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 DeepSeek-R1DeepSeek |  Qwen3 235BAlibaba |  Gemini 3 Pro |  GPT-5.5OpenAI | |
|---|---|---|---|---|
| Vendor | DeepSeek | Alibaba | OpenAI | |
| Family | DeepSeek | Qwen | Gemini | GPT |
| Release date | 2025-01-20 | 2025-04-29 | 2026-04-22 | 2026-04-23 |
| Context window | 128,000 tokens | 128,000 tokens | 2,000,000 tokens | 400,000 tokens |
| Parameters | 671B | 235B | — | — |
| Modality | text | text | text, vision, audio, video | text, vision, audio |
| License | MIT | Apache-2.0 | proprietary | proprietary |
| Source | open weights | open weights | proprietary | proprietary |
| Description | Reasoning-focused open-weight model. | Predecessor to the Qwen3.6 family. | Google DeepMind's flagship multimodal model. Best-in-class for multimodal understanding and agentic / vibe coding workflows. A "Deep Think" reasoning mode is available to AI Ultra subscribers. | 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. |
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