Compare models
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 Llama 4 ScoutMeta |  Grok 4xAI |  GPT-5OpenAI | |
|---|---|---|---|
| Vendor | Meta | xAI | OpenAI |
| Family | Llama | Grok | GPT |
| Release date | 2025-04-05 | 2025-07-09 | 2025-08-07 |
| Context window | 10,000,000 tokens | 256,000 tokens | 400,000 tokens |
| Parameters | 109B | — | — |
| Modality | text, vision | text | text, vision, audio |
| License | Llama 4 Community License | proprietary | proprietary |
| Source | open weights | proprietary | proprietary |
| Description | — | — | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. |
| Links |
