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	GPT-5.5 OpenAI	DeepSeek-V3.1 DeepSeek	Llama 4 Maverick Meta	Qwen3 235B Alibaba
Vendor	OpenAI	DeepSeek	Meta	Alibaba
Family	GPT	DeepSeek	Llama	Qwen
Release date	2026-04-23	2025-08-21	2025-04-05	2025-04-29
Context window	400,000 tokens	128,000 tokens	1,000,000 tokens	128,000 tokens
Parameters	—	671B	400B	235B
Modality	text, vision, audio	text	text, vision	text
License	proprietary	MIT	Llama 4 Community License	Apache-2.0
Source	proprietary	open weights	open weights	open weights
Description	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.	Large MoE open-weight model. Predecessor to DeepSeek-V4.	Mixture-of-experts open-weight model from Meta.	Predecessor to the Qwen3.6 family.
Links	vendor →	weights →	weights →	weights →