Model comparison
DeepSeek V4 Pro vs o3
DeepSeek
DeepSeek V4 Pro
The price collapse - frontier quality at a fraction of the cost.
OpenAI
o3
OpenAI's mainstream reasoning model - production-viable thinking.
Specs
| Metric | DeepSeek V4 Pro | o3 |
|---|---|---|
| Context window | 1.0M tokens↑ | 200K tokens |
| Input $/1M tokens | $0.435↑ | $2.00 |
| Output $/1M tokens | $0.870↑ | $8.00 |
| Modalities | Text | Image · Text · File |
| Open weights | Yes | No |
| Released | Dec 2024 | Apr 2025 |
Capability differences
| Capability | DeepSeek V4 Pro | o3 |
|---|---|---|
| Extended thinking | No | Yes |
| Prompt caching | Yes | No |
| Open weights | Yes | No |
Key differences
- -DeepSeek V4 Pro offers 1.0M context; o3 offers 200K.
- -Input pricing: DeepSeek V4 Pro at $0.435/1M vs o3 at $2.00/1M.
- -DeepSeek V4 Pro is open weights; o3 is proprietary.