Model Comparison

Gemini 2.0 Flash Thinking vs Grok-1.5VWhich is better in 2026?

Gemini 2.0 Flash Thinking significantly outperforms across most benchmarks.

Verdict: Gemini 2.0 Flash Thinking vs Grok-1.5V — which is better?

Gemini 2.0 Flash Thinking (by Google) and Grok-1.5V (by xAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Gemini 2.0 Flash Thinking outperforms in 1 benchmarks (MMMU), while Grok-1.5V is better at 0 benchmarks. Gemini 2.0 Flash Thinking significantly outperforms across most benchmarks.

Choose Gemini 2.0 Flash Thinking if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped Jan 2025

Choose Grok-1.5V if…

  • you are already invested in the xAI ecosystem
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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Gemini 2.0 Flash Thinking outperforms in 1 benchmarks (MMMU), while Grok-1.5V is better at 0 benchmarks.

Gemini 2.0 Flash Thinking significantly outperforms across most benchmarks.

Sat Jun 06 2026 • llm-stats.com

Arena Performance

Human preference votes

Input Capabilities

Supported data types and modalities

Both Gemini 2.0 Flash Thinking and Grok-1.5V support multimodal inputs.

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

Gemini 2.0 Flash Thinking

Text
Images
Audio
Video

Grok-1.5V

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 2.0 Flash Thinking

Proprietary

Closed source

Grok-1.5V

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 2.0 Flash Thinking was released on 2025-01-21, while Grok-1.5V was released on 2024-04-12.

Gemini 2.0 Flash Thinking is 9 months newer than Grok-1.5V.

Gemini 2.0 Flash Thinking

Jan 21, 2025

1.4 years ago

9mo newer
Grok-1.5V

Apr 12, 2024

2.2 years ago

Knowledge Cutoff

When training data ends

Gemini 2.0 Flash Thinking has a documented knowledge cutoff of 2024-08-01, while Grok-1.5V's cutoff date is not specified.

We can confirm Gemini 2.0 Flash Thinking's training data extends to 2024-08-01, but cannot make a direct comparison without Grok-1.5V's cutoff date.

Gemini 2.0 Flash Thinking

Aug 2024

Grok-1.5V

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Outputs Comparison

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Key Takeaways

Google
Higher MMMU score (75.4% vs 53.6%)
xAI

No standout differentiators in the data we have for this pair.

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 2.0 Flash Thinking
xAI
Grok-1.5V

FAQ

Common questions about Gemini 2.0 Flash Thinking vs Grok-1.5V.

Which is better, Gemini 2.0 Flash Thinking or Grok-1.5V?

Gemini 2.0 Flash Thinking significantly outperforms across most benchmarks. Gemini 2.0 Flash Thinking is made by Google and Grok-1.5V is made by xAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemini 2.0 Flash Thinking compare to Grok-1.5V in benchmarks?

Gemini 2.0 Flash Thinking scores MMMU: 75.4%, GPQA: 74.2%, AIME 2024: 73.3%. Grok-1.5V scores AI2D: 88.3%, DocVQA: 85.6%, TextVQA: 78.1%, ChartQA: 76.1%, RealWorldQA: 68.7%.

Who makes Gemini 2.0 Flash Thinking and Grok-1.5V?

Gemini 2.0 Flash Thinking is developed by Google and Grok-1.5V is developed by xAI.

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