Model comparison
DeepSeek R1 vs o3
DeepSeek
DeepSeek R1
The open-weights reasoning model that reset the cost curve.
OpenAI
o3
OpenAI's mainstream reasoning model - production-viable thinking.
Specs
| Metric | DeepSeek R1 | o3 |
|---|---|---|
| Context window | 164K tokens | 200K tokens↑ |
| Input $/1M tokens | $0.700↑ | $2.00 |
| Output $/1M tokens | $2.50↑ | $8.00 |
| Modalities | Text | Image · Text · File |
| Open weights | Yes | No |
| Released | Jan 2025 | Apr 2025 |
Capability differences
| Capability | DeepSeek R1 | o3 |
|---|---|---|
| Tool use | No | Yes |
| Open weights | Yes | No |
Key differences
- -DeepSeek R1 offers 164K context; o3 offers 200K.
- -Input pricing: DeepSeek R1 at $0.700/1M vs o3 at $2.00/1M.
- -DeepSeek R1 is open weights; o3 is proprietary.