Gemini 3 Flash vs DeepSeek-V3.2 (Thinking) Comparison
Comparing Gemini 3 Flash and DeepSeek-V3.2 (Thinking) across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 3 Flash outperforms in 7 benchmarks (AIME 2025, GPQA, Humanity's Last Exam, SWE-Bench Verified, t2-bench, Terminal-Bench 2.0, Toolathlon), while DeepSeek-V3.2 (Thinking) is better at 0 benchmarks.
Gemini 3 Flash significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 3 Flash ($0.50/1M tokens) is 1.8x more expensive than DeepSeek-V3.2 (Thinking) ($0.28/1M tokens).
For output processing, Gemini 3 Flash ($3.00/1M tokens) is 7.1x more expensive than DeepSeek-V3.2 (Thinking) ($0.42/1M tokens).
In conclusion, Gemini 3 Flash is more expensive than DeepSeek-V3.2 (Thinking).*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Gemini 3 Flash accepts 1,000,000 input tokens compared to DeepSeek-V3.2 (Thinking)'s 131,072 tokens. Both models can generate responses up to 65,536 tokens.
Input Capabilities
Supported data types and modalities
Gemini 3 Flash supports multimodal inputs, whereas DeepSeek-V3.2 (Thinking) does not.
Gemini 3 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.
Gemini 3 Flash
DeepSeek-V3.2 (Thinking)
License
Usage and distribution terms
Gemini 3 Flash is licensed under a proprietary license, while DeepSeek-V3.2 (Thinking) uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT
Open weights
Release Timeline
When each model was launched
Gemini 3 Flash was released on 2025-12-17, while DeepSeek-V3.2 (Thinking) was released on 2025-12-01.
Gemini 3 Flash is 1 month newer than DeepSeek-V3.2 (Thinking).
Dec 17, 2025
3 months ago
2w newerDec 1, 2025
3 months ago
Knowledge Cutoff
When training data ends
Gemini 3 Flash has a documented knowledge cutoff of 2025-01-31, while DeepSeek-V3.2 (Thinking)'s cutoff date is not specified.
We can confirm Gemini 3 Flash's training data extends to 2025-01-31, but cannot make a direct comparison without DeepSeek-V3.2 (Thinking)'s cutoff date.
Jan 2025
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Provider Availability
Gemini 3 Flash is available from Google. DeepSeek-V3.2 (Thinking) is available from DeepSeek. The availability of providers can affect quality of the model and reliability.
Gemini 3 Flash
DeepSeek-V3.2 (Thinking)
Outputs Comparison
Key Takeaways
Detailed Comparison
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