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Meta | OpenAI | DeepSeek | OpenAI | |
|---|---|---|---|---|
| Vendor | Meta | OpenAI | DeepSeek | OpenAI |
| Family | Llama | o-series | DeepSeek | GPT |
| Release date | 2025-04-05 | 2025-04-16 | 2025-01-20 | 2025-08-07 |
| Context window | 10,000,000 tokens | 200,000 tokens | 128,000 tokens | 400,000 tokens |
| Parameters | 109B | — | 671B | — |
| Modality | text, vision | text, vision | text | text, vision, audio |
| License | Llama 4 Community License | proprietary | MIT | proprietary |
| Source | open weights | proprietary | open weights | proprietary |
| Description | — | Reasoning-focused model in the o-series. | Reasoning-focused open-weight model. | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. |
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