Compare models
Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.
 DeepSeek-R1DeepSeek | DeepSeek-V3.1 DeepSeek |  Claude 4.5 HaikuAnthropic | |
|---|---|---|---|
| Vendor | DeepSeek | DeepSeek | Anthropic |
| Family | DeepSeek | DeepSeek | Claude |
| Release date | 2025-01-20 | 2025-08-21 | 2025-10-01 |
| Context window | 128,000 tokens | 128,000 tokens | 200,000 tokens |
| Parameters | 671B | 671B | — |
| Modality | text | text | text, vision |
| License | MIT | MIT | proprietary |
| Source | open weights | open weights | proprietary |
| Description | Reasoning-focused open-weight model. | Large MoE open-weight model. Predecessor to DeepSeek-V4. | Fast, cost-effective Claude model. |
| Links |
