How Does DeepSeek V3 Compare to GPT-4o Mini?
China's budget champion vs OpenAI's smallest model. GPT-4o Mini is cheaper on both input and output. DeepSeek V3 scores higher (82 vs 75/100).
Side-by-Side Pricing
| Metric | DeepSeek V3 | GPT-4o Mini |
|---|---|---|
| Input (per 1M tokens) | $0.27 | $0.15 |
| Output (per 1M tokens) | $1.10 | $0.60 |
| 1-page summary cost | <$0.001 | <$0.001 |
| 10K conversation cost | $0.0044 | $0.0024 |
Quality & Benchmarks
| Metric | DeepSeek V3 | GPT-4o Mini |
|---|---|---|
| Aggregate quality score | 82/100 | 75/100 |
| Best for | budget reasoning, coding, math-heavy tasks | high-volume, budget tasks, fine-tuning base |
| Provider | DeepSeek | OpenAI |
Speed & Context Window
| Metric | DeepSeek V3 | GPT-4o Mini |
|---|---|---|
| Speed (tokens/sec) | 60 tok/s | 130 tok/s |
| Context window | 128K | 128K |
GPT-4o Mini is faster at 130 tok/s vs 60 tok/s. DeepSeek V3 supports 128K context vs GPT-4o Mini's 128K.
Privacy & Data Handling
| Aspect | DeepSeek V3 | GPT-4o Mini |
|---|---|---|
| Data retention | Not used for training (API) | Not used for training (API) |
| SOC 2 | Yes | Yes |
| EU data residency | Available on request | Available on request |
Verdict: When to Pick Each
Pick GPT-4o Mini if you want better value (quality per dollar). Pick DeepSeek V3 if you need peak quality.
- DeepSeek V3: Best when you need budget reasoning, coding, math-heavy tasks
- GPT-4o Mini: Best when you need high-volume, budget tasks, fine-tuning base
FAQ
Is DeepSeek V3 better than GPT-4o Mini?
DeepSeek V3 scores 82/100 vs GPT-4o Mini at 75/100. DeepSeek V3 is best for budget reasoning, coding, math-heavy tasks. GPT-4o Mini is best for high-volume, budget tasks, fine-tuning base. The right choice depends on your use case and budget.
Which is cheaper, DeepSeek V3 or GPT-4o Mini?
GPT-4o Mini is cheaper on both input and output.
Can I switch between DeepSeek V3 and GPT-4o Mini?
Yes. Both models support standard chat completion APIs. You can use model routing to send simple queries to the cheaper model and complex queries to the more capable one, optimizing your costs.
Prices last verified: April 2026. Pricing may change — always check provider websites for current rates.
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