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 GPT-5.5OpenAI |  Gemini 2.5 Pro |  Qwen3 235BAlibaba |  DeepSeek-R1DeepSeek | |
|---|---|---|---|---|
| Vendor | OpenAI | Alibaba | DeepSeek | |
| Family | GPT | Gemini | Qwen | DeepSeek |
| Release date | 2026-04-23 | 2025-03-25 | 2025-04-29 | 2025-01-20 |
| Context window | 400,000 tokens | 2,000,000 tokens | 128,000 tokens | 128,000 tokens |
| Parameters | — | — | 235B | 671B |
| Modality | text, vision, audio | text, vision, audio, video | text | text |
| License | proprietary | proprietary | Apache-2.0 | MIT |
| Source | proprietary | proprietary | 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. | Predecessor to Gemini 3 Pro. | Predecessor to the Qwen3.6 family. | Reasoning-focused open-weight model. |
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Gemini 2.5 Flashmax
Claude 4.6 SonnetmaxGPT-5.5✓DeepSeek-V4-FlashmaxQwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-PromaxClaude 4.7 OpusmaxClaude 4.5 HaikumaxDeepSeek-V3.1maxGPT-5max
Grok 4maxQwen3 235B✓o3maxGPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 Pro✓DeepSeek-R1✓
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