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 GPT-5.5OpenAI |  Llama 4 ScoutMeta |  Mistral Large 2Mistral | Llama 4 Maverick Meta | |
|---|---|---|---|---|
| Vendor | OpenAI | Meta | Mistral | Meta |
| Family | GPT | Llama | Mistral | Llama |
| Release date | 2026-04-23 | 2025-04-05 | 2024-07-24 | 2025-04-05 |
| Context window | 400,000 tokens | 10,000,000 tokens | 128,000 tokens | 1,000,000 tokens |
| Parameters | — | 109B | 123B | 400B |
| Modality | text, vision, audio | text, vision | text | text, vision |
| License | proprietary | Llama 4 Community License | Mistral Research License | 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. | — | — | Mixture-of-experts open-weight model from Meta. |
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Grok 4maxQwen3 235Bmaxo3maxGPT-4.1maxLlama 4 Scout✓Llama 4 Maverick✓Gemini 2.5 PromaxDeepSeek-R1maxMistral Large 2✓Max 4 models. Remove one to add another.