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DeepSeek R1 vs Gemini 3.1 Pro
A detailed comparison of DeepSeek R1 (DeepSeek) and Gemini 3.1 Pro (Google) across pricing, performance, and features.
Pricing Comparison
| Metric | DeepSeek R1 | Gemini 3.1 Pro | Difference |
|---|---|---|---|
| Input / 1M tokens | $0.55 | $2.00 | +264% |
| Output / 1M tokens | $2.19 | $12.00 | +448% |
| Context window | 128K | 1M | — |
| Max output | 64K | 64K | — |
Benchmark Comparison
| Benchmark | DeepSeek R1 | Gemini 3.1 Pro |
|---|---|---|
| MMLU-Pro | 84% | 91% |
| HumanEval | 92% | 95% |
| GPQA | 71.5% | 94.3% |
Capabilities
| Capability | DeepSeek R1 | Gemini 3.1 Pro |
|---|---|---|
| audio | ✗ | ✓ |
| code | ✓ | ✓ |
| reasoning | ✓ | ✓ |
| text | ✓ | ✓ |
| tool-use | ✗ | ✓ |
| vision | ✗ | ✓ |
DeepSeek R1 Strengths
- ✓Cheapest reasoning model available
- ✓Strong math and science performance
- ✓Open-source with off-peak discounts
DeepSeek R1 Weaknesses
- ✗Slower than non-reasoning models
- ✗No vision or tool-use
- ✗China-based — availability concerns
Gemini 3.1 Pro Strengths
- ✓#1 on 12 of 18 tracked benchmarks
- ✓94.3% GPQA Diamond — highest of any model
- ✓Same price as Gemini 3 Pro (free upgrade)
- ✓1M context with configurable thinking levels
Gemini 3.1 Pro Weaknesses
- ✗Still in preview
- ✗Context-tiered pricing ($4/$18 above 200K)
Quick Verdict
Best value: DeepSeek R1 is the more affordable option at $0.55/$2.19 per 1M tokens.
Higher benchmarks: Gemini 3.1 Pro scores higher on average across available benchmarks (93.4% avg).
Larger context: Gemini 3.1 Pro supports 1M tokens.
Choose DeepSeek R1 if cost matters most. Choose Gemini 3.1 Pro if you need the best possible quality for complex tasks.