Model comparison
GPT-5.4 Mini vs DeepSeek V4 Pro
OpenAI
GPT-5.4 Mini
GPT-5 economics for high-volume routine tasks.
DeepSeek
DeepSeek V4 Pro
The price collapse — frontier quality at a fraction of the cost.
Specs
| Metric | GPT-5.4 Mini | DeepSeek V4 Pro |
|---|---|---|
| Context window | 400K tokens | 1.0M tokens↑ |
| Input $/1M tokens | $0.750 | $0.435↑ |
| Output $/1M tokens | $4.50 | $0.870↑ |
| Modalities | File · Image · Text | Text |
| Open weights | No | Yes |
| Released | — | Dec 2024 |
Capability differences
| Capability | GPT-5.4 Mini | DeepSeek V4 Pro |
|---|---|---|
| Vision | Yes | No |
| Open weights | No | Yes |
Key differences
- —GPT-5.4 Mini offers 400K context; DeepSeek V4 Pro offers 1.0M.
- —Input pricing: GPT-5.4 Mini at $0.750/1M vs DeepSeek V4 Pro at $0.435/1M.
- —DeepSeek V4 Pro is open weights; GPT-5.4 Mini is proprietary.