Model Comparison
Gemini 3.1 Pro vs DeepSeek-V4-Flash-Max
Gemini 3.1 Pro significantly outperforms across most benchmarks. DeepSeek-V4-Flash-Max is 32.1x cheaper per token.
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 3.1 Pro outperforms in 7 benchmarks (BrowseComp, GPQA, Humanity's Last Exam, MCP Atlas, SWE-Bench Pro, SWE-Bench Verified, Terminal-Bench 2.0), while DeepSeek-V4-Flash-Max is better at 1 benchmark (GDPval-AA).
Gemini 3.1 Pro significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
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Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 3.1 Pro ($2.50/1M tokens) is 17.9x more expensive than DeepSeek-V4-Flash-Max ($0.14/1M tokens).
For output processing, Gemini 3.1 Pro ($15.00/1M tokens) is 53.6x more expensive than DeepSeek-V4-Flash-Max ($0.28/1M tokens).
In conclusion, Gemini 3.1 Pro is more expensive than DeepSeek-V4-Flash-Max.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Both models have the same input context window of 1,048,576 tokens. DeepSeek-V4-Flash-Max can generate longer responses up to 393,216 tokens, while Gemini 3.1 Pro is limited to 65,536 tokens.
Input Capabilities
Supported data types and modalities
Gemini 3.1 Pro supports multimodal inputs, whereas DeepSeek-V4-Flash-Max does not.
Gemini 3.1 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.
Gemini 3.1 Pro
DeepSeek-V4-Flash-Max
License
Usage and distribution terms
Gemini 3.1 Pro is licensed under a proprietary license, while DeepSeek-V4-Flash-Max 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 3.1 Pro was released on 2026-02-19, while DeepSeek-V4-Flash-Max was released on 2026-04-23.
DeepSeek-V4-Flash-Max is 2 months newer than Gemini 3.1 Pro.
Feb 19, 2026
2 months ago
Apr 23, 2026
1 days ago
2mo newerKnowledge Cutoff
When training data ends
Gemini 3.1 Pro has a documented knowledge cutoff of 2025-01-31, while DeepSeek-V4-Flash-Max's cutoff date is not specified.
We can confirm Gemini 3.1 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without DeepSeek-V4-Flash-Max's cutoff date.
Jan 2025
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Provider Availability
Gemini 3.1 Pro is available from Google. DeepSeek-V4-Flash-Max is available from DeepSeek.
Gemini 3.1 Pro
DeepSeek-V4-Flash-Max
Outputs Comparison
Key Takeaways
Detailed Comparison
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FAQ
Common questions about Gemini 3.1 Pro vs DeepSeek-V4-Flash-Max