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DeepSeek V3 vs GPT-4o Mini
A detailed comparison of DeepSeek V3 (DeepSeek) and GPT-4o Mini (OpenAI) across pricing, performance, and features.
Pricing Comparison
| Metric | DeepSeek V3 | GPT-4o Mini | Difference |
|---|---|---|---|
| Input / 1M tokens | $0.14 | $0.15 | +7% |
| Output / 1M tokens | $0.28 | $0.60 | +114% |
| Context window | 164K | 128K | — |
| Max output | 16.384K | 16.384K | — |
Benchmark Comparison
| Benchmark | DeepSeek V3 | GPT-4o Mini |
|---|---|---|
| MMLU-Pro | 78% | 68% |
| HumanEval | 89% | 87.2% |
Capabilities
| Capability | DeepSeek V3 | GPT-4o Mini |
|---|---|---|
| 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
GPT-4o Mini Strengths
- ✓Extremely cheap
- ✓Fast responses
- ✓Good enough for many production tasks
GPT-4o Mini Weaknesses
- ✗Weaker reasoning than full models
- ✗Can hallucinate more on complex topics
Quick Verdict
Best value: DeepSeek V3 is the more affordable option at $0.14/$0.28 per 1M tokens.
Higher benchmarks: DeepSeek V3 scores higher on average across available benchmarks (83.5% avg).
Larger context: DeepSeek V3 supports 164K tokens.
Choose DeepSeek V3 if cost matters most. Choose GPT-4o Mini if you need the best possible quality for complex tasks.