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DeepSeek V3 vs Gemini 3 Flash
A detailed comparison of DeepSeek V3 (DeepSeek) and Gemini 3 Flash (Google) across pricing, performance, and features.
Pricing Comparison
| Metric | DeepSeek V3 | Gemini 3 Flash | Difference |
|---|---|---|---|
| Input / 1M tokens | $0.14 | $0.50 | +257% |
| Output / 1M tokens | $0.28 | $3.00 | +971% |
| Context window | 164K | 1M | — |
| Max output | 16.384K | 65.536K | — |
Benchmark Comparison
| Benchmark | DeepSeek V3 | Gemini 3 Flash |
|---|---|---|
| MMLU-Pro | 78% | 78% |
| HumanEval | 89% | 90% |
Capabilities
| Capability | DeepSeek V3 | Gemini 3 Flash |
|---|---|---|
| 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 Flash Strengths
- ✓1M context at budget pricing
- ✓Very fast
- ✓Free tier available via Google AI Studio
Gemini 3 Flash Weaknesses
- ✗Less capable than Pro on complex reasoning
- ✗Audio input priced separately ($1/1M)
Quick Verdict
Best value: DeepSeek V3 is the more affordable option at $0.14/$0.28 per 1M tokens.
Higher benchmarks: Gemini 3 Flash scores higher on average across available benchmarks (84.0% avg).
Larger context: Gemini 3 Flash supports 1M tokens.
Choose DeepSeek V3 if cost matters most. Choose Gemini 3 Flash if you need the best possible quality for complex tasks.