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DeepSeek V3 vs Gemini 3.1 Pro
A detailed comparison of DeepSeek V3 (DeepSeek) and Gemini 3.1 Pro (Google) across pricing, performance, and features.
Pricing Comparison
| Metric | DeepSeek V3 | Gemini 3.1 Pro | Difference |
|---|---|---|---|
| Input / 1M tokens | $0.14 | $2.00 | +1329% |
| Output / 1M tokens | $0.28 | $12.00 | +4186% |
| Context window | 164K | 1M | — |
| Max output | 16.384K | 64K | — |
Benchmark Comparison
| Benchmark | DeepSeek V3 | Gemini 3.1 Pro |
|---|---|---|
| MMLU-Pro | 78% | 91% |
| HumanEval | 89% | 95% |
| GPQA | — | 94.3% |
Capabilities
| Capability | DeepSeek V3 | Gemini 3.1 Pro |
|---|---|---|
| audio | ✗ | ✓ |
| code | ✓ | ✓ |
| reasoning | ✓ | ✓ |
| text | ✓ | ✓ |
| tool-use | ✗ | ✓ |
| vision | ✗ | ✓ |
DeepSeek V3 Strengths
- ✓Cheapest capable model available
- ✓Strong coding performance
- ✓Open-source
DeepSeek V3 Weaknesses
- ✗No vision support
- ✗Smaller context than competitors
- ✗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 V3 is the more affordable option at $0.14/$0.28 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 V3 if cost matters most. Choose Gemini 3.1 Pro if you need the best possible quality for complex tasks.