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 GPT-5.5OpenAI |  Gemini 2.5 Flash |  Llama 4 MaverickMeta | GPT-5 OpenAI | |
|---|---|---|---|---|
| Vendor | OpenAI | Meta | OpenAI | |
| Family | GPT | Gemini | Llama | GPT |
| Release date | 2026-04-23 | — | 2025-04-05 | 2025-08-07 |
| Context window | 400,000 tokens | 1,000,000 tokens | 1,000,000 tokens | 400,000 tokens |
| Parameters | — | — | 400B | — |
| Modality | text, vision, audio | text, vision, audio | text, vision | text, vision, audio |
| License | proprietary | proprietary | Llama 4 Community License | proprietary |
| Source | proprietary | proprietary | open weights | proprietary |
| 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. | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. |
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Gemini 2.5 Flash✓
Claude 4.6 SonnetmaxGPT-5.5✓
DeepSeek-V4-Flashmax
Qwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-PromaxClaude 4.7 OpusmaxClaude 4.5 HaikumaxDeepSeek-V3.1maxGPT-5✓
Grok 4maxQwen3 235Bmaxo3maxGPT-4.1maxLlama 4 ScoutmaxLlama 4 Maverick✓Gemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.