Claude 4.5 Haiku vs DeepSeek-R1
Direct spec comparison of Claude 4.5 Haiku (from Anthropic) and DeepSeek-R1 (from DeepSeek). Want a 3- or 4-way comparison? Open the multi-model tool →
 Claude 4.5 HaikuAnthropic |  DeepSeek-R1DeepSeek | |
|---|---|---|
| Vendor | Anthropic | DeepSeek |
| Family | Claude | DeepSeek |
| Release date | 2025-10-01 | 2025-01-20 |
| Context window | 200,000 tokens | 128,000 tokens |
| Parameters | — | 671B |
| Modality | text, vision | text |
| License | proprietary | MIT |
| Source | proprietary | open weights |
| Description | Fast, cost-effective Claude model. | Reasoning-focused open-weight model. |
| Links |
More like this
Looking for a different head-to-head? Build your own comparison on the multi-model tool.
Or see all Claude 4.5 Haiku details / DeepSeek-R1 details.