Compare models

Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.

Selected

DeepSeek-V4-Pro×

GPT-5.5×

Llama 4 Maverick×

GPT-5×Clear all

	DeepSeek-V4-Pro DeepSeek	GPT-5.5 OpenAI	Llama 4 Maverick Meta	GPT-5 OpenAI
Vendor	DeepSeek	OpenAI	Meta	OpenAI
Family	DeepSeek	GPT	Llama	GPT
Release date	2026-04-22	2026-04-23	2025-04-05	2025-08-07
Context window	1,000,000 tokens	400,000 tokens	1,000,000 tokens	400,000 tokens
Parameters	1.6T (49B active)	—	400B	—
Modality	text	text, vision, audio	text, vision	text, vision, audio
License	MIT	proprietary	Llama 4 Community License	proprietary
Source	open weights	proprietary	open weights	proprietary
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.	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.	Mixture-of-experts open-weight model from Meta.	OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.
Links	weights →	vendor →	weights →	vendor →