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OpenAI | OpenAI | Alibaba | xAI | |
|---|---|---|---|---|
| Vendor | OpenAI | OpenAI | Alibaba | xAI |
| Family | o-series | GPT | Qwen | Grok |
| Release date | 2025-04-16 | 2025-04-14 | 2025-04-29 | 2025-07-09 |
| Context window | 200,000 tokens | 1,000,000 tokens | 128,000 tokens | 256,000 tokens |
| Parameters | — | — | 235B | — |
| Modality | text, vision | text, vision | text | text |
| License | proprietary | proprietary | Apache-2.0 | proprietary |
| Source | proprietary | proprietary | open weights | proprietary |
| Description | Reasoning-focused model in the o-series. | — | Predecessor to the Qwen3.6 family. | — |
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