preview 06-05 is 4 months newer than Grok-3.

Grok-3

Feb 17, 2025

1.2 years ago

Gemini 2.5 Pro Preview 06-05

Jun 5, 2025

11 months ago

3mo newer

Knowledge Cutoff

When training data ends

Grok-3 has a knowledge cutoff of 2024-11-17, while Gemini 2.5 Pro Preview 06-05 has a cutoff of 2025-01-31.

Gemini 2.5 Pro Preview 06-05 has more recent training data (up to 2025-01-31), making it potentially better informed about events through that date compared to Grok-3 (2024-11-17).

Grok-3

Nov 2024

Gemini 2.5 Pro Preview 06-05

Jan 2025

2 mo newer

Provider Availability

Grok-3 is available from xAI. Gemini 2.5 Pro Preview 06-05 is available from Google.

Grok-3

xai logo
xAI
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

Gemini 2.5 Pro Preview 06-05

google logo
Google
Input Price:Input: $1.25/1MOutput Price:Output: $10.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

xAI
Higher AIME 2025 score (93.3% vs 88.0%)
Higher LiveCodeBench score (79.4% vs 69.0%)
Google
Larger context window (1,048,576 tokens)
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (86.4% vs 84.6%)
Higher MMMU score (82.0% vs 78.0%)
xAIGrok-3
GoogleGemini 2.5 Pro Preview 06-05
Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature
xAI
Grok-3
Google
Gemini 2.5 Pro Preview 06-05

FAQ

Common questions about Grok-3 vs Gemini 2.5 Pro Preview 06-05.

Which is better, Grok-3 or Gemini 2.5 Pro Preview 06-05?

Both models are evenly matched across the benchmarks. Grok-3 is made by xAI and Gemini 2.5 Pro Preview 06-05 is made by Google. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Grok-3 compare to Gemini 2.5 Pro Preview 06-05 in benchmarks?

Grok-3 scores AIME 2024: 93.3%, AIME 2025: 93.3%, GPQA: 84.6%, LiveCodeBench: 79.4%, MMMU: 78.0%. Gemini 2.5 Pro Preview 06-05 scores Global-MMLU-Lite: 89.2%, AIME 2025: 88.0%, FACTS Grounding: 87.8%, GPQA: 86.4%, VideoMMMU: 83.6%.

Is Grok-3 cheaper than Gemini 2.5 Pro Preview 06-05?

Gemini 2.5 Pro Preview 06-05 is 2.4x cheaper for input tokens. Grok-3 costs $3.00/M input and $15.00/M output via xai. Gemini 2.5 Pro Preview 06-05 costs $1.25/M input and $10.00/M output via google.

What are the context window sizes for Grok-3 and Gemini 2.5 Pro Preview 06-05?

Grok-3 supports 128K tokens and Gemini 2.5 Pro Preview 06-05 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Grok-3 and Gemini 2.5 Pro Preview 06-05?

Key differences include context window (128K vs 1.0M), input pricing ($3.00 vs $1.25/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-3 and Gemini 2.5 Pro Preview 06-05?

Grok-3 is developed by xAI and Gemini 2.5 Pro Preview 06-05 is developed by Google.