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	DeepSeek-V4-Pro DeepSeek	GPT-4.1 OpenAI	Llama 4 Maverick Meta	DeepSeek-V4-Flash DeepSeek
Vendor	DeepSeek	OpenAI	Meta	DeepSeek
Family	DeepSeek	GPT	Llama	DeepSeek
Release date	2026-04-22	2025-04-14	2025-04-05	2026-04-22
Context window	1,000,000 tokens	1,000,000 tokens	1,000,000 tokens	1,000,000 tokens
Parameters	1.6T (49B active)	—	400B	284B (13B active)
Modality	text	text, vision	text, vision	text
License	MIT	proprietary	Llama 4 Community License	MIT
Source	open weights	proprietary	open weights	open weights
Description	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.	—	Mixture-of-experts open-weight model from Meta.	Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE.
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