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Alibaba | OpenAI | Anthropic | OpenAI | |
|---|---|---|---|---|
| Vendor | Alibaba | OpenAI | Anthropic | OpenAI |
| Family | Qwen | o-series | Claude | GPT |
| Release date | 2025-04-29 | 2025-04-16 | — | 2025-08-07 |
| Context window | 128,000 tokens | 200,000 tokens | 200,000 tokens | 400,000 tokens |
| Parameters | 235B | — | — | — |
| Modality | text | text, vision | text, vision | text, vision, audio |
| License | Apache-2.0 | proprietary | proprietary | proprietary |
| Source | open weights | proprietary | proprietary | proprietary |
| Description | Predecessor to the Qwen3.6 family. | Reasoning-focused model in the o-series. | — | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. |
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