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	DeepSeek-R1 DeepSeek	Llama 4 Maverick Meta	GPT-5 OpenAI	DeepSeek-V4-Pro DeepSeek
Vendor	DeepSeek	Meta	OpenAI	DeepSeek
Family	DeepSeek	Llama	GPT	DeepSeek
Release date	2025-01-20	2025-04-05	2025-08-07	2026-04-22
Context window	128,000 tokens	1,000,000 tokens	400,000 tokens	1,000,000 tokens
Parameters	671B	400B	—	1.6T (49B active)
Modality	text	text, vision	text, vision, audio	text
License	MIT	Llama 4 Community License	proprietary	MIT
Source	open weights	open weights	proprietary	open weights
Description	Reasoning-focused open-weight model.	Mixture-of-experts open-weight model from Meta.	OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.	DeepSeek's flagship open-weight MoE. 1.6T parameters with 49B activated, 1M-token context, and a hybrid attention scheme (CSA + HCA) that delivers long-context inference at ~27% of V3.2's FLOPs.
Links	weights →	weights →	vendor →	weights →