Compare models
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 Claude 4.6 SonnetAnthropic |  DeepSeek-R1DeepSeek |  o3OpenAI | |
|---|---|---|---|
| Vendor | Anthropic | DeepSeek | OpenAI |
| Family | Claude | DeepSeek | o-series |
| Release date | — | 2025-01-20 | 2025-04-16 |
| Context window | 200,000 tokens | 128,000 tokens | 200,000 tokens |
| Parameters | — | 671B | — |
| Modality | text, vision | text | text, vision |
| License | proprietary | MIT | proprietary |
| Source | proprietary | open weights | proprietary |
| Description | — | Reasoning-focused open-weight model. | Reasoning-focused model in the o-series. |
| Links |
