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	DeepSeek-V3.1 DeepSeek	Llama 4 Maverick Meta	DeepSeek-V4-Flash DeepSeek	o3 OpenAI
Vendor	DeepSeek	Meta	DeepSeek	OpenAI
Family	DeepSeek	Llama	DeepSeek	o-series
Release date	2025-08-21	2025-04-05	2026-04-22	2025-04-16
Context window	128,000 tokens	1,000,000 tokens	1,000,000 tokens	200,000 tokens
Parameters	671B	400B	284B (13B active)	—
Modality	text	text, vision	text	text, vision
License	MIT	Llama 4 Community License	MIT	proprietary
Source	open weights	open weights	open weights	proprietary
Description	Large MoE open-weight model. Predecessor to DeepSeek-V4.	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.	Reasoning-focused model in the o-series.
Links	weights →	weights →	weights →