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	Llama 4 Maverick Meta	Mistral Large 2 Mistral	DeepSeek-R1 DeepSeek	GPT-5.5 OpenAI
Vendor	Meta	Mistral	DeepSeek	OpenAI
Family	Llama	Mistral	DeepSeek	GPT
Release date	2025-04-05	2024-07-24	2025-01-20	2026-04-23
Context window	1,000,000 tokens	128,000 tokens	128,000 tokens	400,000 tokens
Parameters	400B	123B	671B	—
Modality	text, vision	text	text	text, vision, audio
License	Llama 4 Community License	Mistral Research License	MIT	proprietary
Source	open weights	open weights	open weights	proprietary
Description	Mixture-of-experts open-weight model from Meta.	—	Reasoning-focused open-weight model.	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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