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xAI | Anthropic | Alibaba | Meta | |
|---|---|---|---|---|
| Vendor | xAI | Anthropic | Alibaba | Meta |
| Family | Grok | Claude | Qwen | Llama |
| Release date | 2025-07-09 | 2025-10-01 | 2025-04-29 | 2025-04-05 |
| Context window | 256,000 tokens | 200,000 tokens | 128,000 tokens | 1,000,000 tokens |
| Parameters | — | — | 235B | 400B |
| Modality | text | text, vision | text | text, vision |
| License | proprietary | proprietary | Apache-2.0 | Llama 4 Community License |
| Source | proprietary | proprietary | open weights | open weights |
| Description | — | Fast, cost-effective Claude model. | Predecessor to the Qwen3.6 family. | Mixture-of-experts open-weight model from Meta. |
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