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 Superseded by GPT-5.5 in April 2026.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