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 Gemini 2.5 Pro |  Llama 4 ScoutMeta |  o3OpenAI | GPT-5.5 OpenAI | |
|---|---|---|---|---|
| Vendor | Meta | OpenAI | OpenAI | |
| Family | Gemini | Llama | o-series | GPT |
| Release date | 2025-03-25 | 2025-04-05 | 2025-04-16 | 2026-04-23 |
| Context window | 2,000,000 tokens | 10,000,000 tokens | 200,000 tokens | 400,000 tokens |
| Parameters | — | 109B | — | — |
| Modality | text, vision, audio, video | text, vision | text, vision | text, vision, audio |
| License | proprietary | Llama 4 Community License | proprietary | proprietary |
| Source | proprietary | open weights | proprietary | proprietary |
| Description | Predecessor to Gemini 3 Pro. | — | Reasoning-focused model in the o-series. | 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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Mistral Large 2maxMax 4 models. Remove one to add another.