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OpenAI | Meta | xAI | Mistral | |
|---|---|---|---|---|
| Vendor | OpenAI | Meta | xAI | Mistral |
| Family | GPT | Llama | Grok | Mistral |
| Release date | 2025-08-07 | 2025-04-05 | 2025-07-09 | 2024-07-24 |
| Context window | 400,000 tokens | 10,000,000 tokens | 256,000 tokens | 128,000 tokens |
| Parameters | — | 109B | — | 123B |
| Modality | text, vision, audio | text, vision | text | text |
| License | proprietary | Llama 4 Community License | proprietary | Mistral Research License |
| Source | proprietary | open weights | proprietary | open weights |
| Description | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | — | — | — |
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