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	DeepSeek-V3.1 DeepSeek	DeepSeek-R1 DeepSeek	Llama 4 Maverick Meta	GPT-5 OpenAI
Vendor	DeepSeek	DeepSeek	Meta	OpenAI
Family	DeepSeek	DeepSeek	Llama	GPT
Release date	2025-08-21	2025-01-20	2025-04-05	2025-08-07
Context window	128,000 tokens	128,000 tokens	1,000,000 tokens	400,000 tokens
Parameters	671B	671B	400B	—
Modality	text	text	text, vision	text, vision, audio
License	MIT	MIT	Llama 4 Community License	proprietary
Source	open weights	open weights	open weights	proprietary
Description	Large MoE open-weight model. Predecessor to DeepSeek-V4.	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 Superseded by GPT-5.5 in April 2026.
Links	weights →	weights →	weights →	vendor →