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OpenAI | DeepSeek | Alibaba | Meta | |
|---|---|---|---|---|
| Vendor | OpenAI | DeepSeek | Alibaba | Meta |
| Family | GPT | DeepSeek | Qwen | Llama |
| Release date | 2026-04-23 | 2025-01-20 | 2025-04-29 | 2025-04-05 |
| Context window | 400,000 tokens | 128,000 tokens | 128,000 tokens | 10,000,000 tokens |
| Parameters | — | 671B | 235B | 109B |
| Modality | text, vision, audio | text | text | text, vision |
| License | proprietary | MIT | Apache-2.0 | Llama 4 Community License |
| Source | proprietary | open weights | open weights | open weights |
| Description | OpenAI's smartest and most intuitive model — successor to GPT-5, with major coding, research, and document workflow gains. GPT-5.5 Pro variant also available for heavier reasoning. | Reasoning-focused open-weight model. | Predecessor to the Qwen3.6 family. | — |
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