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 GPT-5.5OpenAI |  DeepSeek-V4-FlashDeepSeek | GPT-4.1 OpenAI |  Llama 4 MaverickMeta | |
|---|---|---|---|---|
| Vendor | OpenAI | DeepSeek | OpenAI | Meta |
| Family | GPT | DeepSeek | GPT | Llama |
| Release date | 2026-04-23 | 2026-04-22 | 2025-04-14 | 2025-04-05 |
| Context window | 400,000 tokens | 1,000,000 tokens | 1,000,000 tokens | 1,000,000 tokens |
| Parameters | — | 284B (13B active) | — | 400B |
| Modality | text, vision, audio | text | text, vision | text, vision |
| License | proprietary | MIT | proprietary | Llama 4 Community License |
| Source | proprietary | open weights | proprietary | 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. | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. | — | Mixture-of-experts open-weight model from Meta. |
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Gemini 2.5 Flashmax
Claude 4.6 SonnetmaxGPT-5.5✓DeepSeek-V4-Flash✓
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Grok 4maxQwen3 235Bmaxo3maxGPT-4.1✓Llama 4 ScoutmaxLlama 4 Maverick✓Gemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.