Model Comparison
DeepSeek R1 Zero vs Gemini 2.5 Pro Preview 06-05Which is better in 2026?
Gemini 2.5 Pro Preview 06-05 significantly outperforms across most benchmarks.
Verdict: DeepSeek R1 Zero vs Gemini 2.5 Pro Preview 06-05 — which is better?
DeepSeek R1 Zero (by DeepSeek) and Gemini 2.5 Pro Preview 06-05 (by Google) 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.
DeepSeek R1 Zero outperforms in 0 benchmarks, while Gemini 2.5 Pro Preview 06-05 is better at 2 benchmarks (GPQA, LiveCodeBench). Gemini 2.5 Pro Preview 06-05 significantly outperforms across most benchmarks.
Choose DeepSeek R1 Zero if…
- you need open weights you can self-host or fine-tune
Choose Gemini 2.5 Pro Preview 06-05 if…
- you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
- you want the most recent training data — it shipped Jun 2025
Performance Benchmarks
Comparative analysis across standard metrics
DeepSeek R1 Zero outperforms in 0 benchmarks, while Gemini 2.5 Pro Preview 06-05 is better at 2 benchmarks (GPQA, LiveCodeBench).
Gemini 2.5 Pro Preview 06-05 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Context Window
Maximum input and output token capacity
Only Gemini 2.5 Pro Preview 06-05 specifies input context (1,048,576 tokens). Only Gemini 2.5 Pro Preview 06-05 specifies output context (65,535 tokens).
Input Capabilities
Supported data types and modalities
Gemini 2.5 Pro Preview 06-05 supports multimodal inputs, whereas DeepSeek R1 Zero does not.
Gemini 2.5 Pro Preview 06-05 can handle both text and other forms of data like images, making it suitable for multimodal applications.
DeepSeek R1 Zero
Gemini 2.5 Pro Preview 06-05
License
Usage and distribution terms
DeepSeek R1 Zero is licensed under MIT, while Gemini 2.5 Pro Preview 06-05 uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
DeepSeek R1 Zero was released on 2025-01-20, while Gemini 2.5 Pro Preview 06-05 was released on 2025-06-05.
Gemini 2.5 Pro Preview 06-05 is 5 months newer than DeepSeek R1 Zero.
Jan 20, 2025
1.4 years ago
Jun 5, 2025
1.0 years ago
4mo newerKnowledge Cutoff
When training data ends
Gemini 2.5 Pro Preview 06-05 has a documented knowledge cutoff of 2025-01-31, while DeepSeek R1 Zero's cutoff date is not specified.
We can confirm Gemini 2.5 Pro Preview 06-05's training data extends to 2025-01-31, but cannot make a direct comparison without DeepSeek R1 Zero's cutoff date.
—
Jan 2025
Outputs Comparison
Key Takeaways
DeepSeek R1 Zero
View detailsDeepSeek
Detailed Comparison
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FAQ
Common questions about DeepSeek R1 Zero vs Gemini 2.5 Pro Preview 06-05.