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