DeepSeek Chat (R1-based) vs Gemini 3.1 Flash
DeepSeek DeepSeek Chat (R1-based) | Google Gemini 3.1 Flash | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | |
| Release date | Jan 20 2025 | Feb 26 2026 |
| Access | Open Weight | Proprietary |
| Timeline | ||
| Release gap | DeepSeek Chat (R1-based) shipped 402 days before Gemini 3.1 Flash | |
Which is better: DeepSeek Chat (R1-based) or Gemini 3.1 Flash?
DeepSeek Chat (R1-based) and Gemini 3.1 Flash don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek Chat (R1-based) shipped 402 days before Gemini 3.1 Flash, so benchmark comparisons should account for the intervening progress.
DeepSeek Chat (R1-based) is open weight, while Gemini 3.1 Flash is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek Chat (R1-based) and Gemini 3.1 Flash don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek Chat (R1-based) was released by DeepSeek on Jan 20 2025.
Gemini 3.1 Flash was released by Google on Feb 26 2026.
DeepSeek Chat (R1-based) is an open weight model released by DeepSeek. Gemini 3.1 Flash is a proprietary model released by Google.